80. Given Cu2O(s) + 1/2O2(g) → 2CuO(s), ΔH° = −144 kJ and Cu2O(s) → Cu(s) + CuO(s), ΔH° = +11 kJCalculate the standard enthalpy of formation of CuO(s).
(A) −155 kJ
(B) +299 kJ
(C) +155 kJ
(D) −299 kJ
(E) −166 kJ