For the reaction 2NO2(g)+12O2(g)⇌N2O5(g) if the equilibrium constant is K p ,  then the equilibrium constant for the reaction  2 N2O5(g)⇌4NO2(g)+O2(g) would be:

For the reaction 2NO2(g)+12O2(g)⇌N2O5(g) if the equilibrium constant is K p ,  then the equilibrium constant for the reaction  2 N2O5(g)⇌4NO2(g)+O2(g) would be:Kp1 =1Kp2