Consider the following reactions. Are they spontaneous in the direction written, under standard conditions at 25°C? Standard electrode potentials in aqueous solution at 25°C are: Standard Electrode (Reduction) Potentials in Aqueous Solution at 25°C Cathode (Reduction) Standard Half-Reaction Potential, E (V) Ce+ (aq) +e Ce (ag) 1.44 3+ Co (ag) + e H Co (aq) 1.82 O2 (g) + 4H (aq) + 4e 2H20(1) 1.23 S2Og (ag) +2e 2S0, (ag) 2.01 a. Ce+ (aq) + Co2+ (aq) Ce (ag) + Co (ag) spontaneous nonspontaneous b. 2S2Os (ag) + 2H;0(1) → 4SO,² (aq) + O2 (g) + 4H* (ag) spontaneous O nonspontaneous

Consider the following reactions. Are they spontaneous in the direction written, under standard conditions at 25°C? Standard electrode potentials in aqueous solution at 25°C are: Standard Electrode (Reduction) Potentials in Aqueous Solution at 25°C Cathode (Reduction) Standard Half-Reaction Potential, E (V) Ce+ (aq) +e Ce (ag) 1.44 3+ Co (ag) + e H Co (aq) 1.82 O2 (g) + 4H (aq) + 4e 2H20(1) 1.23 S2Og (ag) +2e 2S0, (ag) 2.01 a. Ce+ (aq) + Co2+ (aq) Ce (ag) + Co (ag) spontaneous nonspontaneous b. 2S2Os (ag) + 2H;0(1) → 4SO,² (aq) + O2 (g) + 4H* (ag) spontaneous O nonspontaneous

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 59P

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