specific latent heat Flashcards
1
Q
what is specific latent heat
A
The energy required to change 1kg of a particular substance from one state to another without changing its temperature
2
Q
what is the specific latent heat of vaporisation
A
The energy change when a substance changes between a liquid and a gas
3
Q
what is the specific latent heat of fusion
A
The energy change when a substance changes between a solid and a liquid
4
Q
how to calculate energy
A
E= M x L
mass x latent heat
5
Q
what happens to the temperature of a substance when it changes state
A
The temperature remains constant
6
Q
What is power
A
Power is the amount of energy in a given amount of time
7
Q
equation for power
A
power(w)=energy(J)/time(s)
8
Q
A
