Boyle's law
1 mark · EasyAccording to the particle model, what causes the pressure of a gas in a sealed container?
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Particles colliding with the walls of the container.
Also accept: Gas particles hitting the container walls.; Collisions of particles with the walls.
Common mistakes: Saying pressure is due to gravity or weight
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Marking points
B1 · 1 mark · States pressure is caused by particles colliding with or hitting the container walls
Worked solution
The pressure is due to the gas particles colliding with the walls of the sealed container.