Consider the galvanic cell based on the following half-reactions: Zn²+ + 2e → Zn ɛ° = –0.76 V Fe?+ + 2e- → Fe ɛ° = -0.44 V a. Determine the overall cell reaction and calculate (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) + Ecell = b. Calculate AG° and K for the cell reaction at 25°C. AG° = kJ K = c. Calculate Ecell at 25°C when Zn²+ = 0.10 M and = 3.1 x 10-5 M, Ecell =

Consider the galvanic cell based on the following half-reactions: Zn²+ + 2e → Zn ɛ° = –0.76 V Fe?+ + 2e- → Fe ɛ° = -0.44 V a. Determine the overall cell reaction and calculate (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) + Ecell = b. Calculate AG° and K for the cell reaction at 25°C. AG° = kJ K = c. Calculate Ecell at 25°C when Zn²+ = 0.10 M and = 3.1 x 10-5 M, Ecell =

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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Question

Consider the galvanic cell based on the following half-reactions:
Zn2+
Fe2+ + 2e → Fe ɛ° = -0.44 V
+ 2e → Zn ɛ° = -0.76 V
a. Determine the overall cell reaction and calculate
E cell
(Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not
needed, leave it blank.)
+
+
%3D
´cell
b. Calculate
AG° and
K for the cell reaction at 25°C.
AG° =
kJ
K =
c. Calculate
Ecell at 25°C when
2+
Zn2-
0.10 M and
|
Fe2+
:3.1 x 10 5 М.
Еcell

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