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A voltaic cell has the following initial state: Cr (s) | Cr (aq, 2.0 M)|| C* (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 E° (V) half-reaction

A voltaic cell has the following initial state: Cr (s) | Cr (aq, 2.0 M)|| C* (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 E° (V) half-reaction

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter19: Principles Of Chemical Reactivity: Electron Transfer Reactions
Section: Chapter Questions
Problem 86GQ
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A voltaic cell has the following initial state: Cr (s) | Cr* (ag, 2.0 M) || C³* (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 E° (V) half-reaction Au* (aq) +e + Au(s) 1.69 Ag (aq) + e Cu" (aq) +e Cu" (aq) + 2e + Cu(s) Pb+ (aq) + 2e + Ag(s) + Cu(s) 0.80 0.52 0.32 + Pb(s) -0.13 (aq) + 2e Ni2+ (aq) + 2e + Sn(s) -0.14 + Ni(s) -0.23 Co*(aq) + 2e + Co(s) -0.28 In (aq) + 3e Ca2* (aq) + 2e + In(s) -0.34 + Cd(s) -0.40 + Fe(s) -0.45 Fe (aq) + 2e Cr* (aq) + 3e + Cr(s) -0.73 + Zn(s) -0.76 Zn* (aq) + 2e
Transcribed Image Text:A voltaic cell has the following initial state: Cr (s) | Cr* (ag, 2.0 M) || C³* (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 E° (V) half-reaction Au* (aq) +e + Au(s) 1.69 Ag (aq) + e Cu" (aq) +e Cu" (aq) + 2e + Cu(s) Pb+ (aq) + 2e + Ag(s) + Cu(s) 0.80 0.52 0.32 + Pb(s) -0.13 (aq) + 2e Ni2+ (aq) + 2e + Sn(s) -0.14 + Ni(s) -0.23 Co*(aq) + 2e + Co(s) -0.28 In (aq) + 3e Ca2* (aq) + 2e + In(s) -0.34 + Cd(s) -0.40 + Fe(s) -0.45 Fe (aq) + 2e Cr* (aq) + 3e + Cr(s) -0.73 + Zn(s) -0.76 Zn* (aq) + 2e
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