Initially a mixture contains 0.629 mol each of N2 and O2 in an 6.64-L vessel. Find the composition of the mixture when equilibrium is reached at 3900°C. For the reaction below, the Kc = 0.0123 at 3900°C.
N2(g) + O2(g) <==> 2 NO(g)
[N2] (M)
[O2] (M)
[NO] (M)