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12:13 AM Fri Jul 8 9 of 9 900 inst-fs-iad-prod.inscloudgate.net Post-Laboratory Questions and Exercises Due after comple
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- 12 13 Am Fri Jul 8 9 Of 9 900 Inst Fs Iad Prod Inscloudgate Net Post Laboratory Questions And Exercises Due After Comple 1 (55.47 KiB) Viewed 49 times
12:13 AM Fri Jul 8 9 of 9 900 inst-fs-iad-prod.inscloudgate.net Post-Laboratory
Questions and Exercises Due after completing the lab. Answer in the space provided. Name 1. Describe the appearance of the copper(II) chloride solution and the aluminum foil before the reaction. starts. (from video) 2. Describe the appearance of the solution and any solids after the reaction. (from video) 3. Heating the copper product at too high a temperature in an oxygen atmosphere results in the formation od copper (II) oxide. Write down the balanced chemical reaction. 4. If the copper is not completely dried, how would this change the yield of copper metal? 5. What are some reasons for obtaining a percent yield of less than 100 percent? Note: This lab handout has been adapted from CHEM 1105 at Houston Community College 82%