Consider 2A (9) +B (g) C (g) + 2D (g) reaction, assuming all reactants and products are ideal gases. Initially, 2.0 mol of A, 1.0 mol of B, and 2.0 mol of C are placed in a 1.0-liter container. After equilibrium has been established at 300 K, 0.4 mol of D is found in the container. Calculate the equilibrium constant Kp for the reaction