A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential 2 H20(1)+2e H,(9)+2ОН (аq) E=-0.83 V red Cu 2+ (aq)+e Ered - Cu (aq) +0.153 V 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 spontaneous as written.

Question
A chemist designs a galvanic cell that uses these two half-reactions:
half-reaction
standard reduction potential
2 H20(1)+2e
H,(9)+2ОН (аq)
E=-0.83 V
red
Cu 2+
(aq)+e
Ered
- Cu (aq)
+0.153 V
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
spontaneous as
written.
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Transcribed Image Text

A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential 2 H20(1)+2e H,(9)+2ОН (аq) E=-0.83 V red Cu 2+ (aq)+e Ered - Cu (aq) +0.153 V 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 spontaneous as written.

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