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Question
Define the following:
Latent heat of vaporisation
Define the following:
Latent heat of vaporisation
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Solution
Latent heat of vaporisation: The amount of heat energy required to change 1 kg of a liquid into a vapor at atmospheric pressure without any change in temperature at its boiling point is known as latent heat of vaporisation.
Example: When a pot of water is kept boiling, the temperature remains at 100 °C until the last drop evaporates as the additional heat is absorbed as the latent heat of vaporisation.
Latent heat of vaporisation: The amount of heat energy required to change 1 kg of a liquid into a vapor at atmospheric pressure without any change in temperature at its boiling point is known as latent heat of vaporisation.
Example: When a pot of water is kept boiling, the temperature remains at 100 °C until the last drop evaporates as the additional heat is absorbed as the latent heat of vaporisation.
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