ACTIVITY 1: MASS RELATIONSHIPS IN CHEMICAL REACTIONS Name: Section: DIRECTIONS: Answer the following problems. Write your complete solution on a separate sheet of paper. 1. The combustion of carbon monoxide gas in oxygen gas is represented by the following balanced equation: 2 CO(g) + O2(g) 2CO2(g) How many moles of carbon dioxide gas will be produced from the complete combustion of 4.60 moles CO(g)? 2. Consider the reaction: 2 KCIO3 → 2 KCI + 3 O2 a. How many moles of KCIO3 are required to produce 22.8 moles oxygen gas, O2? b. How many moles of KCI will be produced from the total decomposition of 18.8 moles KCIO3? 3. Silver metal reacts with sulfur sulfide according to the following reaction: 2Ag (s) + S(s) → Ag2S(s) a. Identify the reagent if 50.0 g Ag reacts with 10.0 g S. b. What is the theoretical yield in g of Ag2S produced from the reaction? c. What is the amount in g of the excess reactant expected to remain after the reaction? d. When the reaction occurred, the amount of Ag2S obtained was 45.0 g. What is the percent yield of the reaction?

ACTIVITY 1: MASS RELATIONSHIPS IN CHEMICAL REACTIONS Name: Section: DIRECTIONS: Answer the following problems. Write your complete solution on a separate sheet of paper. 1. The combustion of carbon monoxide gas in oxygen gas is represented by the following balanced equation: 2 CO(g) + O2(g) 2CO2(g) How many moles of carbon dioxide gas will be produced from the complete combustion of 4.60 moles CO(g)? 2. Consider the reaction: 2 KCIO3 → 2 KCI + 3 O2 a. How many moles of KCIO3 are required to produce 22.8 moles oxygen gas, O2? b. How many moles of KCI will be produced from the total decomposition of 18.8 moles KCIO3? 3. Silver metal reacts with sulfur sulfide according to the following reaction: 2Ag (s) + S(s) → Ag2S(s) a. Identify the reagent if 50.0 g Ag reacts with 10.0 g S. b. What is the theoretical yield in g of Ag2S produced from the reaction? c. What is the amount in g of the excess reactant expected to remain after the reaction? d. When the reaction occurred, the amount of Ag2S obtained was 45.0 g. What is the percent yield of the reaction?

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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