Subsequent to a mixture of hydrogen and nitrogen gases in a reaction vessel is allowed to attain equilibrium at 472 degrees C, it is found to contain 7.38atm H2, 2.46atm N2, and 0.166atm NH3. From these data Compute the equilibrium constant Kp for the reaction N2 (g) + 3 H2 (g) <--> 2 NH3 (g).