For the subsequent calculate Delta E'o the voltmeter reading, state balanced oxidation and reduction half-reactions, State the overall cell reaction as well as tell which way the electrons are flowing through the wire. Please explain and show all work to receive credit.
a) 10-7 M H+, 1 atm H2 vs 1 M H+, 1 atm H2
b) Dehydroascorbate, ascorbate vs Fe3+ , Fe2+