Topic 9 - Thermodynamics Flashcards
1
Q
Changes of State
A
2
Q
For an object to change state
A
the particle arrangement of the substance must be changed.
3
Q
For this to happen
A
there must be a transfer of energy in order for bonds to be broken or
4
Q
created. The amount of energy required depends on the mass of the substance as well as the
A
5
Q
specific latent heat of the given substance.
A
6
Q
In general
A
specific latent heat is the energy required to change the state of 1kg of a
7
Q
substance without a change in temperature.
A
8
Q
There are two forms of specific latent heat:
A
9
Q
- Specific latent heat of fusion is used for the transition between solid and liquid
A
10
Q
- Specific latent heat of vaporisation is used for the transition between liquid and gas
A
11
Q
ДЕ = m /
A
12
Q
Where T’ is specific latent heat measured in
A
