Consider a general reaction

A(aq)⥫enzyme⥬B(aq)

The Δ°′ of the reaction is −9.660 kJ·mol−1 . Calculate the equilibrium constant for the reaction at 25 °C.

What is Δ for the reaction at body temperature (37.0 °C) if the concentration of A is 1.6 M and the concentration of B is 0.50 M ?