A galvanic cell is based on the following half-reactions (both written as reductions) at 25 °C: VO₂+ (aq) + 2 H+ (aq) + e¯ → VO²+ (aq) + H₂O (1) Zn²+ (aq) + 2 e → Zn (s) E° = 1.00 V E° = -0.763 V Determine whether E is larger or smaller than E° for the following case: [VO₂+] = 0.10 M, [H*] = 2.0 x 10-² M, [VO²+] = 1.5 M, [Zn²+] = 0.45 M What is the change in Gibbs free energy for this reaction at standard state conditions (A,Gº)?
A galvanic cell is based on the following half-reactions (both written as reductions) at 25 °C: VO₂+ (aq) + 2 H+ (aq) + e¯ → VO²+ (aq) + H₂O (1) Zn²+ (aq) + 2 e → Zn (s) E° = 1.00 V E° = -0.763 V Determine whether E is larger or smaller than E° for the following case: [VO₂+] = 0.10 M, [H*] = 2.0 x 10-² M, [VO²+] = 1.5 M, [Zn²+] = 0.45 M What is the change in Gibbs free energy for this reaction at standard state conditions (A,Gº)?
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 135CWP: Consider a galvanic cell based on the following half-reactions: a. What is the expected cell...
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![A galvanic cell is based on the following half-reactions (both written as reductions) at 25 °C:
E° = 1.00 V
VO₂+ (aq) + 2 H+ (aq) + e¯ ⇒ VO²+ (aq) + H₂O (1)
Zn²+ (aq) + 2e → Zn (s)
E° = -0.763 V
Determine whether E is larger or smaller than Eº for the following case:
[VO₂+] = 0.10 M, [H†] = 2.0 × 10˚² M, [VO²+] = 1.5 M, [Zn²+] = 0.45 M
What is the change in Gibbs free energy for this reaction at standard state conditions (A,Gº)?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd104ea5e-59f4-47a3-a0d3-8c9f1ad3b57c%2F9ba7c7f6-ddf4-4ceb-82d4-8500cc8ef19c%2Fi1awuul_processed.png&w=3840&q=75)
Transcribed Image Text:A galvanic cell is based on the following half-reactions (both written as reductions) at 25 °C:
E° = 1.00 V
VO₂+ (aq) + 2 H+ (aq) + e¯ ⇒ VO²+ (aq) + H₂O (1)
Zn²+ (aq) + 2e → Zn (s)
E° = -0.763 V
Determine whether E is larger or smaller than Eº for the following case:
[VO₂+] = 0.10 M, [H†] = 2.0 × 10˚² M, [VO²+] = 1.5 M, [Zn²+] = 0.45 M
What is the change in Gibbs free energy for this reaction at standard state conditions (A,Gº)?
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