under standard-state conditions: Cu(s), Pb(s), Ni(s). 87 Consider the following substances: Fe?+(aq), Cd²+(aq), Cr,0, (aq).Which is the strongest oxidizing agent? Which is the weakest oxidizing agent? 33 Consider the following substances: Fe2+ (aq), Pb²+ (aq), Zn²* (aq).
under standard-state conditions: Cu(s), Pb(s), Ni(s). 87 Consider the following substances: Fe?+(aq), Cd²+(aq), Cr,0, (aq).Which is the strongest oxidizing agent? Which is the weakest oxidizing agent? 33 Consider the following substances: Fe2+ (aq), Pb²+ (aq), Zn²* (aq).
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 76AP
Related questions
Question
18.84
Transcribed Image Text:ing streng
Pb²+(aq).
18.81 List the following reducing agents in order of increasing strength
under standard-state conditions: Cu(s), Pb(s), Ni(s).
18.82 Consider the following substances: Fe?+(aq), Cd²*(aq),
Cr,O,²-(aq).Which is the strongest oxidizing agent? Which is the
weakest oxidizing agent?
18.83 Consider the following substances: Fe2+ (aq), Pb²+(aq), Zn²+(aq).
Identify the strongest reducing agent and the weakest reducing
agent.
18.84 Given the following half-reactions, combine the two that give the
cell reaction with the most positive E°. Write a balanced equation
for the cell reaction, and calculate E° and AG°.
Co2* (aq) + 2 e
Co(s)
21(aq)
E° = -0.28 V
L(s) + 2 e
E° = 0.54 V
Cư²*(aq) + 2 e
→ Cu(s)
18.85 Combine the two half-reactions in Problem 18.84 that give the
E°
0.34 V
spontaneous cell reaction with the smallest E°. Write a balanced
equation for the cell reaction, and calculate E° and AG°.
18.86 Calculate the standard cell potential and the standard free-enei
change (in kilojouler) fou tl
+1
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