Chapter 3: Changing States Flashcards
1
Q
Solid to a liquid?
A
Melting
2
Q
Solid to a gas?
A
Sublimation
3
Q
Liquid to a gas?
A
Evaporation
4
Q
Liquid to a solid?
A
Freezing
5
Q
Gas to a liquid?
A
Condensing
6
Q
Why doesn’t temp. rise during the boiling or melting points?
A
energy is used to break bonds instead of temperature
7
Q
What’s latent heat?
A
Energy required to change a state
8
Q
How do we know if a substance is pure?
A
Boiling point and melting points have a definite straight line and figure, impure substances have curved lines and a range of figures
9
Q
Arrangement and movement of particles in a solid?
A
Regular pattern, vibrate on spot
10
Q
Arrangement and movement of particles in a liquid
A
No fixed pattern but still touching, slide over each other
11
Q
Arrangement and movement of particles in a gas?
A
Far apart and random arrangement, any direction
