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Slide 1 of 36 © Copyright Pearson Prentice Hall Limiting Reagent and Percent Yield > Limiting and Excess Reagents In a chemical reaction, an _____________ quantity of any of the reactants will _____ the amount of product that forms. The ___________ ___________________ is the reagent that determines the amount of product that can be formed by a reaction. (the one that __________ ______ ______) 12.3
Slide 2 of 36 © Copyright Pearson Prentice Hall Limiting Reagent and Percent Yield > Limiting and Excess Reagents 12.3 The Chemical Equation for the Preparation of Ammonia
Slide 3 of 36 © Copyright Pearson Prentice Hall Limiting Reagent and Percent Yield > Limiting and Excess Reagents In the reaction of nitrogen and hydrogen, hydrogen is the limiting reagent. Nitrogen is the reagent that is not completely used up in the reaction. The reagent that is not used up is called the ___________ ________. 12.3
© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 4 of
© Copyright Pearson Prentice Hall Slide 5 of 36 Practice Problems for Sample Problem 12.7
© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 6 of
© Copyright Pearson Prentice Hall Slide 7 of 36 Practice Problems for Sample Problem 12.8
Slide 8 of 36 © Copyright Pearson Prentice Hall Limiting Reagent and Percent Yield > Percent Yield The percent yield is a measure of the _______________ of a ________________ carried out in the laboratory. 12.3
Slide 9 of 36 © Copyright Pearson Prentice Hall Limiting Reagent and Percent Yield > Percent Yield The _______________ yield is the _____________ amount of product that could be formed from given amounts of reactants. In contrast, the amount of product that actually forms when the reaction is carried out in the laboratory is called the ______________ yield. 12.3
Slide 10 of 36 © Copyright Pearson Prentice Hall Limiting Reagent and Percent Yield > Percent Yield The ________________ yield is the _______________ of the actual yield to the theoretical yield expressed as a percent. 12.3
© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 11 of
© Copyright Pearson Prentice Hall Slide 12 of 36 Practice Problems for Sample Problem 12.9
© Copyright Pearson Prentice Hall SAMPLE PROBLEM Slide 13 of
© Copyright Pearson Prentice Hall Slide 14 of 36 Practice Problems for Sample Problem 12.10
Chapter 12. More than 3000 cocoons are needed to produce enough silk to make just one elegant Japanese kimono. Like silk manufacturers, chemists must.
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1 Percent Yield and Limiting Reactants Copyright © 2007 by Pearson Education, Inc. Publishing as Benjamin Cummings Edited by bbg.
Atomic Mass l Atoms are so small, it is difficult to discuss how much they weigh in grams l Use atomic mass units. l an atomic mass unit (amu) is one.
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Stoichiometry © 2009, Prentice-Hall, Inc. Lecture 0302 Molecular Wt. % Composition and Elemental Analysis John D. Bookstaver St. Charles Community College.
Stoichiometry molar mass Avogadros number Grams Moles particles molar mass Avogadros number Grams Moles particles Everything must go through Moles!!!
Limiting Reactants. You have a lit candle You put a jar over the candle What will happen? It will go out Why? It runs out of oxygen.
Mass and gaseous volume relationships in chemical reactions Topic 1 – Quantitative Chemistry.
Love, Life and Stoichiometry Stoichiometry Greek for “measuring elements” Greek for “measuring elements” The calculations of quantities in chemical reactions.
Stoichiometry Molar Mass of Compounds Molar Mass (MM) = add up all the atomic masses for the molecule (or compound) Molar Mass (MM) = add up all the.
Chapter 12 Stoichiometry Mr. Mole. Lets make some Cookies! u When baking cookies, a recipe is usually used, telling the exact amount of each ingredient.
Mass Relationships in Chemical Reactions Chapter 3.
1 Chapter 10 Mol Factors Calculations with Equations Limiting Reactions Percent Yield.
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.
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Unit 8 Stoichiometric Relationships In Chemical Reactions Mole Ratios Stoichiometry applied to gases Fractional Components of Chemical Samples Chemical.
Chemical Stoichiometry The determination of the quantities of materials consumed or produced in chemical reactions.
Unit 11 Stoichiometry CP Chemistry Big Ideas u OBJECTIVES: Calculate the amount of reactants required, or product formed, in a chemical reaction. Interpret.
Stoichiometry Chemistry I: Chapter 12 Chemistry I HD: Chapter 9 SAVE PAPER AND INK!!! When you print out the notes on PowerPoint, print "Handouts" instead.
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