May/June 2026 Paper 21

2026 · 40 questions · 40 parts · 40 marks

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11Gas Laws Kinetic TheoryHard1 mark
The same mass of a gas is trapped in four identical cylinders by a piston that can move. The diagrams show the samples of gas in different conditions of volume and temperature.
four cylinders with a movable piston: cylinder 1 at 20°C with the piston near the top (large volume); cylinder 2 at 40°C with the piston about half way (small volume); cylinder 3 at 40°C with the piston near the top (large volume); cylinder 4 at 50°C with the piston about half way (small volume)
Which list gives the pressure of the gas in order from lowest to highest?