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In thermodynamics, the enthalpy of vaporization (symbol ∆H vap), also known as the (latent) heat of vaporization or heat of evaporation, is the amount of energy that must be added to a liquid substance to transform a quantity of that substance into a gas.
Vapor and steam enthalpy, specific enthalpy of saturated liquid, saturated vapor and superheated vapor. When a liquid evaporates its go through a process where the liquid heats up to the evaporation temperature
30 Ιαν 2023 · The Heat of Vaporization (also called the Enthalpy of Vaporization) is the heat required to induce this phase change. Figure \(\PageIndex{1}\): Heat imparts energy into the system to overcome the intermolecular interactions that hold the liquid together to generate vapor.
26 Ιουν 2023 · The heat which a solid absorbs when it melts is called the enthalpy of fusion or heat of fusion and is usually quoted on a molar basis. (The word fusion means the same thing as “melting.”) When 1 mol of ice, for example, is melted, we find from experiment that 6.01 kJ are needed.
The (latent) heat of vaporization (∆H vap ) also known as the enthalpy of vaporization or evaporation, is the amount of energy (enthalpy) that must be added to a liquid substance, to transform a given quantity of the substance into a gas .
The heat of vaporization is the enthalpy change when a unit mass of a substance changes its state from liquid to gas at a constant temperature and pressure. It is sometimes called enthalpy of vaporization or latent heat of vaporization.
The enthalpy of vaporization refers to the amount of heat required to convert a unit mass of a substance from liquid to vapor phase at a constant temperature and pressure. AI generated definition based on: Fuel, 2021
