Phases of matter Flashcards
1
Q
explanation of how particles in matters behave
A
Kinetic Theory
2
Q
temperture at which a solid begins to liquefy
A
melting point
3
Q
amount of energy required to change a substance from the solid phase to the liquid phase at its melting point
A
heat of fusion
4
Q
liquid is equal to the external pressure acting on the surface
A
boiling point
5
Q
amount of energy required for the liquid at its boiling point becomes gas
A
heat of vaporization
6
Q
spreading of particles throughout a given volume until they are uniformly distrubuted
A
Diffusion
7
Q
matter of consisting of positively and negititively charged particles
A
plasma
8
Q
increase in size of a substance when the temp is increased
A
Thermal Expansion