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Gibb's free energy change and equilibrium constant

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The following reaction, which takes place just before the citric acid cycle, is catalyzed by the enzyme lactate dehydrogenase
CH3COCOO- + NADH + H+ <----> CH3CH(OH)COO- + NAD+

From the data listed in Table 7.2, calculate the value of Gibb's free energy change deltaG and the equilibrium constant for the reaction at 298 K.

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