Determine values of ΔG° and equilibrium constant K at 25°C for the following reaction catalyzed by the enzyme carbonic anhydrase in red blood cells: CO2(g) + H2O(l) ⇌ H2CO3(aq) given that ΔHf°(CO2) = -110.53 kj/mol, ΔHf° (H2O) = -285.83 kj/mol, ΔHf° (H2CO3) = -699.65 kj/mol and Sm°(CO2) = 213.74 J/Kmol, Sm° (H2O) = 69.91 J/Kmol, Sm° (H2CO3) = 187.4 J/Kmol.

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