Cu(s) | Cu2+(0.10M) || H+ (0.20M), MnO4-(0.35M), Mn2+(0.15M) | C(s)

Determine the cell potential.
ii. Is this reaction spontaneous? Prove using ∆G.
iii. The equilibrium constant can also be found from Standard Cell Potentials. Eventually the cell will reach equilibrium.
In layman’s terms we say, “The battery is dead”. This means that ∆G = 0. This also means that Ecell = 0.00V. Substituting this value into the Nernst equation and then changing Q to K, find the equilibrium constant for this reaction.

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