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a) Consider the cell, Zn(s)|ZnCl₂ (0.0050 mol kg¯¹)|Hg₂Cl₂(s)|Hg(1), for which the cell reaction is Hg₂Cl₂(s) + Zn(s)→→2 Hg(1) + 2 Cl−(aq) + Zn²+ (aq). Given that E° (Zn²*,Zn) = −0.7628 V, E° (Hg2Cl2,Hg) = +0.2676 V, and that the cell potential is +1.2272 V. (n=2) i. ii. iii. Write the Nernst equation for the cell. Determine the standard cell potential Determine reaction Gibbs energy, ArG and A.GⓇ

a) Consider the cell, Zn(s)|ZnCl₂ (0.0050 mol kg¯¹)|Hg₂Cl₂(s)|Hg(1), for which the cell reaction is Hg₂Cl₂(s) + Zn(s)→→2 Hg(1) + 2 Cl−(aq) + Zn²+ (aq). Given that E° (Zn²*,Zn) = −0.7628 V, E° (Hg2Cl2,Hg) = +0.2676 V, and that the cell potential is +1.2272 V. (n=2) i. ii. iii. Write the Nernst equation for the cell. Determine the standard cell potential Determine reaction Gibbs energy, ArG and A.GⓇ

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section: Chapter Questions
Problem 38QRT
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Question 3 a) Consider the cell, Zn(s)|ZnCl₂ (0.0050 mol kg ¹) Hg₂Cl₂(s)|Hg(1), for which the cell reaction is Hg₂Cl₂(s) + Zn(s)→→2 Hg(1) + 2 Cl−(aq) + Zn²+ (aq). Given that E° (Zn²+, Zn) = -0.7628 V, E° (Hg₂Cl₂,Hg) = +0.2676 V, and that the cell potential is +1.2272 V. (n=2) i. ii. Write the Nernst equation for the cell. iii. Determine the standard cell potential | 13:52 Determine reaction Gibbs energy, ArG and A.GⓇ iv. Suggest a physical interpretation of the dependence of the Gibbs energy on the tem
Transcribed Image Text:Question 3 a) Consider the cell, Zn(s)|ZnCl₂ (0.0050 mol kg ¹) Hg₂Cl₂(s)|Hg(1), for which the cell reaction is Hg₂Cl₂(s) + Zn(s)→→2 Hg(1) + 2 Cl−(aq) + Zn²+ (aq). Given that E° (Zn²+, Zn) = -0.7628 V, E° (Hg₂Cl₂,Hg) = +0.2676 V, and that the cell potential is +1.2272 V. (n=2) i. ii. Write the Nernst equation for the cell. iii. Determine the standard cell potential | 13:52 Determine reaction Gibbs energy, ArG and A.GⓇ iv. Suggest a physical interpretation of the dependence of the Gibbs energy on the tem
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