Chemistry, asked by taanushiyasathish, 1 month ago

Similarities between latent heat of fusion and latent heat of vaporization??

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Answers

Answered by Ririka44
4

Answer:

The latent heat of fusion is the heat required to change the solid from solid to liquid state without any change in temperature. The latent heat of fusion of ice is 336000 J/kg. While Latent heat of vaporization is the heat required to change the liquid from liquid to vapor state without any change in temperature .

Explanation:

The latent heat is one that “feels” as it represents the thermal energy is released or absorbed during a phase change, without increasing or decreasing the temperature of the thermodynamic system. There are several types of latent heat, which are governed by the phase changes of a substance.

The heat energy required to change a unit mass of a substance from liquid to a gaseous state at its boiling point without a change in its temperature is called the latent heat of vaporization. It is represented by H v. Its S.I unit is J/kg. Its formula is given as:

Hv = ΔQv/m

Example of latent heat of vaporization

When water is heated, it boils at 100 °C under standard pressure. Its temperature remains 100 °C until it is changed completely into steam. Its latent heat of vaporization is 2260000 J/kg. That is one kilogram of water requires 2260000 Joule heat to change it completely into steam at its boiling point .

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