Problem: One process catalyzed by NADH dehydrogenase isNADH + H+ + ubiquinone ⇌ NAD+ + ubiquinolThe standard reduction potentials for the half-reactions are given in the table:Oxidant                                    Reductant                E0'(V)       ubiquinone + 2H+ + 2e-              ubiquinol                  0.045NAD+ + H+ + 2e-                             NADH                       -0.32Calculate ΔE0' for the reaction as shown: Calculate ΔG0': 

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Given reaction: NADH + H++ ubiquinone NAD+ + ubiquinol


For E°cell:


E°cell=E°cathode-E°anode

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Problem Details

One process catalyzed by NADH dehydrogenase is

NADH + H+ + ubiquinone ⇌ NAD+ + ubiquinol

The standard reduction potentials for the half-reactions are given in the table:


Oxidant                                    Reductant                E0'(V)       

ubiquinone + 2H+ + 2e-              ubiquinol                  0.045

NAD+ + H+ 2e-                             NADH                       -0.32


Calculate ΔE0' for the reaction as shown: 

Calculate ΔG0':