Calculate the potential for each cell as written at 25 C. Indicate whether the metal electrode in the half-reaction opposite the standard hydrogen electrode, S.H.E., would be the anode or the cathode if the cell was shorted and electrons were allowed to flow freely. S.H.E. || Zn²+ (aq,0.0100 M) | Zn(s) E cell = EZn²+ Zn E cell = V Pt(s) | V³+ (aq,0.350 M), V²+ (aq,0.00420 M) || S.H.E. V = -0.762 V The Zn electrode is the anode. cathode. E√3+ √²+ = -0.255 V The Pt electrode is the cathode. anode.

Calculate the potential for each cell as written at 25 C. Indicate whether the metal electrode in the half-reaction opposite the standard hydrogen electrode, S.H.E., would be the anode or the cathode if the cell was shorted and electrons were allowed to flow freely. S.H.E. || Zn²+ (aq,0.0100 M) | Zn(s) E cell = EZn²+ Zn E cell = V Pt(s) | V³+ (aq,0.350 M), V²+ (aq,0.00420 M) || S.H.E. V = -0.762 V The Zn electrode is the anode. cathode. E√3+ √²+ = -0.255 V The Pt electrode is the cathode. anode.

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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Question

Calculate the potential for each cell as written at 25 C. Indicate whether the metal electrode in the half-reaction opposite the
standard hydrogen electrode, S.H.E., would be the anode or the cathode if the cell was shorted and electrons were allowed to
flow freely.
S.H.E. || Zn²+ (aq,0.0100 M) | Zn(s)
E cell =
E cell =
EZn²+ Zn
Pt(s) | V³+ (aq,0.350 M), V²+ (aq, 0.00420 M) || S.H.E.
MacBook Pro
V
V
= -0.762 V
The Zn electrode is the
anode.
cathode.
Ev3+2+ = -0.255 V
The Pt electrode is the
cathode.
anode.

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