Question
How is ∆rG0 related to the equilibrium constant K?
Solution
The standard free energy change ∆rG0 of a reaction is related to the equilibrium constant (K) by the relation,

where R is the gas constant (= 8.314 JK–1 mol–1); T is the temperature in kelvin.

where R is the gas constant (= 8.314 JK–1 mol–1); T is the temperature in kelvin.