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define specific latent heat of vaporization

Question

define specific latent heat of vaporization

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Solution

The specific latent heat of vaporization is a term used in thermodynamics to describe the amount of heat energy required to change one kilogram of a substance from a liquid state to a gaseous state without changing its temperature. This is a specific property of each substance and varies depending on the substance in question. It is usually measured in joules per kilogram (J/kg).

Here are the steps to define it:

  1. Understand the concept of latent heat: Latent heat is the heat absorbed or released by a substance during a phase change (like from solid to liquid, liquid to gas, and vice versa) at constant temperature and pressure.

  2. Differentiate between latent heat of fusion and vaporization: The latent heat of fusion is the heat absorbed or released when a substance changes from solid to liquid or vice versa. On the other hand, the latent heat of vaporization is the heat absorbed or released when a substance changes from liquid to gas or vice versa.

  3. Define specific latent heat: The specific latent heat of a substance is the amount of heat energy required to change 1 kg of that substance from one state to another without changing its temperature.

  4. Finally, define specific latent heat of vaporization: The specific latent heat of vaporization is the amount of heat energy required to change 1 kg of a substance from a liquid state to a gaseous state without changing its temperature.

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Similar Questions

The latent heat of vaporization describes:A.the amount of heat a substance must release to transition from the liquid to the gas phase.B.the amount of heat a substance must absorb to transition from the liquid to the gas phase.C.the amount of heat a substance must release to transition from the solid to the gas phase.D.the amount of heat a substance must absorb to transition from the solid to the gas phase.

What is the latent heat of vaporization?A.The energy required to break molecular bondsB.The energy required to go from a solid to a gasC.The energy required to go from a solid to a liquidD.The energy required to go from a liquid to a gas

Latent heat of vaporization isthe amount of heat required to raise the temperature of a 1 kg of a substance by 1 Kthe amount of heat required to raise the temperature of a substance by 1 Kthe amount of heat required to change the phase of a substance from solid to liquid without any change in temperaturethe amount of heat required to change the phase of a substance from liquid to gas without any change in temperature

Which of the following processes involves latent heat of vaporization?A. BoilingB. MeltingC. FreezingD. Condensation

What information does the latent heat of vaporization give?A.The energy needed to completely melt a mole of a solidB.The energy needed to raise the temperature of 1 g of a vapor 1°CC.The energy needed to heat a liquid from freezing point to boiling pointD.The energy needed to completely vaporize a mole of a liquid

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