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A galvanic cell is constructed by linking a Co2+ | Co(s) half-cell to an Ag+ | Ag(s) half-cell through a salt bridge and then connecting the cobalt and silver electrodes through an external circuit. When the circuit is closed, thecell potential is measured to be 1.08 V, and silver is seen to plate out while cobalt dissolves.(a) Write the half-reactions that occur at the anode and at the cathode and       the balanced overall cell reaction.(b) The cobalt electrode is weighed after 150 minutes of operation and is          found to have decreased in mass by 0.36 g. By what amount has the            silver electrode increased in mass?(c) What is the average current drawn from the cell during this period?

A galvanic cell is constructed by linking a Co2+ | Co(s) half-cell to an Ag+ | Ag(s) half-cell through a salt bridge and then connecting the cobalt and silver electrodes through an external circuit. When the circuit is closed, thecell potential is measured to be 1.08 V, and silver is seen to plate out while cobalt dissolves.(a) Write the half-reactions that occur at the anode and at the cathode and       the balanced overall cell reaction.(b) The cobalt electrode is weighed after 150 minutes of operation and is          found to have decreased in mass by 0.36 g. By what amount has the            silver electrode increased in mass?(c) What is the average current drawn from the cell during this period?

Chemistry
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 galvanic cell is constructed by linking a Co2+ | Co(s) half-cell to an Ag+ | Ag(s) half-cell through a salt bridge and then connecting the cobalt and silver electrodes through an external circuit. When the circuit is closed, the
cell potential is measured to be 1.08 V, and silver is seen to plate out while cobalt dissolves.
(a) Write the half-reactions that occur at the anode and at the cathode and       the balanced overall cell reaction.
(b) The cobalt electrode is weighed after 150 minutes of operation and is          found to have decreased in mass by 0.36 g. By what amount has the            silver electrode increased in mass?
(c) What is the average current drawn from the cell during this period?

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