Which equation correctly shows both enthalpy of formation, \( \Delta H_f^{\ominus} \), of a compound and enthalpy of combustion, \( \Delta H_c^{\ominus} \), of its elements?
Which equation correctly shows both enthalpy of formation, \( \Delta H_f^{\ominus} \), of a compound and enthalpy of combustion, \( \Delta H_c^{\ominus} \), of its elements?