Chapter 3 deals with general math topics including significant digits and scientific notation. Chemical Quantities, the mole HOMEWORK set w/ ANSWERS, Multiple Choice Chemistry Practice Problems. Unit 5 essential understandings and guiding questions: Regardless of how matter interacts with other matter or how atoms are rearranged into molecules in a chemical reaction, mass is always conserved. Problem solving in chemistry. Calculate the mass of oxygen that is required to burn 15. 0% oxygen? Quantities And Containers. In the equation above there are no numbers in front of the terms, For example, calcium has an atomic mass of 40 atomic mass units. The steps for performing a unit analysis are as follows: 1. 2 graham crackers, 1 lg marshmallow, 2 sect. Note that wavelength should be expressed in nanometers or Ångstroms. 3 Represent constraints by equations or inequalities, and by systems of equations and/or inequalities, and interpret solutions as viable or non-viable options in a modeling context. 3. Text Features Helpsheet The Mathematics of Chemical Equations (Stoichiometry) A major task of the chemist is to project how much product can be produced from a certain amount of reactant. mole 92 Guided Reading and Study Workbook. 565,900 seconds into days . Chemistry 12 Unit 1-Reaction Kinetics Worksheet 1-1 Measuring Reaction Rates Page 2 b) If the rate of consumption of magnesium is 5. Types of chemical reactions3. 5 g of magnesium nitrate, Mg(NO 3) 2? b) How many atoms are there in 8. Atoms and molecules react on an individual particle-by-particle basis, and we have to count individual particles when doing chemical calculations. 6 Worksheet Unit 6 Exam. pdf : Unit 14 Stoichiometry U14 HW KEYS. 1. 5 (a) Calculation of quantities required for a chemical reaction. pdf : UNIT 10: Naming Organic Compounds U10 HW KEYS. You find evidence of a pre-crash explosion. Shelita Lawson, Program Specialist 2 Rainier 119 425-388-9068. Calculate the following: a) How many moles are present in 8. 1 SI Base Quantities and Units* UNITS AND MEASUREMENT 17 * The values mentioned here need not be remembered or asked in a test. 912. Measuring Matter (pages 287–289) 1. 600 2. Do Mr. Chemical Quantities - Notes Dimensional Analysis Problem solving technique 2 nd Given = What the Unit the problem is to be solved in. Conversion Factors and Dimensional Analysis. e. When lead (II) sulfide is burned in air, lead (II) oxide and sulfur dioxide are produced. The average mass of all of the isotopes of an element in their relative proportions. Cowboy Chemistry: Table of Contents Honors Unit 13 Chemical Kinetics (Reaction rates and equilibrium) Stoichiometry unit 8 Unit 7 Chemical Quantities or This is a list of physical quantities. a. 0 lb = kg (use 2. 4 Chemical Chapter 1 Worksheet: Units & Measurement Height Diameter Height Errors in Measurement: An engineer performs a series of measurements to determine the volume of a cylinder. Although this works, most of the reactions occurring around us involve much larger amounts of chemicals. Standards in this Unit: MAFS. 29. You will be contacted if your business meets the permit criteria. 4. and a brief mention of % yield and atom economy (a) In a chemical preparation reaction involving two reactants, it is common to use an excess of one of the reactants to ensure that all of the other reactant is used but this still requires you to be able to calculate the quantities of chemicals needed. Get Started Unit (dimensional) analysis. 2. View Homework Help - unit 9 worksheet edit from SCIENCE 2003350 at Apopka High. You will find that the stepwise thought process associated with the procedure called unit analysis 1 not only guides you in figuring out how to set up unit conversion problems but also gives you confidence that your answers are correct. Homework sets, a worksheet and sample test questions to support the learning of chemical quantities, the mole, conversions between mass, volume and mole, percent composition and empirical formula. 022 × 10 23 things, whether the things are atoms of elements or molecules of compounds. A balanced equation shows, in terms of moles in the practical sense, how much of each substance is involved in the reaction. 3 days seconds 3 x 105s 3. Complete the table about  Unit: Chemical Quantities Determining the Empirical Formula from Percent 1. 0 grams of water? 2) How many grams are in 3. . 261 g kg 0. In a unit analysis problem, we place measurements into fraction form, build a product of fractions, and eliminate unwanted units. pdf : Balancing REDOX Write the word equations below as chemical equations and balance: 1) Zinc and lead (II) nitrate react to form zinc nitrate and lead. produces a hydrogen ion when dissolved in water ____ 7. 0 x 10-9 mol/s, find the rate of production of H2 in g/s. It’s used when the chemical equation is hard to inspect. When students get big chemical equations in a balancing equation worksheet, they often find it to be very difficult. 19 Lesson 3. Calculate the number of moles for the following quantities: a. Predicting  21 Jul 2016 explanation of quantities, molar mass, conversion between moles and Although the mass number is unitless, it is assigned units called  4-1 Workbook Quiz: Measuring Matter 4-2 Lesson Questions #1-10 (pg. • 90 Questions in all • Questions are editable • ANSWERS are included for every problem. 0 cm = in 4) 2. 165 pounds into kilograms . Atoms, elements, and molecules combine together in whole number ratios relative to each other. The trick to balancing chemical equations is to use the rules below. So far, we have talked about chemical reactions in terms of individual atoms and molecules. This is one of many videos provided by Clutch Prep to prepare you to succeed in your college classes. 33. By the end of this unit, students should be able to Apply a specific problem solving method to successfully answer any stoichiometry problem. In any given formula the ratio of … Unit 2 Assignments: Worksheet 2 identify the SI base units and correct abbreviations for the physical quantities Types of Chemical Equations Chapter 11 Chemical Reactions Assessment Answers, Chapter 8 Section 1 Chemical Equations And Reactions, Chemistry Download chapter 11 chemical reactions packet answers ebooks PDF file for free, Get many PDF. . Review the examples from our earlier notes. We recognize equilib-rium in a chemical reaction system, oddly enough, by noticing nothing—we see no change in any property of the system. Introduction The first week of December 1952 was unusually cold in London, so residents burned large quantities of coal in their fireplaces to keep warm. 2 Analyze chemical reactions in terms of quantities, product formation, and energy. 32. UNIT 1 Matter, Chemical Trends, and Chemical Bonding. a. Melting candle wax Physical b. 615 3 1. Worksheet: Writing and Balancing Chemical Reactions 1. This resource is meant to be used by teachers in the US. Molar Ratio Term Definition Propane, C 3H 8(g), is a gas that is commonly used in barbecues. Chapter 9 Chemical Quantities - SchoolWorld an Edline Solution Chapter 9 Chemical Quantities 9. 9,474 mm cm 947. The magic of chemistry happens in this unit! We will learn all about moles, a measure of chemical quantity. A review of worksheets, not data tables. pair d. Pre- and Post-Lesson Vocab/Questions/Review Unit 4 Terms and Test Prep Questions. Fall Schedule Sept 23 - Dec 12. CHEMICAL QUANTITIES SECTION 10. 22 0. 0 ml volume of helium was collected,general chemistry unit 9 worksheet 1 answer key,a mixture of he and o2 gases is used by deep Unit 1 ( CHEMICAL QUANTITIES. Get Started Article of the Week A hard copy of the document can be obtained by printing the document at this link Some pollutants made mice less friendly. 4 Derived quantities, dimension, and dimensionless quantities 12 2. 783g of Carbon, 0. 00 mm = cm 3) 10. 0 miles/h to km/h. After reviewing these calculations we looked at the chemical equation which  Part of Chemistry Workbook For Dummies Cheat Sheet Converting from particles (atoms, molecules, or formula units) to moles: Divide your particle value by  “Download for free at https://openstax. Mole –> Mass Conversions – using molar mass of each substance, convert the following quantities. 0 x 10-9 mol/s, find the rate of consumption of HCl in moles/s. 27. It is important to use chemicals properly to minimize the risks to human health and the Unit 1 Chemical Quantities About Contact Diagnostic Test: Chemical Nomenclature and Formula Writing Online Practice 1 Online Practice 2 Online Practice 3 Block Counting How big is a mole? Mole-Particle Quiz Mole-Particle Quiz 2 Mineral Density Molar Mass Exercise 1 Molar Mass Exercise 2 Properties of Gases Formative: Molar Conversion chapter 10 vocabulary and unit preview chapter 10 section 1 lecture notes chapter 10 section 1 lecture notes powerpoint mole worksheet 1: how to and practice mole worksheet 2 mole worksheet 3 mole worksheet 4 percent composition and empirical vs. Unit 1a: Matter, Chemical Trends, and Chemical Bonding; Unit 1b: Nomenclature; Unit 2: Chemical Reactions; Unit 3: Quantities in Chemical Reactions; Unit 4: Solutions and Solubility; Unit 5: Gases and Atmospheric Chemistry; Nelson Chemistry 11 Textbook The best source for free balancing equations worksheets. g. Choose your answers to the questions and click 'Next' to see the next set of questions. Safety Quiz 3. If, however, it is something exceedingly small like an atom or ion, how do you count it? Chapter 10 - Chemical Quantities 1. Worksheets are Balancing chemical equations, Chemical reactions name, Balancing equations work and key 7 23 09, Two step equations date period, Balance the reactions a to e and indicate which types of, 20151214 121355, Unit 1 chemistry chemical reactions text chapter Mole Conversions Worksheet #1 1. Writing measures with numeral, unit, identity of chemical. However, it will continue to accept certain units as listed here (e. and (b) respectively. Writing conversion factors. 23 number of atoms in a formula worksheet answers number of atoms in a formula by mramazing tes resources a question sheet with accompanying powerpoint of answers that asks how many atoms are represented in a formula counting atoms like this is a necessary students will need to be able to count the number of atoms in a “Molar mass” is used to describe the mass of one mole of a chemical compound, while “atomic mass” is used to describe the mass of one mole of an element or the mass of one atom of an element. It is a part of the National Quality Infrastructure System (NQIS) of Greece. Chapter 10 introduces the idea of the mole and the use of equivalences to the mole as conversion factors. Chemical Review summary note - you are going to create a summary sheet that outlines all the different types of reactions we have talked about and include their general formula, what the giveaway is that you have that type of reaction and any requirements for that type of Given a unit of measurement, students will be able to convert it to other units of measurement and will be able to use it to solve contextual problems. Avagadro's constant problems worksheet Quantities notes: Start reviewing for unit test Unit 1a: Matter, Chemical Trends, and Chemical Bonding; Unit 1b: Nomenclature; Unit 2: Chemical Reactions; Unit 3: Quantities in Chemical Reactions; Unit 4: Solutions and Solubility; Unit 5: Gases and Atmospheric Chemistry; Nelson Chemistry 11 Textbook Chm. Doing one or more moles lab activities in each unit you teach will give students plenty of practice and time to become proficient with all of the basic conversions and calculations. 6H6 CH. In physics, there are seven fundamental physical quantities that are measured in base or physical fundamental units: length, mass, time, electric current temperature, amount of substance, and luminous intensity. The metric system is a great place to start learning about converting between units because all of the conversions are based around multiples of ten. Scientific Notation/Significant Digit Package Molar Mass Worksheet 2 Percent Composition WS Having completed the prior unit on atomic structure and the naming of elements and compounds, the students are now ready to start looking at how atoms and molecules can rearrange themselves during chemical reactions. Table 2. 6 Oct 2002 A chemical equation is an expression of a chemical process. These whole number ratios are determined using physically measurable quantities, and these measurable Unit 3: Quantities in Chemical Reactions. • Chemists use balanced chemical equations as a basis to calculate how much reactant is needed or product is formed in a reaction. They should perform better in modern browsers and adapt better to mobile devices. 5. 20 x 10 molecules of methane? is that portion of chemistry dealing with numerical relationships in chemical reactions; the calculations of quantities of substances involved in chemical equations. 5% carbon, 5. The relationship between masses of substances and moles of substances. Using formulas to indicate how many atoms of each element we have in a substance, we can relate the number of moles of molecules to the number of moles of atoms. 3 Mass changes when gases are in reactions 3. This form is also used when completing the application for the HMS permit. Determine the mass in grams of each of the following quantities. Unit 6 – Representing Chemical Change - Objectives 1. The purpose of the homework assignment is to provide students with a final chance to categorize a variety of chemical reactions, then balance them and predict some products. They are given here only to indicate the Unit Conversion Worksheet . 20 lb = 1 kg) Physial vs. Metric SI Unit Conversions. 2) Aluminum bromide and chlorine gas react to form aluminum chloride and bromine gas. In a typical stoichiometric problem, the given quantity (starting quantity) is first converted to moles. Be able to identify chemical and physical changes. Get Started Calculations, Quantities, Dilutions and Concentrations Click Here for Glossary Index! Educational Objectives . 619 5 1. Empirical Formula . In chemistry, it would be nice if you only had to convert between metric units, but there are many common units in other systems. - using units to analyse unit conversion or whether the right kind of procedure is used for calculations. 2) You will listen to the NPR Radio Clip on the discovery of small amounts of liquid water on Mars. ounce c. Worksheet 6: COMPOSITION OF HYDRATES A hydrate is an ionic compound with water molecules loosely bonded to its crystal structure. 0% oxygen? If the molar mass is 110 grams/mole, what’s the . The focus of this chapter is primarily on the basic mechanics of writing out and predicting the results of chemical reactions. 5 Physical equations, dimensional homogeneity, and physical constants 15 2. Up to this point in the unit, they have been focusing on properties of matter. Ångstrom, calorie, minute) even though they are not part of the SI. Balancing chemical equations2. The type of chemical bond in a compound determines the physical and chemical properties of that compound. Some of the worksheets for this concept are Vocabulary containers, Basic food containers week 16 2 of 4, Containers and amounts, Unit 5 food, English for daily life unit 3 shopping south eastman, Ccoonn nttainners anndd, Measurement quantities numbers and units, Quantifiers. 02 X 10^23 representative particles of a substance: Avogadro's number: 6. I made this set so that teachers could teach one skill at a time and provide their students individualized practice with skills they have trouble with. If you believe that any of background/wallpapers posted here belongs to your site and you do not want it to be displayed on our site or you want us to link back to your site, then please contact us and we will take action immediately. 196g of Hydrogen and 0. 1) 0. Ace your school projects with these 12 featured Prezi presentations and templates 2. Circle the letter of the term that is an SI unit for measuring the amount of a substance. Empirical and Molecular Formula Worksheet ANSWER KEY. This method can be applied to computations ranging from simple unit conversions to more complex, multi-step calculations involving several different quantities. Chemical Equations Model J Unit 3 Lesson 2. See also JBC’s list of general biological and chemical abbreviations. The answers are included. The first table lists the base quantities used in the International System of Units to define the physical dimension of physical quantities for dimensional analysis. Crystal Yau in the chemistry department at Community College of Baltimore County, has a worksheet that you can download called Practice problems on Unit Conversions (Acrobat (PDF) 110kB Oct9 07). Students who learn "dimensional analysis," (or unit analysis CHEMICAL INVENTORY WORKSHEET To prepare a chemical inventory based on the Hayward Fire Code, you are required to report the quantities of chemicals found in the facility, separated by Hazard Category, and by location. What’s the empirical formula of a molecule containing 65. 890 moles of sulfur dioxide were produced, how many moles of oxygen gas were required to react with the lead (II) sulfide? ___ PbS + ___ O2 ___ PbO + ___ SO2 2. The sum of all of the relative atomic masses of the atoms present in a chemical formula. Although we define mass as the “amount of matter in a substance,” the units in which we measure mass are a human invention. Although eggs are used individually when cooking small quantities, they are sold by the dozen, or by the gross (144, a dozen dozens), depending on the quantity wanted. 3 x 1022 molecules of H 3 PO 4? 5) How many molecules are in 48. 21 0. 3. The easiest conclusion to draw Putting children and families first to ensure high academic achievement for all Use this interactive quiz or printable worksheet to assess your skill at converting numbers using dimensional analysis. Quantifying Chemical Reactions Unit Overview Chemists use numbers and symbols in the form of chemical formulas to represent chemical reactions. Example 1: Convert 65. 1. 5% hydrogen, and 29. 2-'Bailing Beakers' Video demo: NO2 - N2O4 equilibrium tubes-Watch Temperature Equilibrium video (below) for about 5 min + make observations in boxes #1, #3, #5 Chem1 Chemical equations and calculations covers Basic chemical arithmetic and stoichiometry for a course in General Chemistry. (1 mile Unit Conversions Worksheet Complete each of the following conversions to the proper number of significant figures; clearly show your set-up with units in the set-up and the answer. While these activities could be done together in one discrete unit, it will prove more effective to students’ the mole is not a true metric (i. For example, the formula Na 2S•9H 2O indicates that there are nine water molecules for every one formula unit of Na 2S. Chemists use the mole unit to represent 6. 02 x 1023 items Chemical reactions relate quantities of reactants and products. 4 Analyze the stoichiometric relationships inherent in a chemical reaction. The four quantities involved in stoichiometric calculations are: • particles - the relative amounts of atoms, ions, unit formulas or molecules in various reactants or products • moles - the relative number of moles of reactants or products After everyone has written the notes and seen the last demo I hand the Types of Chemical Reaction Worksheet. Convert the following quantities. 8 Recapitulation 27 3. We learn ways of representing molecules and how molecules react. 25: Lesson: Scientific Calculations (*lesson notes- pdf) *Handout to go with lesson *VIDEO: Significant Digits *Helpful Websites: Units, Scientific Notation and Significant Figures; Significant Figures- Extra Practice front of the compound or element in a chemical equation. Physical 4. Your job is to complete the worksheet "Water on Mars: Evidence and New Questions". Conversions between different units of chemical quantities are a very . 2 Physical quantities and base quantities 5 2. Chemistry Quantities Unit Test Study Notes. 2 Chemical Calculations In chemical calculations, mole ratios are used to convert between moles of reactant and moles of product, or between moles of products. A physical property is a quality or condition of a substance that can be observed or measured without changing the substance’s chemical composition. 30 moles of B are found. March 2-11 Lesson 4. Early on December 5, moisture in the air began condensing into fog near the ground. Indicate whether the following are physical or chemical changes. At the site of the explosion a material has been found. Blog. empirical formula. another unit of mass often used is Dalton (Da) or unified atomic mass unit (u)  After today, you will be able to… Calculate the volume of a gas at STP given the number of moles and vice versa Perform two step volume conversions (Ex:  1 mol of an atom, molecule or formula unit contains 6. 7 moles of Na 2 O? 3) How many atoms are in 14 moles of cadmium? 4) How many moles are in 4. 008 x 1023 molecules of Carbon Dioxide. 155 mole of sulfur. To download free chemistry unit 1 worksheet 3 mass, volume, and density you need to register. 0 grams • Units must match between steps; convert units from input to output within a step – For continuous process: maintain proportions, absolute values of materials and time can be arbitrarily small as needed AP Chemistry Interactive Review Activities. Balance the following equations and indicate the type of reaction as formation, decomposition, single the SI unit representing 6. 2 Create equations in two or more variables to represent relationships between quantities; graph equations on -CED. Predictable quantitative relationships exist between reactants and products in chemical reactions. Print our Ninth Grade (Grade 9) worksheets and activities, or administer them as online tests. Step 2: Balance Equation, List Given Values and Molar Masses. 3 Analyze the Law of Conservation of Matter and how it applies to various types of chemical equations This worksheet asks students to do basic conversions of mass or molecules to moles and vice versa. The water is in a specific ratio to each formula unit of the salt. 2 ACIDS, BASES AND SALTS (j) titration as a method to prepare solutions of soluble salts and to determine relative and actual concentrations of solutions of acids/alkalis CHEMICAL INVENTORY SUMMARY FOR THE ENTIRE FACILITY Project Name1: Project Address2: Hazard (Category Used Hazard Class Solids (Pounds) Liquids Gallons) Gases Cubic Feet @ STP) Stored3 Open3 Used Closed3 Stored 3 Open3 Closed3 Stored 3 Used Closed3 Explosives, Blasting Agents and Detonators High Expl Low Expl Blasting Agents Unit Analysis Revised @2009 MLC Page 1 of 4 UNIT ANALYSIS HANDOUT Unit analysis is a method used to convert from one unit of measure to another. Date Topic/Lesson Homework: Wed, Oct. Please let me know if you find any broken links! Chapter 1 (Matter, Measurement, and Problem Solving) 26. of a molecule containing 18. The last unit (mole) is constantly used in chemistry and explained on the stoichiometry page. 30. Just like all objects are addressed by some name, physical quantities are known by the units of measurement. Selected Answers to Mole Conversions Worksheet. 5 g of Mg(NO 3) 2? 21c) How many moles are there in 4. The subscript numbers within a formula tell us how many atoms of the element before the subscript appear in the equation eg CaCl2. explain, and predict simple chemical reactions • describe the processes of science and the nature of scientific knowledge • describe the differences between and interdependence of science and technology • employ decision-making processes on science–technology–society issues NEL Chemistry Review 3 Review Unit 14. Tools, Measurement and SI Units Worksheets: Different parts of the World use different units of measurement. Chemistry 12 Unit 2 - Chemical Equilibrium Worksheet 2-3 - Calculations Involving the Equilibrium Constant Page 2 3. 115 g nickel. Science Daily: Chemistry News Packet p. pdf: File Size: 7491 kb: File Type: pdf We are now going to delve into the heart of chemistry. Equivalent Units mksq System 5 IV. A-CED. For the reaction: A2(g) + B(g) 2C(g) it is found that by adding 1. Write the empirical formula for the following compounds. Practice Problems. EMPIRICAL AND MOLECULAR FORMULAE. 02 X 10^23 particles: standard temperature and pressure (00 C, 1 atm) the temperature and pressure at which one mole of gas occupies a volume of 22. Describe chemical changes in terms of rearranging atoms to form new substances. At the heart of chemistry are substances — elements or compounds— which have a definite composition which is expressed by a chemical formula. 0 g of propane. 66 x 1022 formula units of potassium iodide. 9 mol of Chlorine Gas? How many grams are there? Unit: Chemical Quantities Determining the Empirical Formula from Percent Composition Day 6 - Notes After today, you will be able to… SCH3U Grade 11 Chemistry Quantities and Stoichiometry Test Notes. Objectives: • be able to calculate empirical and molecular formulas . of chocolate. This Chemical Quantities Presentation is suitable for 9th - 12th Grade. The concept of the mole. Ebooks from our. 1 calcium 2 chlorine. 3 Unit and numerical value 10 2. It is part of the General Chemistry Virtual Textbook, a free, online reference textbook for General Chemistry by Stephen Lower of Simon Fraser University. The Strange Case of Mole Airlines Flight 1023 Name _____ Date _____ Scene of the Crash At 6:02 a. Analyse processes in the home, the workplace, or the environmental sector that use chemical quantities and calculations, and assess the importance of accuracy in chemical calculations E2. Both these are dimensionless quantities. - unit factors have 1 bigger unit along with equivalent smaller unit. the sum of the masses of all substances involv Mole Calculation Worksheet W 340 Everett Community College Tutoring Center Student Support Services Program 1) How many moles are in 40. To do this, we'll even think about "how many" of a molecule we have using a quantity called a "mole Chapter 9 Chemical Quantities 1. - Representative particle – species present in a substance o Include atoms, molecules, ion, formula units - Conversion Factor 1: 1 mole = 6. 2 Gc + 1Mm + 2 Ch ( 1 S’m. Chemical Quantities Or How I Learned to Love the Mole 3. 28. ) Which of the following shows a correct way to balance the chemical equation: A chemical property is the ability of a substance to undergo a specific chemical change. 6) C8H18 C 4 H 9 7) WO2 WO 2 8) C2H6O2 CH 3 O 9) X39Y13 X A chemical equations shows the reactants (left side) and the products (right side) involved in a chemical reaction. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. 4-2 Workbook Quiz 4-3 Lesson Questions  unit and a prefix of that unit such as a conversion from meters to millimeters. Chemical Quantities - Notes Dimensional Analysis – Problem solving technique which uses conversion factors. b. Unit 4 discusses measurement in science as well as measurements that are specific to Chemistry. Description of Units Mechanical, Electric, Magnetic 4 III. You are also to classify the chemicals as to storage and manner of use. Recognize that the total number of particles (sum of the coefficients) can change during a reaction because of differences in the bonding ratios of each substance. Day 33 (CR9): Mon. 022 x 1023 NaCl formula units. 1 The Mole: A. 08/29/2019: 1. This number, called Avogadro’s number , is important because this number of atoms or molecules has the same mass in grams as one atom or molecule has Unit 3: Quantities in chemical Reactions Go through each of the questions on the Mixed Bag worksheet and highlight/circle/underline words and phrases that quantities of reactants and products involved in chemical reactions. 35 g lithium. Dimensions of esu and emu Electric and Magnetic Quantities 5 V. The mass of a mole of a compound is equal to the total mass Debbie Newbury, Director Rainier 111 425-388-9356. Quantities in Chemical Reactions - Big Ideas Relationships in chemical reactions can be described qualitatively and quantitatively, and can be predicted. 17 years into minutes . We will see how stoichiometry can be used to predict yield in a chemical reaction while doing a lot of hands on chemical reactions in the unit! Chemical Quantity Conversions Conversions between different units of chemical quantities are a very important part of chemistry. Physical Properties, Elements, Compounds and Mixtures Name Period Worksheet 2 (Goals 1 – 6) 1. 1) What is the empirical formula of a compound that contains 0. The worksheets on this page all deal with unit conversions within the metric system. Classify a reaction as either: synthesis, decomposition, single replacement, double replacement or combustion, based on its chemical equation. Unit 6: Chemical Quantities. 8 Key View, Check your answers! Dec Bohr-Rutherfor Note Bohr-Rutherford Worksheet Read p 175-177 in textbook. Unit 3: Quantities in Chemical Reactions Worksheet Reviewed Friday's Class Finish any owing homework and start reviewing Q#1,2,4-16,18-21,23 pg 339 To get UNIT 9 Chemical Names & Formulas U9 HW Keys. doc homework out . An Overview of the General Procedure ____ 4. Stoichiometry is the study of the relationships of quantities of substances in a chemical reaction. Step 6 Have students work individually on solving word problems that involve units of measure. Calculate the representative particles for the following quantities: a. PHYSICAL QUANTITIES, UNITS and MEASUREMENTA. Tree common base 6) Empirical Formula Worksheet/Homework 1/9 What is the percent of Sulfur in H2SO4? What is the percent of Carbon is C12H22O11? How many mol are there in 12. The site also includes a predictive tool that suggests possible conversions based on input, allowing for easier navigation while learning more about various unit systems. Try: How many Gc, Mm, Ch do you need to make 15 S’m? CHAPTER 10: Chemical Quantities BASICS: • The basic unit that is used to determine the amount of a chemical substance is called a mole • A mole(mol) of a substance is equivalent to 6. Both have answers. compound composed of two different elements ____ 6. Stoichiometry – Chemical Quantities Notes Stoichiometry Stoichiometry – Study of quantitative relationships that can be derived from chemical formulas and chemical equations Mole ─ Mole Relationship need a balanced equation Mole Ratio – the ratio of moles of one substance to moles of another substance in a balanced chemical equation The coefficients in a balanced equation give the Unit 6: Chemical Quantities. Chemical Quantities (Moles) Practice Problems From Modern Chemistry, by Davis & Metcalfe (Holt, Rinehant and Winston) Chemical Formulas & Chemical Compounds Quiz (Chapter 7) From Chemistry, by Wilbraham, Staley, Matta & Waterman (Pearson Prentice Hall) Chemical Quantities Self-Assessment (Chapter 10) The amount of reactants must be equal to the amount of products. Recognize that the total number of atoms does not change during a reaction because every reactant atom must be included in a product molecule. Learn about and revise calculations in chemistry for Higher tier students with this Introducing the mole, the unit of measurement for the number of particles in a  Mole –a unit of measurement widely used in chemistry to measure an amount of a In order to convert the quantity of carbon monoxide from grams to amount of  One mole of NaCl contains 6. pdf : UNIT 11: Chemical Quantities - The MOLE U11 HW Packet Key. 4 cm 4. This unit deals with the ways that Chemists measure and compare amounts of substances - including the mole in its various permutations (molar amount, molar mass and molar volume). A chemical formula that expresses the exact ratio of Chapter 10 - Chemical Quantities 1. Dec. Worksheets Here are some useful worksheets that I have found around the web. Some physical quantities are more fundamental than others. For derived units, express your answers in terms of the six fundamental units. The Mole How do you measure matter? If it is something large like the number of beans in a bag, you just count them. If the subscript follows . In your own words, differentiate between the following terms: Chemical Change and a Physical Change Chemical Property and Physical Property 2. A chemical reaction is another name for a chemical change, which you read about in Chapter 3. 0 mol Cr 520 g f. measuring) unit, rather it is a parametric unit and amount of substance is a parametric base quantity; the SI defines numbers of entities as quantities of dimension one, and thus ignores the ontological distinction between entities and units of continuous quantities. Label answers with the appropriate unit of measure. For example, the of unit conversions, such as the one required above. Unit introduction Industry produces a vast range of substances from bulk chemicals such as sodium hydroxide (caustic soda) A giant set of Lewis structure and chemical bonding pages. Chapter 7 Chemical Quantities Section 7. Chemical reactions relate quantities of reactants and products. 3) Sodium phosphate and calcium chloride react to form calcium phosphate and sodium chloride. In any chemical compound, the masses of elements are always in the same proportion by mass. Unit 7: Chemical Equations Page 4 Write balanced chemical equations below by writing out the skeleton equation and changing the coefficients to make the number of each element equal on both sides of the equation. Displaying top 8 worksheets found for - Quantities And Containers. 30 m = mm 2) 5. 346 g zinc. Try the "Chemical Quantities" wordsearch with answers . 02 x 1023 particles of that substance • The mole was founded by a scientist named Avagadro, and he decided to use the What others are saying Physical and Chemical Properties of Matter (cut & paste) Activity Teacher Lingo is a community where teachers can buy and sell their original teaching resources including worksheets, lesson plans, handouts, printables, quizzes and flashcards. unit 8 Chemical Equilibrium Focusing on Acid–Base Systems Chemical Equilibrium Focusing on Acid–Base Systems Equilibrium describes any condition or situation of balance. Stoichiometry is the calculation of chemical quantities from balanced equations. 10. Chemistry 52 ANSWER KEY Chemistry 52 ANSWER KEY Name each aromatic compound shown below as a toluene derivative: a) c). DISCLAIMER: All background wallpapers found here are from Google. Worksheets labeled with are accessible to Help Teaching Pro subscribers only. learner. Time Frame 4 hours Standard Use Math to Solve Problems and Communicate NRS EFL 6 Components of Performance (COPs) Understand, interpret, and work with pictures, numbers, and symbolic information. Homework, practice problems and a multiple choice Exam practice to support the learning of a unit on Chemical Reactions. Unit 11 : Atmospheric Pollution -2- www. - should keep the original number of significant digits. produces a hydroxide ion when dissolved in water ____ 8. Worksheet Chemical quantities Determine the chemical quantities for the following, make sure your answers are in correct number of significant figures!!! 1. Adams clearly identified five advantages of the metric system: the "invariable" standard of length, the single unit for weight and single unit for volume, the Introducing Chemical Changes: Students have not yet been introduced to physical or chemical changes. This chemical reaction gives us the following equivalences: 2 mol H 2 ⇔ 1 mol O 2 ⇔ 2 mol H 2 O. NC Clarifying Objecties (CO): Chm. 06 x 1023 atoms of tungsten. 1) C. Handling and storage Chemical Reactions & Quantities Chapter Exam Instructions. Tutoring Center - Rainier 119 Monday - Thursday 8:00am - 6:50pm SCH3U Unit 3: Quantities in Chemical Reactions Review Sheet Important equations: 1. 75 g calcium carbide (CaC2) The Hellenic Institute of Metrology, EIM, is the National Metrology Institute of Greece and the official advisor of the Greek State in issues related to metrology and measurements. Lesson 4-1 and 4-2: watch the videos below then complete the Video Worksheet and the Molar Mass Conversions Worksheet (showing all work) to earn a "check minus" on the 4-2 Lesson Questions, the 4-1 Quiz and/or 4-2 Quiz if you did not demonstrate mastery (80% or better) on those assignments. 5 (2) = 3 WORKSHEET #5 What is the empirical formula for a compound that is  11 Nov 2016 Homework sets, a worksheet and sample test questions to support the learning of Chemical-Quantities-Unit-Homework-ANSWERS. Calculate the number of moles in each of the following samples. Explain why it is necessary to balance chemical equations. Displaying all worksheets related to - Chemical Equations Model J Unit 3 Lesson 2. Powered by Create your own unique website with customizable templates. Gain knowledge from study, practice techniques, and test yourself using these resources related to unit conversions used in chemistry. • A balanced chemical equation can be inter-preted in terms of different quantities, Powered by Create your own unique website with customizable templates. Complete Physical and Chemical Changes Worksheet Complete Bohr-Rutherford diagrams worksheet FOR MARKS Consider the chemical equation. Patterson » Chemistry Honors » Chemical Quantities & Stoichiometry Chemical Quantities & Stoichiometry Textbook reference: Chapters 10,12 & 16 unit 2: chemical bonding, application of chemical reactions and organic chemistry 2. A ratio of two equivalent quantities expressed with different measurement units can be used as a unit conversion factor. 6 Derived quantities of the second kind 19 2. A chemical property is the ability of a substance to undergo a specific chemical change. Update 9/1/2019: Some of the older activities have been updated to be HTML5 compliant. As an Quick, free, online unit converter that converts common units of measurement, along with 77 other converters covering an assortment of units. 31. By MsRazz ChemClass This is a custom bundle that includes the following BUNDLES:•Unit 1 - Introduction to Chemistry•Unit 3 - Atomic Structure•Unit 4 - Electron Configurations•Unit 8 - The Mole•Unit 11 - Thermochemistry•Unit 12 - States of Matter•Unit 13 - Gas Laws•Unit Dimensional Analysis: - commonly known as unit factor method. 2. In this unit you will learn how to write and interpret chemical formulas both in terms of moles and masses, and to go in the reverse direction, in which we use experimental information about the composition of a compound to work out a formula. 136) please show work for all calculations. Any two of these quantities can be used to construct a conversion factor that lets us relate the number of moles of one substance to an equivalent number of moles of another substance. Answer the questions below. Step 1: Write the Unbalanced Chemical Equation. Be able to use the concepts of net nuclear attraction (effective nuclear charge, Zeff) and shielding effect What SI units are used for measuring the following quantities? For derived units, express your answers in terms of the six fundamental units. 00 l container,chemistry unit 8 worksheet 1 gases again answers,a 90. dozen b. A chemical equation written so that the total number of atoms of each element is the same on both sides of the equation. For example, the chemical equation for the formation of aluminum oxide is: 4Al + 3O 2 → 2Al 2 O 3 From this equation we can see that there are 4 moles of aluminum, 3 moles of oxygen, and 2 moles of aluminum oxide. 4 L at STP: Avogadro Do Mr Guch's "Moles Worksheet" with answers . Unit #5 Review: Chemical Reactions 1. 628 4 1. Tutoring Center - Rainier 119 Monday - Thursday 8:00am - 6:50pm What others are saying Physical and Chemical Properties of Matter (cut & paste) Activity Teacher Lingo is a community where teachers can buy and sell their original teaching resources including worksheets, lesson plans, handouts, printables, quizzes and flashcards. 0. 1 Moles & Molar Mass (PowerPoint) 6. Decimal Multiples and Submultiples 4 II. Learners will investigate the quantities necessary in chemical reactions, the structure and Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. • A balanced chemical equation provides the same kind of quantitative information that a recipe does. 1 Using Chemical Equations Key Term In a chemical reaction, products stop forming when the limiting reactant runs out. pdf : UNIT 12: Empirical & Molecular Formulas U12 HW Packet KEY. 2 Follow-up with Quantitative Work in Chemistry ! 2!! An!example!of!a!theory!is!Atomic#theory,which!tellsusthatallofthe! different!types!of!matter!present!in!nature!are!explained!as!the!combination!of!small Powered by Create your own unique website with customizable templates. Dimensions and Units for Physical Quantities — mksq System 6,7 A Chemistry mole lesson plans and worksheets from thousands of teacher-reviewed resources to help you inspire students learning. Review the units of measurement for drugs and expressions of quantity and concentration for drugs in drug products. Get the answers right away Guided Notes Chapter 10: Chemical Quantities. Class 8 Study Material, Worksheets, NCERT Answers, Sample Question Papers Hindi, Science, Maths, Social Science, Computers, French, English Grammar Here you may find Study Notes, assignments, concept maps, worksheets, NCERT Solutions and lots of study material for easy learning and understanding. HAZARD CATEGORY4 SOLIDS (Express in pounds) LIQUIDS (Express in gallons) GASES (Express in cubic feet) Stored5 Used This unit aims to familiarise learners with the basic concepts of physical chemistry, such as enthalpy changes, rates of chemical reactions, equilibrium, and show how they are applied to industrial reactions. Even a tiny sample of a substance will contain millions, billions, or a hundred billion billions of atoms and molecules. Name Lilly Romine Class 3 Date 1. 5 moles of C to a 1. 6. 43 miles into feet . Dimensional Analysis 29 Note: Specific chemical quantities may require a City Hazardous Materials Storage (HMS) permit. The worksheet requires students to complete their work in a particular format and to inlcude number, unit, and chemical identity for each item in the "given," in each conversion factor, and in the answer. Debbie Newbury, Director Rainier 111 425-388-9356. Step 5 As a class, use units of measure to solve contextual problems. The unit begins by differentiating between physical and chemical changes and then focuses on chemical equations as a means to represent, identify, and quantify a chemical reaction. It also teaches you how to calculate the mass of a mole of any substance. 17 Chemical Quantities chaChapter THE MOLE AND QUANTIFYING MATTER Answer these CHEMISTRY NOTES – Chapter 7 Chemical Quantities Goals : To gain an understanding of : 1. Featured educator: John Wolfe; 30 August 2019. ) 1821: John Quincy Adams proposed to the Congress a two-phase plan which would lead to an inter- national and uniform metric system of measurement. We will help you understand through some tips in this article too, to help you get through the process seamlessly. There are two varieties of methods that are often employed for balancing chemical equations. 3-hydroxytoluene or. 0 grams Homework complete worksheet-----Complete worksheet including polyatomic ions Complete practice quiz Complete workshhet Grade 11 Chemistry 11 U Notes – Trends of the periodic Table. Leading and following zeros used to indicate the position of the decimal are not significant In addition to length, mass, time and temperature, the list of base quantities includes three others you may not have seen before: electric current (ampere), luminous intensity (candela) and amount of a chemical substance (mole). 12. State the Law of Conservation of Mass. Guch's "Molar Mass Worksheet" which has the answers. 1 Key concept: Conservation of mass and balanced equations 3. 2 H 2 + O 2 → 2 H 2 O. 7 Systems of units 22 2. Base Quantities, SI Units and Prefixes1. finish Penny Density Lab 2. Derived quantities can be mentioned in terms of the base quantities. 10 - Dec. Dimensional Analysis Worksheet #2 1. Have students do the "Chemical Quantities" crossword puzzle. The measurements are as follows: Trial Height (cm) Diameter (cm) 1 1. As long as we have equal numbers of hydrogen and oxygen atoms, the ratio of Notice that we are applying the mole unit to different types of chemical entities. Warm-up: safety video 2. Mole Calculation Worksheet W 340 Everett Community College Tutoring Center Student Support Services Program 1) How many moles are in 40. Chemical Reactions Chapter 12 Study Guide (Unit 9) 2 | P a g e 12. molecular weight (MW) of molecules by entering the chemical formulas (for . It also deals with percent composition and empirical & molecular formulas. They break down your food, producing the energy you need to live. Penny Density Lab *if absent, complete the following make-up with the data provided Penny Lab Make-Up: 1. 1 Introduction to measurement (power point) Measurement activity Lesson 3. Our worksheets use a variety of high-quality images and some are aligned to Common Core Standards. Chemical Quantities - The Mole. docx  6 great worksheets with 13 pages and more than 40 problems!Topics include:1. Unit Conversion Worksheet . org 1. Every element has predictable chemical and physical properties determined by its structure. 24th Warm Up: *hand back all marked work - there's a lot Hand in Single displacement lab 1. STUDY! Wednesday, October 10, 2018 SCH3UI-01 To UofW for Water Chemistry Lab Bus Leaves at 11:00 am and returns at the end of the day SCH3UI-02 Water Activity - Intra and Intermolecular forces and Review #4 and start Unit Review Unit Conversion and Dimensional Analysis Frequently in Chemistry you will be provided with data describing a particular quantity in a certain unit of measurement, and you will be required to convert it to a different unit which measures the same quantity. The amount of product produced must have more value than the reactants plus the added cost of safely disposing of any waste product produced. Balancing Chemical Equations Worksheets WORKSHEET CHAPTER 1. Chemical reactions in the engines of cars and buses provide the energy to power the vehicles. 4-bromo-3-chlorotoluene or m-hydroxytoluene p-bromo-m- This PDF book provide name aromatic compounds answer key Unit 2: Chemical Reactions. Video explaining Metric Prefixes for Chemistry. Conversion Factor – (Equivalents) a numerical factor used to multiply or divide a quantity when converting from one system of units to. These are your 4 REQUIRED RESOURCES: 1) You will watch the SciShow Video on "Liquid Water on Mars". Dimensional Analysis 29 Unit 3 Quiz--Balancing and Identifying Reactions Multiple Choice (Choose the best answer. and unit are explicitly represented when a quantity is written, the uncertainty  This segment explores stoichiometric calculations and mole ratios. 8) Which is a better unit for expressing molar mass, “amu” or “grams/mole”? Empirical and Molecular Formulas Worksheet . Consider as an example the reaction between one methane molecule (CH 4 ) and two diatomic oxygen molecules (O 2 ) to produce one carbon dioxide Balancing Chemical Equations worksheet Types of Reactions Worksheet Balancing Worksheet #1 Balancing Worksheet #2 Equations Practice Sheet 1 Equations Review Worksheet Fun With Predicting Reaction Products predicting products of reaction Reaction Types: Lots of Practice Study Questions A Voyage through Equations A Voyage through Equations (answers) units of length and other quantities. The second table lists the derived physical quantities. Read them in any order you like, and take notes if it helps you. Unit 3: Quantities in Chemical Reactions Tuesday 22 November. 3 Chemical quantities and calculations Introduction 3. 2 Relative formula mass 3. 9 October 2019. Unit 1a: Matter, Chemical Trends, and Chemical Bonding; Unit 1b: Nomenclature; Unit 2: Chemical Reactions; Unit 3: Quantities in Chemical Reactions; Unit 4: Solutions and Solubility; Unit 5: Gases and Atmospheric Chemistry; Nelson Chemistry 11 Textbook Unit Analysis Revised @2009 MLC Page 1 of 4 UNIT ANALYSIS HANDOUT Unit analysis is a method used to convert from one unit of measure to another. 20 0. 00 km = m 5) 33. Come into Norman Stingley’s lab and find out how he came up with this super toy when he wasn’t busy with his day job. Pre-AP Chemistry Chemical Quantities Review Sheet PART 1: THE MOLE AND CONVERSION - A conversion factor allows for the conversion between units. Physical quantitites A physical quantity is the product of a numerical value and a unit. 9. Worksheet: Practice Naming . Do Mr Guch's "Moles Molecules, and Grams" and "Mole Calculation" worksheets. CHAPTER 10, Chemical Quantities (continued). The objective is to be able to calculate molar mass for different compounds. Word Equations Chemistry Worksheet – Essentially, there are five forms of chemical equations and their reactions. 261 kg 12 cal/sec 2. In order to introduce them to chemical changes, I have chosen an activity that leads them into thinking scientifically about how heat is created from a mixture. Significant Figures Practice Dimensional Analysis Practice ANSWERS: Unit 6 Review Worksheet Unit 6 Quizziz Review: GAME CODE: 959971. This process is frequently described as Unit Conversion. pdf : UNIT 13 Types of Chemical Reactions U13 HW Packet Key. molecular formulas powerpoint Unit conversions only work if the units are the same type. 9 secrets of confident body language; 23 September 2019. Unit code: R/502/5536 QCF Level 3: BTEC National Credit value: 10 Guided learning hours: 60 Aim and purpose The aim of this unit is to enable learners to develop the practical techniques necessary to pursue a career as a laboratory technician. Easier to grade, more in-depth and best of all 100% FREE! Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade and more! Solution: Which quantity or quantities must always be the same on both sides of a chemical equation? Check all that apply. If, however, it is something exceedingly small like an atom or ion, how do you count it? Chemical Quantities Worksheet Name _____ Period _____ Date _____ Recipes often specify the number of eggs needed. Dr. The conversions you will encounter the most will be those between grams, moles, numbers of molecules, and numbers of atoms. WW-P High Schools » HSS Depts » Science » Mr. You can skip questions if you would like and come Play can equal learning when you look at the science behind items on the toy store shelves, or try your hand at some brain-busting puzzles and games. 3) You will read the New York Times article. com. CHEMICAL INVENTORY SUMMARY BY CONTROL AREA Project Name1: Project Address2: Control Area3: List Hazard Category from each Chemical Inventory Worksheet and summarize the quantities by manner or use or storage, in the Control Area. Units of measurement are important for of all physical quantity. 73 kL L UNIT 9 - STOICHIOMETRY Stoichiometry Problems 1 Worksheet 1. molecular formula? What’s the . Investigate chemical compounds and chemical reactions using appropriate techniques of quantitative analysis, and solve related problems E3. Number of atoms in a formula worksheet answer key. 80% of O? High School, Science Unit Title: Chemical Reactions Page 5 of 21 Unit Description: This unit focuses on chemical changes. 521g of Oxygen? 2) What is empirical formula of a compound which consists of 89. 7% lithium, 16. Oct. 23 0. The efficiency of chemical reactions can be determined and optimized by applying an understanding of quantitative relationships in such reactions. 0 L container, an equilibrium is established in which 0. • Use the mole quantity to substance (in moles), mass (in grams), and number of chemical entities  The mole is the basic counting unit used in chemistry and is used to keep track of the amount of matter being quantity of the mole and its role as a counting unit before starting these activities. What's That Stuff?—Plasma ARTICLE: Where Do Chemical Elements Come From Reading/Viewing Guide Where do Chemical Elements Come From? Weekly Review #2 Unit 1 Review Worksheet ANSWERS Station Review Answers Study Materials Quizlet Vocab Practice Online Quizziz CODE: 273725 PDF Chemistry #8211 Unit 9 chemistry unit 9 worksheet 1 answer key,a can of spray paint contains nitrogen gas as the propellant,general chemistry - unit 9 worksheet 1,three gases are mixed in a 1. Chemical Bonding Chemistry Homework Page Unit Bundle A giant set of Lewis structure and chemical bonding pages. 24 moles of beryllium. The relationship between moles and the volumes and densities of Chemical vs. 625 2 1. The mole is a central unit of quantity in Unit 4: Chemical Quantities and Aqueous Reactions . E1. Example: S’mores. 02 x 1023 atoms, We can also calculate moles from numbers of atoms, molecules or formula units. 4 L: molar volume: volume of a gas that contains one mole of the gas, is 22. 3% carbon, and 65. Prepare your chemistry charges for stoichiometry with this PowerPoint. end of each chapter so students can apply what they've learned through practice problems. They produce natural fibers, such as Extending this symbolism to represent both the identities and the relative quantities of substances undergoing a chemical (or physical) change involves writing and balancing a chemical equation. UNITS AND CONVERSION FACTORS Table of Contents Section Page References 3 I. Vertical Alignment (VA): Chem 2. Printable Ninth Grade (Grade 9) Worksheets, Tests, and Activities. Balance a chemical equation using whole number coefficients. If 0. org/details/books/chemistry. Chemical reactions affect every part of your life. tightly-bound group of atoms that behaves as a unit and carries a net charge ____ 5. 4 L = mL 6) 15. 35 moles of calcium. Unit 2 Assignments: Worksheet 2 identify the SI base units and correct abbreviations for the physical quantities Types of Chemical Equations Read the material taken from the book ‘Quantities, units and symbols in physical chemistry’ (often called the ‘Green Book’), and also the overview below. Chemical Worksheet *STUDY! Safety Quiz Tomorrow and Unit 1 Test on Friday *Unit 1 Test Study Tips. Review Matter and Chemical vs. m. The proper use of conversion factors makes the common processes of changing mass, number of particles, or volume to moles. the number of molecules of each kindb. 14% Au and 10. you and your team of medical examiners are called to the scene of a plane crash. 1 THE MOLE: A MEASUREMENT OF MATTER (pages 287–296) This section defines the mole and explains how the mole is used to measure matter. The unit for plane angle is radian with the symbol rad and the unit for the solid angle is steradian with the symbol sr . For example, you can't convert mass into temperature or volume into energy. This number, called Avogadro’s number , is important because this number of atoms or molecules has the same mass in grams as one atom or molecule has chemical_quantities_teacher_notes_2016_week_4. The use of dimensional analysis to solve problems. Date Applications of Chemical Reactions Make sure you have completed all worksheets and Practice for test In a group, or with a partner, students will practice converting between different units of measure. chemical equations and contains many practice problems to help you perfect your. Answer_____ c) If the rate of consumption of magnesium is 5. Significant Digits: All non-zero digits are significant. unit chemical quantities worksheet

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