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Specific Latent Heat
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Specific latent heat
The heat energy required to change phase of 1kg object at a constant temperature
Specific latent heat fusion
The heat energy required to change 1kg of solid to liquid at a constant temperature
Specific latent heat of vaporization
The heat energy required to change 1kg of liquid to gas at constant temperature
Specific latent heal formula
Q=ml, Q = energy, m= mass, l = specific latent heat
Effect of temperature increment during heating
Energy absorbed is used to increase the average kinetic energy of molecules.
Effect of temperature remains constant during heating
Energy absorbed is used to overcome the attraction force between molecules. The kinetic energy of molecules is constant.
Effect of temperature decrement during cooling
Energy released decreses the average kinetic energy of molecules.
Effect of temperature remains constant during cooling
Latent heat is released to the surrounding, forces of attraction between molecules become stronger. The kinetic energy of molecules is constant
Electrical energy equation
Q=Pt, Q = energy, P = power, t = time
Conservation energy equation related with latent heat
Pt=mcΔθ Pt=mlPt=ml
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