The enthalpy of combustion refers to the amount of heat released or absorbed when one mole of a substance undergoes complete combustion. It is a measure of the energy content in the bonds of the substance.
Related terms
Heat of Formation: The heat change that occurs when one mole of a compound is formed from its elements in their standard states.
Standard Enthalpy Change: The enthalpy change that occurs when reactants in their standard states are converted into products in their standard states.
Exothermic Reaction: A chemical reaction that releases energy to its surroundings, usually in the form of heat.