The reaction: PCl5(g) U PCl3(g) + Cl2(g) has the equilibrium constant value Kc = 0.24 at 300 °C.
a. Is the following reaction mixture at equilibrium? [PCl5] = 5.0 mol/L, [PCl3] = 2.5 mol/L, [Cl2] = 1.9 mol/L.
b . Predict the direction in which the system will react to reach equilibrium.