Question

define latent heat of fusion and sublimation and latent heat

Answer 1

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✔️Latent heat of Fusion:-

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 .

✔️Sublimation:-

➡️Sublimation is a physical process in which a solid directly converts into a gaseous (vapor) state without going through a liquid state.

➡️The latent heat of sublimation at a particular temperature is the amount of heat required to convert a unit mass of solid into gas.

✔️Latent heat:-

➡️Latent heat is energy released or absorbed, by a body or a thermodynamic system, during a constant-temperature process.

➡️Two common forms of latent heat are latent heat of fusion (melting) and latent heat of vaporization (boiling).

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Answer 2

Latent heat of fusion =heat energy required to change of solid into liquid at atmospheric pressure at its melting point is know as latent heat of fusion