A voltaic cell has the following initial state: Cr (s) | Cr3 (aq, 2.0 M) || Cr3* (aq, 9.0 M) | Cr (s) Each half-cell has a volume of 1.00 L. Calculate the number of hours the cell can run at 26 A before reaching equilibrium. Enter your answer to 1 decimal place.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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A voltaic cell has the following initial state:
Cr (s) | Cr3 (aq, 2.0 M) || Cr* (aq, 9.0 M) | Cr (s)
Each half-cell has a volume of 1.00 L. Calculate the number of hours the cell can run
at 26 A before reaching equilibrium. Enter your answer to 1 decimal place.
Reduction
half-reaction
E (V)
Au (aq)+e
+ Au(s)
1.69
+ Ag(s)
+ Cu(s)
Ag (aq) + e
0.80
Cu (aq) +e
0.52
Cu (aq) + 2e
+ Cu(s)
0.32
Ph2+
(aq)+2e
+ Pb(s) -0.13
+ Sn(s) -0.14
(aq)+ 2e
Ni2+ (aq) + 2e
Co+(aq) + 2e
Sn2+
+ Ni(s) -0.23
+ Co(s) -0.28
In+ (aq) + 3e
+ In(s)
-0.34
Ca (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
Transcribed Image Text:A voltaic cell has the following initial state: Cr (s) | Cr3 (aq, 2.0 M) || Cr* (aq, 9.0 M) | Cr (s) Each half-cell has a volume of 1.00 L. Calculate the number of hours the cell can run at 26 A before reaching equilibrium. Enter your answer to 1 decimal place. Reduction half-reaction E (V) Au (aq)+e + Au(s) 1.69 + Ag(s) + Cu(s) Ag (aq) + e 0.80 Cu (aq) +e 0.52 Cu (aq) + 2e + Cu(s) 0.32 Ph2+ (aq)+2e + Pb(s) -0.13 + Sn(s) -0.14 (aq)+ 2e Ni2+ (aq) + 2e Co+(aq) + 2e Sn2+ + Ni(s) -0.23 + Co(s) -0.28 In+ (aq) + 3e + In(s) -0.34 Ca (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
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