Heat of formation
noun
1.
(chem) the heat evolved or absorbed when one mole of a compound is formed from its constituent atoms
Read Also:
- Heat-of-fusion
noun, Physics. 1. the heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature: equal to the heat of solidification. heat of fusion The amount of heat required to convert a solid at its melting point into a liquid […]
- Heat of reaction
noun 1. (chem) the heat evolved or absorbed when one mole of a product is formed at constant pressure
- Heat-of-solidification
noun, Physics. 1. the heat liberated by a unit mass of liquid at its freezing point as it solidifies: equal to the heat of fusion.
- Heat of solution
noun 1. (chem) the heat evolved or absorbed when one mole of a substance dissolves completely in a large volume of solvent
- Heat-of-sublimation
noun, Physics. 1. the heat absorbed by one gram or unit mass of a substance in the process of changing, at a constant temperature and pressure, from a solid to a gaseous state. Compare (def 10).