9. Which of the following depicts the activation energy (Ea) for the catalyzed forward reaction? (5 points) Circle One: a) A b) B c) C d) B+C e) AB 10. The equilibrium constant is given for two of the reactions below. Determine the value of the missing equilibrium constant. (5 points) A(g)+2B(g)AB2(g)AB3(g)AB2(g)+B(g)A(g)+3B(g)AB3(g)Kc=59Kc=0.12Kc=? a. 3.5105 b. 2.8104 c. 0.12 d. 8.1 e. 492 11. Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [N2]=3.6M,[O2]=4.1M,[N2O]=3.31018M. (5 points) 2N2(g)+O2(g)2N2O(g) a. 2.01037 b. 5.01036 c. 4.51018 d. 2.21019 e. 4.91017