Answered: 5. Given the following two half…

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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5. Given the following two half reactions,
Pb2+(aq) + 2 e → Pb(s) Eo = + 0.126 V
Fe3+(aq) + e → Fe2+(aq) Eo = - 0.771 V
the overall reaction in the direction in which it is spontaneous and the standard
cell voltage is indicated by
A. Pb2+(aq) + 2 Fe2+(aq)  Pb(s) + 2 Fe3+(aq) E = +0.897 V
B. Pb2+(aq) + Fe2+(aq)  Pb(s) + Fe3+(aq) E = +0.645 V
C. Pb(s) + 2 Fe3+(aq)  Pb2+ (aq) + 2 Fe2+(aq) E = +1.416 V
D. Pb(s) + 2 Fe3+(aq)  Pb2+ (aq) + 2 Fe2+(aq) E = +0.897 V
E. Pb(s) + Fe3+(aq)  Pb2+ (aq) + Fe2+(aq) E = +0.645 V

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