Answer to Question #185851 in General Chemistry for Aich80

Question #185851

A cell using Zn/Zn+2(aq, 1M) and H2/ H+1(aq, 1M) generates a cell potential of +0.67 V under standard conditions.


A. Write the half-cell reaction at the anode.

B. Write the half-cell reaction at the cathode.

C. Write the electrochemical cell notation.

D. Calculate the standard reduction potential at the anode.



1
Expert's answer
2021-05-03T07:44:30-0400

Zn(s) + 2 H+(aq)  Zn2+(aq) + H2(g)

  • It can be formally divided into separate oxidation and reduction half-reactions.

Oxidation:Zn  Zn2+ + 2 e-Reduction:2 H+ + 2 e-  H2



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