At 600K, 2 mol of NO are mixed with 1 mol of O2.
2NO(g) + O2 (g) \(⇄\) 2 NO2 (g)
The reaction occurring as above comes to equilibrium under a total pressure of 1 atom. Analysis of the system shows that 0.6 mol of oxygen are present at equilibrium. The equilibrium constant for the reaction is _____. (Nearest integer)
