states of matter Flashcards
(6 cards)
1
Q
what is the specific latent heat of fusion?
A
the amount of energy needed to melt or freeze 1kg of a substance
2
Q
what is specific latent heat of vapourisation?
A
the amount of energy needed to change the state from liquid to gas (or reverse) of 1kg of a substance
3
Q
what is specific heat capacity?
A
the energy needed to change the temperature of 1kg of a material by 1 degree
4
Q
what happens as particles collide with the side of a container?
A
exerts force on it
5
Q
what is gas pressure?
A
the force exerted by the gas particles as they collide on the sides of a container
6
Q
what happens if we increase the temperature of a gas? (3)
A
move faster
hit surfaces with more force and more often
