Determine K for a reaction at 200 K if ∆G° =22.7 kJ/mol. (R = 8.314 J/mol ･ K)

Question

Determine K for a reaction at 200 K if ∆G° =22.7 kJ/mol. (R = 8.314 J/mol ･ K)

Answer 1

∆G = -RT ln K

22.7 kJ/mol = -(0.008314 kJ/mol K)(200K) ln K

ln K = 22.7 / -1.66 = -13.67

K = 1.16x10^-6