At a particular temperature a 2.00L flask at equilibrium contains 3.90104 moles of N2, 2.50105 moles of O2, and 2.00102 moles of N2O. Calculate K at this temperature for the reaction 2N2(g)+O2(g)2N2O(g) K= If [N2]=2.00104M,[N2O]=0.200M,and [O2]=0.00475M, does this represent a system at equilibrium