Physics 0625 · IGCSE · Kinetic particle model of matter

Kinetic particle model of matter — practice question

Fig. 5.1 shows a quantity of gas trapped in a metal cylinder beneath a piston.

(a)[4]

Explain, in terms of molecules, what happens to the pressure of the gas in the cylinder.

(b)[2]

Explain these observations in terms of the pressure and the volume of the gas in the cylinder.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Pressure increases” …