One half-cell contains a copper wire dipped into a 1.08 M solution of CUNO3. Another half-cell contains an indium electrode in a 2.4x10-4 M solution of In(NO3)3.Calculate the standard potential when the half-cells are connected together for a voltaic (galvanic cell). Enter your answer to 2 decimal places.Reductionhalf-reactionE° (V)Au* (aq) +e+ Au(s)1.69Ag*(aq) +e- Ag(s)0.80Cu* (aq) +e+ Cu(s)0.52Cu+ (aq) + 2e+ Cu(s)0.32Ph2+(aq) + 2e+ Pb(s) -0.13Sn2+(aq) + 2e+ Sn(s)-0.14Ni2+ (aq) + 2e+ Ni(s)-0.23Co+ (aq) + 2e+ Co(s)-0.28In3+ (aq) + 3eIn(s)-0.34Cd2+(aq) + 2e+ Cd(s)-0.40Fe+ (aq) + 2e+ Fe(s)-0.45Cr* (aq) + 3e+ Cr(s)-0.73Zn2+ (aq) + 2e+ Zn(s) -0.760.66

The cell potential measured under standard condition of 1 atm pressure 1 M concentration and 250C,…

Cu* (aq) +e + Cu(s) 0.52 Cu2+ (aq) + 2e Cu(s) 0.32 Pb2+ (aq) + 2e Pb(s) -0.13 Sn+ (aq) + 2e Sn(s) -0.14 Ni?+ (aq) + 2e Ni(s) -0.23 Co+ (aq) + 2e + Co(s) -0.28 In+ (aq) + 3e In(s) -0.34 Cd2+ (aq) + 2e Cd(s) -0.40 Fe+ (aq) + 2e Fe(s) -0.45 Crt (aq) + 3e Cr(s) -0.73 Zn2+ (aq) + 2e - Zn(s) -0.76

Cu* (aq) +e + Cu(s) 0.52 Cu2+ (aq) + 2e Cu(s) 0.32 Pb2+ (aq) + 2e Pb(s) -0.13 Sn+ (aq) + 2e Sn(s) -0.14 Ni?+ (aq) + 2e Ni(s) -0.23 Co+ (aq) + 2e + Co(s) -0.28 In+ (aq) + 3e In(s) -0.34 Cd2+ (aq) + 2e Cd(s) -0.40 Fe+ (aq) + 2e Fe(s) -0.45 Crt (aq) + 3e Cr(s) -0.73 Zn2+ (aq) + 2e - Zn(s) -0.76

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 18.49QE: A half-cell that consists of a copper wire in a 1.00 M Cu(NO3)2 solution is connected by a salt...

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Question

One half-cell contains a copper wire dipped into a 1.08 M solution of CUNO3. Another half-cell contains an indium electrode in a 2.4x10-4 M solution of In(NO3)3.
Calculate the standard potential when the half-cells are connected together for a voltaic (galvanic cell). Enter your answer to 2 decimal places.
Reduction
half-reaction
E° (V)
Au* (aq) +e
+ Au(s)
1.69
Ag*(aq) +e
- Ag(s)
0.80
Cu* (aq) +e
+ Cu(s)
0.52
Cu+ (aq) + 2e
+ Cu(s)
0.32
Ph2+
(aq) + 2e
+ Pb(s) -0.13
Sn2+
(aq) + 2e
+ Sn(s)
-0.14
Ni2+ (aq) + 2e
+ Ni(s)
-0.23
Co+ (aq) + 2e
+ Co(s)
-0.28
In3+ (aq) + 3e
In(s)
-0.34
Cd2+(aq) + 2e
+ Cd(s)
-0.40
Fe+ (aq) + 2e
+ Fe(s)
-0.45
Cr* (aq) + 3e
+ Cr(s)
-0.73
Zn2+ (aq) + 2e
+ Zn(s) -0.76
0.66

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