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...
Related questions
Question
Please fill in the columns in table 2, given the answers in table 1. Please point out any errors in table 1
Givens: Potential for any half reaction involving silver is 0.00 V

Transcribed Image Text:CELL POTENTIAL
Electrode system used
in cell
Zn (s) | Zn²+ (aq) || Cu²+
(aq) | Cu (s)
Zn (s) | Zn²+ (aq) || Fe³+
(aq)| Fe2+ (s) | graphite
Cu (s) | Cu²+ (aq) || Ag+
(aq) | Ag (s)
Zn (s) | Zn²+ (aq) || Ag+
(aq) | Ag (s)
Zn (s) | Zn²+ (aq) || 12 (s) |
1- (aq) | graphite
Fe2+ (s) | Fe3+ (aq) || Br₂
(1) | Br- (aq) | graphite
CI- (aq) | Cl₂ (g, 1 atm) || |
Br2 (1) | Br- (aq) | graphite
Cell
Negative
Potential (V) Electrode
0.825 Zn
0.407 Zn
0.413 Cu
1.250 Zn
1.025 Zn
0.408 Fe
0.103 CI
TABLE OF ELECTRODE POTENTIALS
Eo Reduction (EºAg+,Ag =
0.00 V)
Electrode Reaction in
Reduction
Oxidation
Reaction
Zn (s)->
Zn²+ + 2e
Zn (s)->
Zn²+ + 2e
Cu (s)->
Cu²+ (aq) +
2e
Zn (s)->
Zn²+ + 2e
Zn (s)->
Zn²+ + 2e
Fe2+ (s)->
Fe³+ + e
CI- (aq) ->
Cl₂ (g, 1 atm)
Reduction Eº
Eº
Oxida Reaction Reduction
tion
(M)
M
1.25 Cu²+ (aq)
+ 2e ->
Cu (s)
1.25 Fe³+ (aq)
-> Fe²+
(s)
0.413 Ag+ (aq) +
e > Ag
(s)
1.25 Ag+ (aq) +
e -> Ag
(s)
1.25 12 (s) + e
0.843 Br2 (1) + e
-> Br-
(aq)
0.538
-> 1- (aq)
Eº Reduction (EºH¹,H₂ =
0.00 V)
Br2 (1) ->
Br- (aq) +
e
-0.425
-0.843
0.00
0.00
-0.225
-0.435
-0.435
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