How does the particle theory of matter help explain the rate of reaction
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1.A model is something that helps people understance complex ideas.
2.It could be a physical model, or a 'thought' model
3.The main ideas of the particle model are:
All matter is made up of very small particles
The particles are held together by bonds of varying strength
These particles are always moving
The particle movement speeds up as temperature increases and slows down as it decreases
The particle model helps us understand the following
Diffusion
Changes of state
Expansion and contraction
The behaviour of water
Pressure
Bouyancy
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