Please circle the ONE best answer: 1. The value of Kp for the reaction: 2 NO2 (g) N2O4 (g) is 1.52 at 319 K. What is the value of Kp at this temperature for the reaction N2O4 (g) 2 NO (g)? A) 0.658 2. b) 5.74 x 10-4 c) 1.23 d) 1.74 x 103 NH3 (g) + HCl (g). At a certain temperature, Kp = 25 for the reaction: NH4Cl (s) What is the total pressure, in at, of the gases at equilibrium?