For the reversible reaction, N2(g) + 3H2(g) ⇋ 2NH3(g) at 500°C , the value of Kp is 1.44 x 10^-5 when partial pressure is measured in atmosphere. The corresponding value of Kc , with concentration in mole/litre is For the reversible reaction N2(g) + 3H2(g) ⇋ 2NH3(g) at 500°C the value of Kp is 1.44 [...]