Boyle's law
1 mark · NormalWhich option best describes the change in particle movement when a gas is heated at constant volume?
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Correct option: Particles move faster and pressure increases.
Common mistakes: Selecting 'same speed' or 'pressure decreases'
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Marking points
B1 · 1 mark · Correct option selected.
Worked solution
When a gas is heated, the particles move faster and collide with the walls more often, increasing the pressure.