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
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 133CWP: Consider a galvanic cell based on the following half-reactions: a. What is the expected cell...
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Question
![Part A
Calculate the standard cell potential for each of the following
electrochemical cells.
Standard Electrode Potentials at 25 °C
Ca2tag) + Mg(s)→Cd(s) + Mg²taq)
Reduction Half-Reaction
E°(V)
Express your answer using two decimal places and include the appropriate units.
Cd2 (ag) + 2 e- → Cd(s)
-0.40
Mg²(ag) + 2 e- → Mg(s)
-2.37
Templates Symbols uado redo resat keyboard shortcuts help
2 H (ад) + 2 е H2(9)
Zn2tag) + 2 e- → Zn(s)
Eo
Value
Units
-0.76
cell=
РЬ?ад) + 2 е > РЫ()
-0.13
NO3 (aq) + 4 H(aq) + 3 e → NO(g) + 2 H2O(1)
Submit
Request Answer
0.96
Part B
2H (aq) + Zn(s)→H2(g) + Zn²(ag)
Express your answer using two decimal places and include the appropriate units.
Templates Symbols undo redo reset keyboard shortcuts help
Ecell=
Value
Units
Submit
Request Answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc7745b53-124a-47c7-a654-ec99321bba2e%2F75701a16-5326-4fba-9e05-44ae8d4381cf%2Fsdryyhk_processed.png&w=3840&q=75)
Transcribed Image Text:Part A
Calculate the standard cell potential for each of the following
electrochemical cells.
Standard Electrode Potentials at 25 °C
Ca2tag) + Mg(s)→Cd(s) + Mg²taq)
Reduction Half-Reaction
E°(V)
Express your answer using two decimal places and include the appropriate units.
Cd2 (ag) + 2 e- → Cd(s)
-0.40
Mg²(ag) + 2 e- → Mg(s)
-2.37
Templates Symbols uado redo resat keyboard shortcuts help
2 H (ад) + 2 е H2(9)
Zn2tag) + 2 e- → Zn(s)
Eo
Value
Units
-0.76
cell=
РЬ?ад) + 2 е > РЫ()
-0.13
NO3 (aq) + 4 H(aq) + 3 e → NO(g) + 2 H2O(1)
Submit
Request Answer
0.96
Part B
2H (aq) + Zn(s)→H2(g) + Zn²(ag)
Express your answer using two decimal places and include the appropriate units.
Templates Symbols undo redo reset keyboard shortcuts help
Ecell=
Value
Units
Submit
Request Answer
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