Write a balanced equation for the formation of CO2(g) from C(s) and O2(g). Calculate the enthalpy change for this reaction using the following data (at 25°C): C(s) + 1/2 O2 (g) → CO(g) ΔH=-111kJ
CO(g) + 1/2 O2(g) → CO2(g) ΔH=-394 kJ
Is this reaction endothermic or exothermic?
