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L is the specific latent heat of vaporization and is the heat required to convert a unit mass of liquid into vapour at the same temperature as the boiling point. L and the boiling temperature, both depend on the pressure. Heat transfer occurs between bodies that are in contact with each other.
Latent heat of vaporization: This is the amount of heat energy required to change one gram of liquid water at 100°C to water vapor (steam) at 100°C. The latent heat of vaporization of water is 2260 J/g.
EXPERIMENTAL DETERMINATION OF THE SPECIFIC LATENT HEAT OF VAPORIZATION OF A LIQUID. The method about to be described is a continuous flow method and makes use of a self-jacketing vaporizer. The liquid under investigation is heated to boiling point and the vapour which is produced passes to the condenser by way of holes (H) in the inner wall of ...
17 cze 2019 · Also known as enthalpy of vaporization, the heat of vaporization (∆H vap) is defined by the amount of enthalpy (heat energy) that is required to transform a liquid substance into a gas or vapor. It is measured in Joules per mole (J/mol), or sometimes in Calories (C).
4 lis 2019 · Specific latent heat (L) is defined as the amount of thermal energy (heat, Q) that is absorbed or released when a body undergoes a constant-temperature process. The equation for specific latent heat is: L = Q / m. where: L is the specific latent heat. Q is the heat absorbed or released. m is the mass of a substance.
6 lut 2021 · The specific latent heat of vaporization (enthalpy of vaporization) is the amount of heat required to vaporize a liquid substance! Process of vaporization. If a liquid is heated more and more, then at some point the boiling point is reached.
As a result of the network of hydrogen bonding present between water molecules, a high input of energy is required to transform one gram of liquid water into water vapor, an energy requirement called the heat of vaporization. Water has a heat of vaporization value of 40.65 kJ/mol.
