half-reaction standard reduction potential 2+ Zn (aq)+2e Zn(s) E =-0.763 V red HNO,(aq)+H (aq)+e NO(g)+ H,O(1) E= +1.00 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 O happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written.

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 135CWP: Consider a galvanic cell based on the following half-reactions: a. What is the expected cell...
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A chemist designs a galvanic cell that uses these two half-reactions:
half-reaction
standard reduction potential
2+
Zn (aq)+2e
Zn(s)
E
=-0.763 V
red
HNO2(aq)+H"(aq)+e
NO(g)+ H,O(1)
E=+1.00 V
red
Answer the following questions about this cell.
Write a balanced
equation for the
half-reaction that
happens at the
cathode.
e
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
spontaneous as
written.
Explanation
Check
stv
Transcribed Image Text:A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential 2+ Zn (aq)+2e Zn(s) E =-0.763 V red HNO2(aq)+H"(aq)+e NO(g)+ H,O(1) E=+1.00 V red Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. e 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 spontaneous as written. Explanation Check stv
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
Ov
enter your answer
here. Round your
answer to 3
significant digits.
Explanation
Check
stv
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 Ov enter your answer here. Round your answer to 3 significant digits. Explanation Check stv
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