A chemist designs a galvanic cell that uses these two half-reactions:half-reactionstandard reduction potential2+Zn (aq)+2e→ Zn(s)=-0.763 VredMnO2(s)+4 H (aq)+2e2+Mn" (aq)+2 H,O(1)E=+1.23 VredAnswer the following questions about this cell.Write a balancedequation for thehalf-reaction thathappens at thecathode.Write a balancedequation for thehalf-reaction thathappens at theanode.Write a balancedequation for theoverall reactionthat powers thecell. Be sure thereaction isspontaneous aswritten.Do you haveenoughinformation tocalculate the cellvoltage underYesI Don't KnowSubmit02022 McGraw Hill LLC. All Rights Reserved equation for thehalf-reaction thathappens at theanode.Write a balancedequation for theoverall reactionthat powers thecell. Be sure thereaction isspontaneous aswritten.Do you haveenoughinformation toO Yescalculate the cellvoltage understandardO Noconditions?If you said it waspossible tocalculate the cellvoltage, do so andenter your answerhere. Round youranswer to 3significant digits.I Don't KnowSubmit2022 McGraw Hill LLC. AllRights

The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

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 MnO2(s)+4 H (aq)+2e 2+ - Mn (aq)+2 H,O(1) E=+1.23 V red Answer the following questions about this cell. Write a balanced equation for the half-reaction that O-0 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. Do you have enough information to calculate the cell voltage under O Yes

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 MnO2(s)+4 H (aq)+2e 2+ - Mn (aq)+2 H,O(1) E=+1.23 V red Answer the following questions about this cell. Write a balanced equation for the half-reaction that O-0 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. Do you have enough information to calculate the cell voltage under O Yes

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

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 133CWP: Consider a galvanic cell based on the following half-reactions: a. What is the expected cell...

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Concept explainers

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.

Question

A chemist designs a galvanic cell that uses these two half-reactions:
half-reaction
standard reduction potential
2+
Zn (aq)+2e
→ Zn(s)
=-0.763 V
red
MnO2(s)+4 H (aq)+2e
2+
Mn" (aq)+2 H,O(1)
E=+1.23 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
spontaneous as
written.
Do you have
enough
information to
calculate the cell
voltage under
Yes
I Don't Know
Submit
02022 McGraw Hill LLC. All Rights Reserved

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.
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
here. Round your
answer to 3
significant digits.
I Don't Know
Submit
2022 McGraw Hill LLC. AllRights

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