quiz 23 Flashcards
1
Q
In what 3 ways can gas pressure be increased?
A
Smaller volume,higher temperature,more particles
2
Q
State the unit of specific latent heat
A
J/kg
3
Q
Name the state challenge:solid to gas
A
sublimation
4
Q
When a force decreases the volume of a substance the substance has been
A
compressed
5
Q
Why are solids usually denser than liquids and gases?
A
More particles per unit volume
6
Q
What is evaporation?
A
The change from liquid to gas below the boiling point?
7
Q
How is the volume of a cuboid found?
A
length x width x height
8
Q
In the particle model of matter, what are particles?
A
Atoms,molecules or ions