88 Report Sheet Chemical Reactions of Copper and Percent Yield QUESTIONS 1. When zinc (or aluminum) was allowed to react with the copper sulfate, what was the limiting reagent? 2. If your percent yield of copper was greater than 100%, what are three plausible errors you may have made? 3. Consider the combustion of methane, CH4: CH4(g)+202(g)–→ CO2(g)+2H20(g) Suppose 2.8 mol of methane are allowed to react with 5.0 mol of oxygen. (a) What is the limiting reagent? (b) How many moles of CO, can be made from this reaction? How many grams of CO,? 4. Suppose 8.00 g of CH4 is allowed to burn in the presence of 16.00 g of oxygen. (See reaction in 3 above.) How much (in grams) CH4, O2, C02, and H20 (in grams) remain after the reaction is complete?

88 Report Sheet Chemical Reactions of Copper and Percent Yield QUESTIONS 1. When zinc (or aluminum) was allowed to react with the copper sulfate, what was the limiting reagent? 2. If your percent yield of copper was greater than 100%, what are three plausible errors you may have made? 3. Consider the combustion of methane, CH4: CH4(g)+202(g)–→ CO2(g)+2H20(g) Suppose 2.8 mol of methane are allowed to react with 5.0 mol of oxygen. (a) What is the limiting reagent? (b) How many moles of CO, can be made from this reaction? How many grams of CO,? 4. Suppose 8.00 g of CH4 is allowed to burn in the presence of 16.00 g of oxygen. (See reaction in 3 above.) How much (in grams) CH4, O2, C02, and H20 (in grams) remain after the reaction is complete?

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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