Question

examples latent heat of melting​

Answer 1

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when a pot of water is kept boiling, the temperature remains at 100 °C (212 °F) until the last drop evaporates, because all the heat being added to the liquid is absorbed as latent heat of vaporization and carried away by the escaping vapour molecules. Similarly, while ice melts, it remains at 0 °C (32 °F), and the liquid water that is formed with the latent heat of fusion is also at 0 °C. The heat of fusion for water at 0 °C is approximately 334 joules (79.7 calories) per gram, and the heat of vaporization at 100 °C is about 2,230 joules (533 calories) per gram. Because the heat of vaporization is so large, steam carries a great deal of thermal energy that is released when it condenses, making water an excellent working fluid for heat engines.

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Answer 2

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latent heat of melting is also called latent heat of fusion..

Latent heat is the energy required to change the state of a substance at constant temperature. (Heat required for change of state process.)Fusion is the process of conversion of solid to liquid.

So, I can define Latent heat of Fusion as the amount of heat required to change the state of a solid of given mass to liquid without causing any change in its temperature.

for example, Melting of ice at 0 degree to water with requires heat equal to 80 cal/g So latent heat of fusion of water is 80 cal/sLatent heat required to melt m kg of solid to liquid can be found out by

q=L*m

L=latent heat of fusion (J/kg)

m= mass of solid to be melted in kg.