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PROPERTIES OF GASES
- Gases have very low density
- They can be compressed
- They expand to fill the available space
- They expand more when heated
- They diffuse through one another
- They exert pressure (force / unit area)
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EXPLANATIONS, based on
KINETIC MOLECULAR THEORY
- Molecules are far apart (lots of empty space)
- Lots of empty space between molecules
- Molecules are always in motion
- Molecules move faster (avg. kinetic energy increases)
- Lots of empty space between molecules
- Molecules bounce off walls of container
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