Specific Latent Heat Flashcards
1
Q
Define Specific latent heat?
A
The amount of energy needed to change 1 kg of substance from one state to another without changing temperature
2
Q
What is meant by the term specific heat fusion?
A
The amount of energy needed to change 1 kg of the substance from a solid to a liquid
3
Q
What is the specific heat of vaporisation ?
A
The amount of energy needed to change 1 kg of the substance from a liquid to a gas
4
Q
Formula for specific latent heat?
A
Energy= mass x specific latent heat
5
Q
What are the units for specific latent heat ?
A
J/kg
6
Q
What does the flat part of a graph show ?
A
Energy transfer
