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Explain, in terms of the behaviour of molecules, how a gas exerts a pressure on the walls of its container. (4)

This question is 4 marks so you need to make at least 4 points.

These types of questions just require memorising the 4 points:

Lots of molecules collide with the walls.

The molecules change momentum as they collide with the walls.

Force is the rate of change of momentum.

Pressure = force/area.

Remember these 4 points and you'll get full marks for the question.

Jake F. GCSE Maths tutor, GCSE Physics tutor, A Level Physics tutor, ...

2 years ago

Answered by Jake, an A Level Physics tutor with MyTutor


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