The following equilibria are given: N2 +3H2 ⇋ 2NH3 K1 ; N2 + O2 ⇋ 2NO K2 ; H2 + 12 O2 ⇋ H2OK3 ;
The Equilibrium constant for the reaction 2NH3 + 52 O2 ⇋ 2NO + 3H2 O in terms of K1, K2 and K3 is: