A mixture of 1.57 mol of N2,1.92 mol of H2 and 8.13 mol of NH3 is introduced in a 20L reaction vessel at 500K.At this temperature the equilibrium constant, Kc for the reaction N2 (g)+3H2(g)⇌2NH3(g) is 1.7×10^2. Is the reaction mixture at equilibrium? If not what is the direction of net reaction?