Since ΔG° = -RTlnK

• a 10-fold increase in K decreases ΔG° by about 10-fold
• a 10-fold decrease in K decreases ΔG° by about 2.3*RT
• a 10-fold increase in K decreases ΔG° by about 2.3*RT
• a 10-fold decrease in K increases ΔG° by about 10-fold