• Georgia State University

• CHEM 1212

Chem 1212 Exam- 3_B Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [N2]eq =1.5 M, [H2]eq =1.1 M, [NH3]eq =0.47 M. N2(g) + 3 H2(g) 2 NH3(g) 1) A) 0.78 B) 0.28 C) 3.5 D) 0.11 E) 9.1 2) Calculate P [NO]eq, if P [NOCl]eq =0.33 atm, P [Cl2]eq =0.50 atm, and Kp =1.9 x 10- 2. 2 NOCl(g) 2 NO(g) +Cl2 (g) 2) A) 0.0042 atm B) 0.087 atm C) 0.30 atm D) 0.064 atm E) 1.7 atm 3) The equilibrium constant is given for two of the reactions below. Determine the value of the missing equilibrium constant. A(g) + B(g) AB(g) Kc =0.24 AB(g) + A(g) A2B(g) Kc =3.8 2 A(g) + B(g) A2B(g) Kc =? 3) A) 16 B) 0.63 C) 4.0 D) 0.91 E) 3.6 4) In which of the following reactions will Kc =Kp? 4) A) 4 NH3(g) + 3 O2(g) 2 N2(g) + 6 H2O(g) B) 2 SO2(g) + O2(g) 2 SO3(g) C) SO3(g) + NO(g) SO2(g) + NO2(g) D) 2 N2(g) + O2(g) 2 N2O(g) E) None of the ab