20. Electrochemistry
Cell Potential and Gibbs Free Energy
8PRACTICE PROBLEM
Using the following reduction half-reactions:
Ag+(aq) + e− → Ag(s) E°red = 0.80 V
SO42−(aq) + 4 H+(aq) + 2 e− → H2SO3(aq) + H2O(l) E°red = 0.20 V
What is the change in Gibbs free energy for the oxidation of Ag(s) by SO42−(aq) at 298 K using the following reduction half-reactions?
Using the following reduction half-reactions:
Ag+(aq) + e− → Ag(s) E°red = 0.80 V
SO42−(aq) + 4 H+(aq) + 2 e− → H2SO3(aq) + H2O(l) E°red = 0.20 V
What is the change in Gibbs free energy for the oxidation of Ag(s) by SO42−(aq) at 298 K using the following reduction half-reactions?