A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential O2(9)+4H (aq)+4e 2 H,O(1) E =+1.23 V red %3D Zn (aq)+2e 2+ Zn(s) E -0.763 V red Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential O2(9)+4H (aq)+4e 2 H,O(1) E =+1.23 V red %3D Zn (aq)+2e 2+ Zn(s) E -0.763 V red Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is
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 59P
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Question
Transcribed Image Text:A chemist designs a galvanic cell that uses these two half-reactions:
half-reaction
standard reduction potential
O2(9)+4H (aq)+4e
2 H,0(1)
= +1.23 V
red
2+
Zn (aq)+2e
Zn(s)
E=-0.763 V
red
Answer the following questions about this cell.
Write a balanced
equation for the
half-reaction that
happens at the
cathode.
e
x10
Write a balanced
equation for the
half-reaction that
happens at the
anode.
Write a balanced
equation for the
overall reaction
that powers the
cell. Be sure the
reaction is
Transcribed Image Text:Write a balanced
equation for the
overall reaction
that powers the
cell. Be sure the
reaction is
spontaneous as
written.
Do you have
enough
information to
O Yes
calculate the cell
voltage under
standard
O No
conditions?
If you said it was
possible to
calculate the cell
voltage, do so and
enter your answer|V
here. Be sure your
answer has the
correct number of
significant digits.
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