A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential MnO, (aq)+ 8 H"(aq)+5e - Mn"(aq)+4 H,O(1) Ered =+1.51 V Br2(1)+2e - 2 Br (aq) E red=+1.065 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.
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential MnO, (aq)+ 8 H"(aq)+5e - Mn"(aq)+4 H,O(1) Ered =+1.51 V Br2(1)+2e - 2 Br (aq) E red=+1.065 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.
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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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+
MnO, (aq)+8 H"(aq)+5e
- Mn"(aq)+4 H,O(1)
E=+1.51 V
'red
Br,(1)+2e
- 2 Br (aq)
E.
red
=+1.065 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.
Transcribed Image Text:Do you have
enough
information to
Yes
calculate the cell
voltage under
standard
No
conditions?
If you said it was
possible to
calculate the celI
voltage, do so and
enter your answer Ov
here. Be sure your
answer has the
correct number of
significant digits.
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