Question

Give the usual name for the following Heat required to change the state of a substance without changing the temperature.

Answer 1

Latent heat of solidification and latent heat of vapourization

Explanation:

• We are asked to give the name of the type of heat which changes the state of a substance without changing the temperature.

• Usually this type of heat is provide at 0°c and 100°c .

• At  this tempertature usually solid, liquid and liquid ,gas transition takes place.
• The heat required to change this state is called latent heat of solidification and latent heat of vapourization.
• These heats are provided to break the lattice structures and change the state of the object .
• Most common example in day to day to day life is water's latent heats applications .

Answer 2

Latent Heat (Hidden Heat) is the Heat Needed

Explanation:

• In a thermodynamic system, at a constant-temperature process, (often termed as First Order Phase Transition), the energy that gets evolved/released or absorbed by a body is termed as Latent Heat or Hidden Heat.

• As termed above "Hidden Heat", which means the hidden energy form which is taken out or being supplied in order to change the state of a substance but making it sure that the temperature does not change.