Phosphorous trichloride and phosphorous pentachloride equilibrate in the presence of molecular chlorine according to the reaction: pcl3 (g) + cl2 (g) → pcl5 (g) an equilibrium mixture at 450 k contains ppcl3 = 0.348 atm, pcl2 = 0.441 atm, and ppcl5 = 10.24 atm. what is the value of kp at this temperature? phosphorous trichloride and phosphorous pentachloride equilibrate in the presence of molecular chlorine according to the reaction: (g) + (g) (g) an equilibrium mixture at 450 k contains = 0.348 atm, = 0.441 atm, and = 10.24 atm. what is the value of kp at this temperature? 66.7 1.50 ⋅ 10−2 12.99 1.57 9.45