SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Energy required to change the state of a mass of liquid to a gas is known as ____
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Specific Latent Heat of Fusion
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Specific Heat Capacity
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Boiling Energy
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Specific Latent Heat of Vaporisation
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Explanation:
Detailed explanation-1: -Latent heat of vapourisation is a physical property of a substance. When a material in liquid state changes its phase from liquid to vapour, the energy absorbed in the process; is known as latent heat of vapourisation. For eg: For water, it is 2260kJ/Kg or 40. 8kJ/mol.
Detailed explanation-2: -latent heat, energy absorbed or released by a substance during a change in its physical state (phase) that occurs without changing its temperature.
Detailed explanation-3: -Like the solid/liquid phase change, the liquid/gas phase change involves energy. The amount of energy required to convert a liquid to a gas is called the enthalpy of vaporization (or heat of vaporization), represented as Hvap.
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