Question

define(1 )latent heat of fusion.
(2) latent heat of vapourisation.​

Answer 1

Latent heat of fusion :latent heat of fusion is the amount of heat energy required to change 1kg of solid into liquid at its melting point.

Latent heat of vaporition :latent heat of vaporition is the heat energy required to change 1kg of liquid to gas at atmospheric pressure at its boiling point .

Answer 2

⏩Ans: The amount of heat energy released or absorbed when a solid changing to liquid at atmospheric pressure at its melting point is known as the latent heat of fusion.

⏬⏬⏬

Ex: The latent heat of fusion of water is 79.72 cal/gram (or) 334.0 kJ/Kg.

⏩Ans: The amount heat required to convert unit mass of liquid into its vapour state without change in its temperature called is latent heat of vaporization.

⏬⏬⏬

Ex: The latent heat of vaporization of water is 540 cal/g/°C.

hope its clear to you.

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