Chemistry Daily 10’s Week 13. 1 1. What is the study of the mass relationships of elements in compounds? a. reaction stoichiometry b. composition stoichiometry.

Slides:

Advertisements

Similar presentations

Types of Chemical Reactions

Advertisements

Chapter 3: Calculations with Chemical Formulas and Equations MASS AND MOLES OF SUBSTANCE 3.1 MOLECULAR WEIGHT AND FORMULA WEIGHT -Molecular weight: (MW)

STOICHIOMETRY Study of the amount of substances consumed and produced in a chemical reaction.

Chapter 3 Stoichiometry: Calculations with Chemical Formulas and Equations.

Law of Conservation of Mass

Stoichiometry Law of Conservation of Mass “We may lay it down as an incontestable axiom that, in all the operations of art and nature, nothing is created;

and cooking with chemicals

Stoichiometry Calculating Masses of Reactants and Products.

Stoichiometry  2009, Prentice-Hall, Inc. Chapter 3 Stoichiometry: Calculations with Chemical Formulas and Equations Chemistry, The Central Science, 11th.

Stoichiometry Calculations with Chemical Formulas and Equations.

Choose Your Category The MoleAverage Atomic Mass and Molar Mass FormulasPercentage Composition Limiting Reactants Percentage Yield and Error Vocab 100.

Stoichiometry © 2009, Prentice-Hall, Inc. Chapter 3 Stoichiometry: Calculations with Chemical Formulas and Equations.

Stoichiometry Chapter 3 Stoichiometry: Calculations with Chemical Formulas and Equations John D. Bookstaver St. Charles Community College St. Peters, MO.

Chemistry, The Central Science, 10th edition

Foundations of College Chemistry, 14 th Ed. Morris Hein and Susan Arena Accurate measurement and dosage calculations are critical in dispensing medicine.

© 2012 Pearson Education, Inc. Chemical Equations Chemical equations are concise representations of chemical reactions.

Aim: How can the amount of product be predicted?

** Refer to atomic mass on Periodic Table!!! **. Review *** a.) 1 a.m.u. = 1/12 the mass of a ____________ atom b.) subscript = # of ____________. Eg.

Chemistry Chapter 9 Stoichiometry. What is stoichiometry? Stoichiometry = shows relationships between masses of elements in compounds OR between the reactants.

Stoichiometry Section 12.1.

Proportional Relationships b Stoichiometry mass relationships between substances in a chemical reaction based on the mole ratio b Mole Ratio indicated.

1 Chapter 8 Quantities in Chemical Reactions Tro, 2 nd ed.

Stoichiometry. The study of chemical changes is at the heart of chemistry. Stoichiometry is the area of study that examines the quantities of substances.

Stoichiometry Sherlock Holmes, in Sir Arthur Conan Doyle’s A Study in Scarlet “In solving a problem of this sort, the grand thing is to be able to reason.

 Quantitative chemical analysis involves the scientific concepts and technological skills needed to determine the quantity of a substance in a sample.

Start-Up What is the molar mass for Calcium hydroxide? A g/mol B g/mol C g/mol D. 27 g/mol.

III Equation Problems A What does an equation represent? Represents chemical change Made up “reactants” and “products”  Reactants  starting materials.

Stoichiometry. What Is It? Branch of chemistry that shows the relationships among reactants and products in a chemical reaction Equations must be balanced.

EQUATIONS Coefficients- 1. The big numbers in front of the compounds and/or elements in a chemical reaction. 2. Represent the number of moles of that compound.

I. I.Stoichiometric Calculations Stoichiometry. History of Stoichiometry b Comes from the Greek: Stoicheion - to measure the elements.

Stoichiometry Law of Conservation of Mass “We may lay it down as an incontestable axiom that, in all the operations of art and nature, nothing is created;

Stoichiometry – Chemical Quantities Notes. Stoichiometry Stoichiometry – Study of quantitative relationships that can be derived from chemical formulas.

The Mole, part II Glencoe, Chapter 11 Sections 11.3 & 11.4.

Stoichiometry. Proportional Relationships b I have 5 eggs. How many cookies can I make? 3/4 c. brown sugar 1 tsp vanilla extract 2 eggs 2 c. chocolate.

Unit 17: Review All the Things. Part I. LPChem1415 Groups of similar elements have special names:

Stoichiometry is… Greek for “measuring elements” Defined as: calculations of the quantities in chemical reactions, based on a balanced equation. There.

Stoichiometry and cooking with chemicals.  Interpret a balanced equation in terms of moles, mass, and volume of gases.  Solve mole-mole problems given.

Mole GRAM FORMULA MASS MOLES TO GRAMS AND GRAMS TO MOLES.

Mass to Mass Conversions. Mole to Mole Conversions are the CRUCIAL LINK Follow the same steps: Step 1: Balance the equation Step 2: Write down what you.

Stoichiometry. Do Now A recipe calls for one cup of milk and three eggs per serving. You quadruple the recipe because you are expecting guests. How much.

Chapter 3: Stoichiometry: Calculations with Chemical Formulas and Equations AP Chemistry

Molecular Formulas. 2 A molecular formula is equal or a multiple of its empirical formula has a molar mass that is the product of the empirical formula.

Stoichiometry: Chapter 9 Lesson 1. Law of Conservation of Mass “We may lay it down as an incontestable axiom that, in all the operations of art and nature,

Chemical Reactions. Different than a “Physical Change” (like ice to liquid water) When a chemical undergoes a chemical change, it changes its identity.

Stoichiometry AP Chemistry – Unit 2. What is Stoichiometry? Given the mass or moles of one reactant or product determine how much reactants (in mass of.

Chemical Reactions Balancing Equations. n In order to show that mass is conserved during a reaction, a chemical equation must be balanced n You do this.

Stoichiometry Chapter 9 Mass calculations Stoich ppt _2 mass-mass.

 I have 5 eggs. How many cookies can I make? 3/4 c. brown sugar 1 tsp vanilla extract 2 eggs 2 c. chocolate chips Makes 5 dozen cookies. 2 1/4 c. flour.

Stoichiometry II.

Stoichiometry Section 12.1.

Stoichiometry “In solving a problem of this sort, the grand thing is to be able to reason backward. This is a very useful accomplishment, and a very easy.

Chapter 9A Notes Stoichiometry

MASS - MASS STOICHIOMETRY

Law of Conservation of Matter

Atomic Mass Unit: amu (atomic mass unit) amu is defined as a mass exactly equal to on-twelfth the mass of Carbon-12 atom amu = 1/12 of carbon-12 Hydrogen.

Chemical Reactions Unit

CHAPTER 9 STOICHIOMETRY

Unit 8 Stoichiometry Notes

Chemical Equations Chemical equations are concise representations of chemical reactions.

Stoichiometry Chapter 11.

DO NOW Pick up notes. Get out Simple Stoichiometry handout (back of yesterday’s notes).

Formation of Ammonia.

Stoichiometry Section 12.1.

Stoichiometry Follow along in your text Chapter 9 Section 1 Pages 302 – 311 Put on Pg.33 of your notebook!

Stoichiometry Chapter 11.

Presentation transcript:

Chemistry Daily 10’s Week 13

1 1. What is the study of the mass relationships of elements in compounds? a. reaction stoichiometry b. composition stoichiometry c. percentage yield d. Avogadro's principle

2. The coefficients in a chemical equation represent the a. masses, in grams, of all reactants and products. b. relative numbers of moles of reactants and products. c. number of atoms in each compound in a reaction. d. number of valence electrons involved in the reaction.

2 1. A balanced chemical equation allows one to determine the a. mole ratio of any two substances in the reaction. b. energy released in the reaction. c. electron configuration of all elements in the reaction. d. mechanism involved in the reaction.

2. To balance a chemical equation, it may be necessary to adjust the a. coefficients. b. subscripts. c. formulas of the products. d. number of products.

3 1. A chemical equation is balanced when the a. coefficients of the reactants equal the coefficients of the products. b. same number of each kind of atom appears in the reactants and in the products. c. products and reactants are the same chemicals. d. subscripts of the reactants equal the subscripts of the products.

2. Given the equation, the starting mass of A, and its molar mass, and you are asked to determine the moles of C produced, your first step in solving the problem is the multiply the given mass of A by a. b. c. d.

4 1. In what kind of reaction do two or more substances combine to form a new compound? a. decomposition reaction b. combustion reaction c. double-displacement reaction d. synthesis reaction

2. In the reaction represented by the equation N 2 + 3H 2  2NH 3, what is the mole ratio of hydrogen to ammonia? a. 1:1 b. 2:1 c. 3:2 d. 6:8

5 1. In the equation 2KClO 3  2KCl + 3O 2, how many moles of oxygen are produced when 3.0 mol of KClO 3 decompose completely? a. 1.0 mol b. 2.5 mol c. 3.0 mol d. 4.5 mol

2. For the reaction represented by the equation AgNO 3 + NaCl  NaNO 3 + AgCl, how many moles of silver chloride, AgCl, are produced from 7.0 mol of silver nitrate AgNO 3 ? a. 1.0 mol b. 2.3 mol c. 7.0 mol d. 21 mol

Answers & Standards 1.1ANS:BSTA:SC2.d 1.2ANS:BSTA:SC2.d 2.1ANS:ASTA:SC2.d 2.2ANS:ASTA:SC2.d 3.1ANS:BSTA:SC2.d 3.2ANS:CSTA:SC2.d 4.1ANS:DSTA:SC2.d 4.2.ANS:CSTA:SC2.d 5.1.ANS:DSTA:SC2.d 5.2.ANS:CSTA:SC2.d