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SHE and cadmium electrode.

SHE and cadmium electrode.

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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Write the schematic representation and reaction of

the cell composed of SHE and cadmium electrode. Deduce the

half-reaction potential of the cadmium electrode from the E°cell =

- 0.403 V. Is the reaction spontaneous or not? Why or why not?

If it is not spontaneous, how should the schematic

representation be written to make it spontaneous?

Exercise 2: Write the schematic representation and reaction of the cell composed of SHE and cadmium electrode. Deduce the half-reaction potential of the cadmium electrode from the E°cell = - 0.403 V. Is the reaction spontaneous or not? Why or why not? If it is not spontaneous, how should the schematic representation be written to make it spontaneous? The magnitude of electrode potentials indicates the relative strength of the ionic species as electron acceptors (oxidizing agents); that is in decreasing strength, Ag* > H* > Cd²+ > Zn?*.
Transcribed Image Text:Exercise 2: Write the schematic representation and reaction of the cell composed of SHE and cadmium electrode. Deduce the half-reaction potential of the cadmium electrode from the E°cell = - 0.403 V. Is the reaction spontaneous or not? Why or why not? If it is not spontaneous, how should the schematic representation be written to make it spontaneous? The magnitude of electrode potentials indicates the relative strength of the ionic species as electron acceptors (oxidizing agents); that is in decreasing strength, Ag* > H* > Cd²+ > Zn?*.
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