Question

The decomposition of ammonia is: 2 NH3(g) ⇌ N2(g) + 3 H2(g). If the partial pressure of ammonia is 0.004 atm and the partial pressures of N2 and H2 are each 0.729 atm at equilibrium, what is the valu

e for Kp at 400°C for the forward reaction?