Particle Model of Matter Flashcards
1
Q
What are the 3 states of matter?
A
Solid, liquid and gas
2
Q
What is internal energy?
A
Total kinetic and potential energy of all the particles in a system
3
Q
What happens when energy is added to a system?
A
Temperature increases
4
Q
What kind of reaction is a change of state?
A
Reversible
5
Q
What is the latent heat of fusion?
A
The energy needed for a substance to change from solid to liquid
6
Q
What is latent heat of vaporisation?
A
The energy needed for a substance to change from liquid to gas
