Given these data at a certain temperature, 2N2(g) + O2(g) ⇆ 2N2O(g) K1 = 1.8×10-35 N2O4(g) ⇆ 2NO2(g) K2 = 3.2×10-3 1/2N2(g) + O2(g) ⇆ NO2(g) K3 = 5.1×10-9 calculate K for the reaction between 1 mol dinitrogen oxide gas and oxygen gas to give dinitrogen tetraoxide gas.