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Physics · Oct / Nov 2018 · Paper 12 · Question 18

5054Particle model

Some gas is trapped in a closed container. The gas is cooled and the volume of the container is kept constant. What happens to the gas molecules?

  1. AThey collide with the walls more often.
  2. BThey contract.
  3. CThey get closer together.
  4. DThey move more slowly.

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Correct answer: D. They move more slowly.

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