Question

In a carbon (graphite)/oxygen fuel cell the cathodic reaction is O2(g) + 4

e- = 2 O2- and the anodic one is CO2(g) + 4 e- = C(s) + 2 O2-. If one uses data from Chapter 10: Data Section, the standard electrode potential difference of the fuel cell at 1000 K and 1 bar is

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