Answered: A silver oxide–zinc cell maintains a…

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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A silver oxide–zinc cell maintains a fairly constant voltage during discharge (1.60 V).
The button form of this cell is used in watches, hearing aids, and other electronic devices.
The half-reactions are:
Zn(s) + 2OH- (aq) → Zn(OH)2(s) + 2e
Ag2O(s) + H2O(l) + 2e- → 2Ag(s) + 2OH(aq)
(a) Identify the anode and the cathode reactions.
(b) What’s the overall reaction in this galvanic cell?

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