What Is Heat of Vaporization?

Answer

The heat of vaporization is the amount of heat required to change a substance from a solid or liquid phase to a gaseous phase. The heat required for the substance to form into a vapor.
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heat of vaporization
NOUN [PHYSICS.]
1.
the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature: equal to the heat of condensation.
Source: Dictionary.com
Q&A Related to "What Is Heat of Vaporization"
Heat of vaporization is the heat energy needed to change liquid to a gas state. The units of energy a called "per mole". An example of this would be the amount of heat energy
http://answers.ask.com/Science/Other/what_is_heat_...
1. Divide the pressure at the first point by the pressure at the second point. In our example, it is P1/P2 = 0.66 atm / 0.55 atm = 1.2. 2. Calculate the natural logarithm of the value
http://www.ehow.com/how_5394916_heat-vaporization....
This value is depending on the temperature; read the link below for details.
http://wiki.answers.com/Q/What_is_the_heat_of_vapo...
n. The amount of heat required to convert a unit mass of a liquid at its boiling point into vapor without an increase in temperature.
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Explore this Topic
Heat of vaporization is the amount of heat needed to convert a solid mass into a liquid without changing the temperature of the substance. Heat of vaporization ...
Heat of vaporization is the heat energy needed to change liquid to a gas state. The units of energy a called "per mole". An example of this would be ...
The heat of vaporization value of water is 540 grams. Heat of vaporization is the quantity of heat that must be absorbed if a certain quantity of liquid is vaporized ...
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