Question

Shown below are two reduction half-reactions for nicotinamide adenine dinucleotide (NAD+) and oxaloacetate and their electrode potentials:

NAD+(aq) + 2H+(aq) + 2e---->NADH(aq) + H+(aq) Eo=-0.320 V

Oxaloacetate2-(aq) + 2H+(aq) + 2e---->malate2-(aq) Eo=-0.166 V

Determine the Eocell for the following equation, and predict if the reaction is thermodynamically favored.

Oxaloacetate2-(aq) + NADH(aq) + H+(aq)--->NAD+(aq) + malate2-(aq)

A)-0.486 V, not thermodynamically favored
B)0.154 V, thermodynamically favored
C)0.486 V, thermodynamically favored
D)-0.154 V, not thermodynamically favored

Answer 1

Answer:

The answer is C. 0.486V , thermodynamically favoured

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