Give the balanced cell equation and determine e° for the galvanic cells based on the following half-reactions. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.)

Give the balanced cell equation and determine e° for the galvanic cells based on the following half-reactions. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.)

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

Give the balanced cell equation and determine e° for the galvanic cells based on the following half-reactions.
(Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed,
leave it blank.)
а.
H2O2 + 2H+ + 2e¯ →2H20
Cr2 O72- + 14H† + 6e¯ →2 Cr3+ + 7H2O ɛ° = 1.33 V
ɛ° = 1.78 V
V
%|
+
+
+
2H+ + 2e →H2 ɛ°
La
+ 3e→La ɛ° = -2.37 V
0.00 V
3+
V
+
+
1
b.

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