enthalpy change of reaction
the enthalpy change associated with a given reaction
enthalpy change of formation
the energy change that takes place when one mole of a compound is formed from its constituent elements in their standard states under standard conditions
enthalpy change of combustion
the energy change that takes place when one mole of a substance is completely combusted
enthalpy change of neutralisation
the energy change associated with the formation of one mole of water from a neutralisation reaction