Question

For the following reactions and given standard reduction potentials O2(g) + 4H+(aq) + 2Cu(s)  2Cu2+(aq)...

For the following reactions and given standard reduction potentials

O2(g) + 4H+(aq) + 2Cu(s)  2Cu2+(aq) + 2H2O(l)

O2(g) + 4H+(aq) + 4e-  2H2O(l)       E° = 1.23 V

Cu2+ + 2e-  Cu(s)    E° = 0.34 V

a. Calculate E°cell

b. Calculate ΔG° at 254 K

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