What is the standard cell potential (V) for the spontaneous voltaic cell formed from the given half-reactions? Reduction Half-Reaction EĀ°red (V) Cd2+ (aq) + 2 e- ? Cd (s) -0.40 Cu2+ (aq) + 2 e- ? Cu (s) +0.34
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What is the standard cell potential (V) for the spontaneous voltaic cell formed from the given half-reactions? Reduction Half-Reaction EĀ°red (V) Anode: Fe2+ (aq) + 2e- ā Fe(s) -0.41 Cathode: Cl2 (g) + 2e- ā 2Cl- (aq) 1.36
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What is the balanced spontaneous reaction and standard cell potential of an electrochemical cell (as a working voltaic cell) constructed from half cells with the following half reactions (based on the standard reduction potentials)? Pb2+(aq) + 2e- ā Pb(s) EĀ° = -0.126V Fe3+(aq) + e- ā Fe2+(s) EĀ° = +0.771 V a. Pb2+(aq) + 2 Fe2+(s) ā Pb(s) + 2 Fe3+(aq) Eocell = +0.897 V b. Pb(s) + Fe3+(aq) ā Pb2+(aq) + Fe2+(s) Eocell = +0.645 V c. None of the answers is correct. d. Pb2+(aq) + Fe2+(s) ā Pb(s) + Fe3+(aq) Eocell = +0.645 V e. Pb(s) + 2 Fe3+(aq) ā Pb2+(aq) + 2 Fe2+(s) Eocell = +0.897 V f. Pb(s) + 2 Fe3+(aq) ā Pb2+(aq) + 2 Fe2+(s) Eocell = +1.416 V
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