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Sulfur Recovery 2018.9.15

2018-09-16View Original

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Question: What is latent heat of vaporization? Answer: The latent heat of vaporization, also known as the latent heat of evaporation, refers to the amount of heat required for a unit mass of substance to change from a liquid state to a gaseous state at a certain temperature; it is expressed in KJ/Kg. As temperature and pressure increase, the latent heat of vaporization gradually decreases, and at the critical point, it becomes zero.
Reply #22018-09-16
The latent heat of vaporization is the amount of heat absorbed per unit mass of a liquid substance during the vaporization process, with constant temperature. The unit of latent heat of vaporization is “kilojoules per kilogram (KJ/kg)”.
Reply #32018-09-16
Vaporization latent heat, also known as evaporation latent heat, refers to the amount of heat required for a unit mass of substance to change from a liquid state to a gaseous state at a certain temperature; it is expressed in KJ/Kg. As temperature and pressure increase, the latent heat of vaporization gradually decreases, and at the critical point, it becomes zero.
Reply #42018-09-16
Vaporization latent heat, also known as evaporation latent heat, refers to the amount of heat required for a unit mass of substance to change from a liquid state to a gaseous state at a certain temperature; it is expressed in KJ/Kg. As temperature and pressure increase, the latent heat of vaporization gradually decreases, and at the critical point, it becomes zero.
Reply #52018-09-16
That is, the amount of heat absorbed per unit mass of a liquid substance during vaporization, when the temperature remains constant. Vaporization occurs in two ways: evaporation and boiling. Both absorb heat, and evaporation occurs only at the liquid surface. Boiling occurs simultaneously inside and on the surface of a liquid.
Reply #62018-09-16
That is, the heat absorbed per unit mass of a certain liquid substance during vaporization, when the temperature remains constant
Reply #72018-09-16
That is, the amount of heat absorbed per unit mass of a liquid substance during vaporization, when the temperature remains constant.
Reply #82018-09-16
Vaporization latent heat, also known as evaporation latent heat, refers to the amount of heat required for a unit mass of substance to change from a liquid state to a gaseous state at a certain temperature; it is expressed in KJ/Kg. As temperature and pressure increase, the latent heat of vaporization gradually decreases, and at the critical point, it becomes zero.
Reply #92018-09-16
The heat absorbed per unit mass of a liquid substance during vaporization, when the temperature remains constant
Reply #102018-09-16
That is, the heat absorbed per unit mass of a certain liquid substance during vaporization, when the temperature remains constant
Reply #112018-09-16
The latent heat of vaporization is the amount of heat absorbed per unit mass of a liquid substance during the vaporization process, with constant temperature. The unit of latent heat of vaporization is “kilojoules per kilogram (KJ/kg)”.

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