Given the following equilibrium constants at 427 °C: Na2O(s) <=> 2Na(l) + 1/2 O2(g) Kc = 2 x 10-25 NaO(g) <=> Na(l) + 1/2 O2(g) Kc = 2 x 10-5 Na2O2(s) <=> 2Na(l) + O2(g) Kc = 5 x 10-29 NaO2(s) <=> Na(l) + O2(g) Kc = 3 x 10-14 Determine the value for the equilibrium constant for 2NaO(g) <=> Na2O2(s)