Internal Enery And Changes Of State Flashcards
1
Q
What is internal energy?
A
The total energy that its particles have in their kinetic and potential energy stores
2
Q
The six changes of state
A
- evaporating
- sublimating
- melting
- freezing
- condensing
- boiling
3
Q
What happens the particles in substance when the substance is heated?
A
They gain energy in their kinetic energy stores
Bonds break
4
Q
Is a change of state of physical change or a chemical change?
A
Physical change
5
Q
What happens to the particles in a substance when a substance is heated?
A
The particles loose energy
Bonds form
6
Q
Describe melting
A
Solid to a liquid
7
Q
Describe freezing
A
Liquid to a solid
8
Q
Describe boiling or evaporating
A
Liquid to a gas
9
Q
Describe condensing
A
Gas to a liquid
10
Q
Describe sublimating
A
Solid to a gas
