What is the standard electrode potential for a galvanic cell constructed in the appropriate way from these two half-cells? Standard Reduction Potentials Cr*(aq) + 3e Cr(s) Ered =-0.74 V Co2*(aq) + 2e Co(s) Ered =-0.28 V O -1.02 V O 0.46 V O 0.64 V 1.02 V

What is the standard electrode potential for a galvanic cell constructed in the appropriate way from these two half-cells? Standard Reduction Potentials Cr(aq) + 3e Cr(s) Ered =-0.74 V Co2(aq) + 2e Co(s) Ered =-0.28 V O -1.02 V O 0.46 V O 0.64 V 1.02 V

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 54E: The equation G = nF also can be applied to half-reactions. Use standard reduction potentials to...

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Concept explainers

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.

Question

What is the standard electrode potential for a galvanic cell constructed in the appropriate way from these two half-cells?
Standard Reduction Potentials
Cr*(aq) + 3e Cr(s)
Ered = -0.74 V
Co2*(aq) + 2e Co(s) Ered =-0.28 V
%3D
->
O -1.02 V
O 0.46 V
0.64 V
O 1.02 V

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