Boyle's law

1 mark · Easy

Name one way to change the pressure of a fixed mass of gas inside a sealed container (other than changing its volume).

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Change the temperature of the gas.

Also accept: Increase the temperature.; Decrease the temperature.; Heat it or cool it.

Common mistakes: Saying change the amount of gas (mass is fixed); Saying open the container

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Marking points

B1 · 1 mark · Correctly identifies heating or cooling as a method (changes temperature)

Worked solution

You can change the pressure of a fixed mass of gas by changing its temperature.