A. Galvanic Cells Below is the notation for each cell to be constructed. Record the highest potential reached for each cell. Zn° Zn2+(0.10 M)||Cu2+(0.10 M) |Cu° Fe° Fe2+(0.10 M)||Cu²+(0.10 M)|Cuº Yvoltage: 1.17V voltage: 0.583 V Mg0| Mg2+ (0.10 M)||Cu2+(0.10 M) |Cu° Mgº| Mg2+(0.10 M)||Zn2+(0.10 M) | Zn Zn° Zn2+(0.10 M)||Fe²+(0.10 M)| Fe° voltage: 1.522 V voltage: 0.631V Mg0| Mg2+ (0.10 M)||Fe2+ (0.10 M)| Fe° voltage: 0.527V voltage: 1.186V A. Galvanic Cells 13. Show your work using standard reduction potentials, to determine the theoreti- cal voltage for each of the combinations. Determine which half reaction occurs at the anode, and which occurs at the cathode. Also include the % error of your measurement. a. Zn° Zn2+(0.10 M)||Cu2+(0.10 M) | Cu° Anode reaction: Cathode reaction: Overall reaction: Calculated Eº: b. Fe|Fe2+ (0.10 M)||Cu2+(0.10 M)|Cu° Anode reaction: Cathode reaction: Overall reaction: Calculated E°º. c. Mg Mg2+(0.10 M)||Cu2+(0.10 M)|Cu° Anode reaction: Cathode reaction: Overall reaction: % Error: % Error: Calculated Eº. % Error:
A. Galvanic Cells Below is the notation for each cell to be constructed. Record the highest potential reached for each cell. Zn° Zn2+(0.10 M)||Cu2+(0.10 M) |Cu° Fe° Fe2+(0.10 M)||Cu²+(0.10 M)|Cuº Yvoltage: 1.17V voltage: 0.583 V Mg0| Mg2+ (0.10 M)||Cu2+(0.10 M) |Cu° Mgº| Mg2+(0.10 M)||Zn2+(0.10 M) | Zn Zn° Zn2+(0.10 M)||Fe²+(0.10 M)| Fe° voltage: 1.522 V voltage: 0.631V Mg0| Mg2+ (0.10 M)||Fe2+ (0.10 M)| Fe° voltage: 0.527V voltage: 1.186V A. Galvanic Cells 13. Show your work using standard reduction potentials, to determine the theoreti- cal voltage for each of the combinations. Determine which half reaction occurs at the anode, and which occurs at the cathode. Also include the % error of your measurement. a. Zn° Zn2+(0.10 M)||Cu2+(0.10 M) | Cu° Anode reaction: Cathode reaction: Overall reaction: Calculated Eº: b. Fe|Fe2+ (0.10 M)||Cu2+(0.10 M)|Cu° Anode reaction: Cathode reaction: Overall reaction: Calculated E°º. c. Mg Mg2+(0.10 M)||Cu2+(0.10 M)|Cu° Anode reaction: Cathode reaction: Overall reaction: % Error: % Error: Calculated Eº. % Error:
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 51QAP: For a certain cell, G=25.0 kJ. Calculate E° if n is (a) 1(b)1(c) 41 Comment on the effect that the...
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