(a)[1]
Define pressure in words.
(b)[4]
Use the kinetic model to explain the pressure exerted by a gas.
(c)[2]
Explain whether collisions between the molecules of an ideal gas should be described as elastic or inelastic.
Physics 9702 · AS & A Level · Density and pressure
Density and pressure — practice question
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Pressure $= \text{force} / \text{area}$ (area normal to force).” …
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