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onsider the net cell reaction below:    Mn2+ + 2 Fe2+  ⇌  Mn + 2 Fe3+   Mn2+ + 2e–  →  Mn –1.05 V Fe2+ + 2e–  →  Fe –0.44 V Fe3+ + 3e–  →  Fe –0.04 V Fe3+ + e–  →  Fe2+ +0.77 V Mn3+ + e–  →  Mn2+ +1.51 V R = 8.314 J/mol∙K F = 96,485 J/mol∙V A. What is the value of the standard cell potential, Eocell (in V)? a. -1.82 b. -1.01 c, +2.28 d. -0.28 e. +0.49 f. -1.49 B. What is the Keq value for the reaction at 298 K?  a. 1.33 x 1077 b. 3.98 x 10-51 c. 3.38 x 10-10 d. 3.76 x 1016  e. 2.74 x 10-62 f. 6.85 x 10-35

onsider the net cell reaction below:    Mn2+ + 2 Fe2+  ⇌  Mn + 2 Fe3+   Mn2+ + 2e–  →  Mn –1.05 V Fe2+ + 2e–  →  Fe –0.44 V Fe3+ + 3e–  →  Fe –0.04 V Fe3+ + e–  →  Fe2+ +0.77 V Mn3+ + e–  →  Mn2+ +1.51 V R = 8.314 J/mol∙K F = 96,485 J/mol∙V A. What is the value of the standard cell potential, Eocell (in V)? a. -1.82 b. -1.01 c, +2.28 d. -0.28 e. +0.49 f. -1.49 B. What is the Keq value for the reaction at 298 K?  a. 1.33 x 1077 b. 3.98 x 10-51 c. 3.38 x 10-10 d. 3.76 x 1016  e. 2.74 x 10-62 f. 6.85 x 10-35

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section17.4: Voltaic Cells And Cell Potential
Problem 17.4PSP: Given this reaction, its standard potential, and the standard half-cell potential of 0.34 V for the...
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onsider the net cell reaction below: 

 

Mn2+ + 2 Fe2+  ⇌  Mn + 2 Fe3+

 

Mn2+ + 2e–  →  Mn

–1.05 V

Fe2+ + 2e–  →  Fe

–0.44 V

Fe3+ + 3e–  →  Fe

–0.04 V

Fe3+ + e–  →  Fe2+

+0.77 V

Mn3+ + e–  →  Mn2+

+1.51 V

R = 8.314 J/mol∙K

F = 96,485 J/mol∙V

A. What is the value of the standard cell potential, Eocell (in V)?

a. -1.82 b. -1.01 c, +2.28 d. -0.28 e. +0.49 f. -1.49

B. What is the Keq value for the reaction at 298 K? 

a. 1.33 x 1077 b. 3.98 x 10-51 c. 3.38 x 10-10 d. 3.76 x 1016 

e. 2.74 x 10-62 f. 6.85 x 10-35

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