The standard enthalpies of formation of Al O and CaO are – 1675 kJ mol and – 635 kJ mol respectively — Thermodynamics and Thermochemistry Chemistry Question

Question

The standard enthalpies of formation of Al O and CaO are – 1675 kJ mol and – 635 kJ mol respectively. For the reaction the standard reaction enthalpy ……………… kJ. (Round off to the Nearest Integer). 2 3 –1 –1