WASSCE Chemistry · States of Matter & Gas Laws
States of Matter
Solid, liquid, and gas — kinetic theory, changes of state, and how particles behave in each state.
- lessons
- 2
- of study
- 15 min
- free to read
- 1
Across the topic: 9 sections · 2 worked examples · 3 diagrams
Topic content
Lessons in this topic
2 lessons · 15 min
- 1The kinetic theory and the three states of matter7 minFree7 minFree
- The kinetic theory of matter
- The three states
- Evidence for moving particles
- Temperature and kinetic energy
1 worked example · 1 diagram
- 2Changes of state, heating curves and diffusion8 min Plan8 min Plan
- Changes of state
- The heating curve
- Evaporation and boiling
- Diffusion of gases: the ammonia–hydrogen chloride experiment
- Substances and water vapour in the air
1 worked example · 2 diagrams
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