Name Gulon Grunlean D l ill 42% 5:59 A Limiting Reagents Practi... www.chémistry.wustl.edu Practice Problems: Limiting Reagents 1. Take the reaction: NH3 + 02 - NO + H2O. In an, experiment, 3.25 g of NH3 are allowed to react with 3.50 g of O2. Hint a. Which reactant is the limiting reagent? b. How many grams of NO are formed? C. How much of the excess reactant remains after the reaction? 2. If 4.95 g of ethylene (C2H4) are combusted with 3.25 g of oxygen. Hint a. What is the limiting reagent? b. How many grams of CO2 are formed? 3. Consider the reaction of C6H6 + Br2 → C6H5B + HBr a. What is the theoretical yield of C6H5B if 42.1 g of C6H6 react with 73.0 g of Br2? b. If the actual yield of C6H5B is 63.6 g, what is the percent yield? 4. Use the following reaction: C4H9OH + NaBr + H2SO4 - C4H9Br + NaHSO4 + H20 If 15.0 g of C4H9OH react with 22.4 g of NaBr and 32.7 g of H2SO4 to yield 17.1 g of C4H9BR, what is the percent yield of this reaction? Hint ENGLISH PUNJABI II

Name Gulon Grunlean D l ill 42% 5:59 A Limiting Reagents Practi... www.chémistry.wustl.edu Practice Problems: Limiting Reagents 1. Take the reaction: NH3 + 02 - NO + H2O. In an, experiment, 3.25 g of NH3 are allowed to react with 3.50 g of O2. Hint a. Which reactant is the limiting reagent? b. How many grams of NO are formed? C. How much of the excess reactant remains after the reaction? 2. If 4.95 g of ethylene (C2H4) are combusted with 3.25 g of oxygen. Hint a. What is the limiting reagent? b. How many grams of CO2 are formed? 3. Consider the reaction of C6H6 + Br2 → C6H5B + HBr a. What is the theoretical yield of C6H5B if 42.1 g of C6H6 react with 73.0 g of Br2? b. If the actual yield of C6H5B is 63.6 g, what is the percent yield? 4. Use the following reaction: C4H9OH + NaBr + H2SO4 - C4H9Br + NaHSO4 + H20 If 15.0 g of C4H9OH react with 22.4 g of NaBr and 32.7 g of H2SO4 to yield 17.1 g of C4H9BR, what is the percent yield of this reaction? Hint ENGLISH PUNJABI II

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Name Gulon
Grunlean
D l ill 42%
5:59 A
Limiting Reagents Practi...
www.chémistry.wustl.edu
Practice Problems: Limiting Reagents
1. Take the reaction: NH3 + 02 - NO + H2O. In an,
experiment, 3.25 g of NH3 are allowed to react
with 3.50 g of O2. Hint
a. Which reactant is the limiting reagent?
b. How many grams of NO are formed?
C. How much of the excess reactant remains
after the reaction?
2. If 4.95 g of ethylene (C2H4) are combusted
with 3.25 g of oxygen. Hint
a. What is the limiting reagent?
b. How many grams of CO2 are formed?
3. Consider the reaction of C6H6 + Br2 → C6H5B +
HBr
a. What is the theoretical yield of C6H5B if
42.1 g of C6H6 react with 73.0 g of Br2?
b. If the actual yield of C6H5B is 63.6 g, what
is the percent yield?
4. Use the following reaction: C4H9OH + NaBr +
H2SO4 - C4H9Br + NaHSO4 + H20 If 15.0 g of
C4H9OH react with 22.4 g of NaBr and 32.7 g
of H2SO4 to yield 17.1 g of C4H9BR, what is the
percent yield of this reaction? Hint
ENGLISH
PUNJABI
II

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