Answered: Consider a cell reaction at 25oC where…

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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1. Consider a cell reaction at 25oC where n=3. Fill in the following table.

	∆G	o E	o K
a	24 kJ
b		0.120 V
c			0.114

2. Consider a voltaic cell at 25 degrees in which the following reaction takes place.
3O_2(g) + 4NO_(g) + 2H₂O --> 4NO₃^-_(aq) + 4H⁺_(aq)

_{Calculate E under the following conditions:
[NO3^-] = 0.750 M
PNO = 0.993 atm
PO2 = 0.515 atm
pH = 2.85}

3. A solution containing a metal ion (M²⁺_(aq)) is electrolyzed by a current of 7.8 A. After 15.5 minutes, 1.19g of the metal is plated out. What is the metal? (Assume 100% efficiency.)

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