Specific Latent Heat

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