Trndnhn86ygo Trndnhn86ygo Chemistry Answered Calculate the standard free energy change(AG) of the MnO₂/MnO4 and Cu/Cu²+ voltaic cell given the following. MnO4 (aq) + 4 H*(aq) + 3 e -> MnO₂(s) + 2 H₂O(l) .034 Cu²+ (aq) + 2 e → Cu(s) 1.68 F = 96485 C/mol e