thermodynamics, the standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy during the formation of 1 mole of the substance...

standard enthalpy of reaction Δ H reaction ⊖ {\displaystyle \Delta H_{\text{reaction}}^{\ominus }} is related to the standard enthalpy of formation Δ...

Enthalpy (/ˈɛnθəlpi/ ) is the sum of a thermodynamic system's internal energy and the product of its pressure and volume. It is a state function in thermodynamics...

of Chemistry and Physics and the NIST JANAF tables. The NIST Chemistry WebBook (see link below) is an online resource that contains standard enthalpy...

elemental metals, it is also equal to the standard enthalpy of formation of the gaseous metal atoms. The heat of sublimation is usually expressed in kJ/mol...

compilation of standard enthalpies of formation, which may be used to predict the enthalpy change in complex synthesis. Hess’ law states that the change of enthalpy...

salt. It is a special case of the enthalpy of reaction. It is defined as the energy released with the formation of 1 mole of water. When a reaction is...

water. Undiluted hydrazoic acid is dangerously explosive with a standard enthalpy of formation ΔfHo (l, 298K) = +264 kJ/mol. When dilute, the gas and aqueous...

with the quantities: energy/mole of fuel energy/mass of fuel energy/volume of the fuel There are two kinds of enthalpy of combustion, called high(er) and...

-83 °C, with a melting enthalpy of 10.48 kJ·mol−1. At atmospheric pressure, the compound boils at 77 °C. The vaporization enthalpy at the boiling point...