States of matter Flashcards
1
Q
What increases the pressure of a gas?
A
frequency of collisions with the sides of the container
2
Q
Describe the movement of particles of a gas:
A
- gas particles move in high speeds in random direction
- lots of space between particles
- weak forces of attraction
3
Q
Describe the structure of solids:
A
- particles are in fixed positions
- strong forces of attraction
- particles vibrate
- particles are very close together
4
Q
condensation
A
gas—> liquid
4
Q
Describe the structure of liquids:
A
- random arrangement
- particles are close together
- free to move around
5
Q
Why does heating turn a solid into a liquid?
A
particles gain energy and vibrate more faster, overcome the forces and turn into a liquid
