(20 points) Using Hess’s Law, Calculate ΔHrxn for the follow…
(20 points) Using Hess’s Law, Calculate ΔHrxn for the following reaction in kJ: CaO(s) + CO2 (g) → CaCO3(s) Given: Ca(s) + CO2(g) + ½ O2(g) → CaCO3(s) ΔH = –812.8 kJ 2 Ca(s) + O2 → 2 CaO(s) ΔH = –1269.8 kJ