(a(i))[2]
Describe how the gas particles move.
(a(ii))[1]
Describe how the gas particles produce a pressure on the walls of the cylinder and piston.
(b)[3]
State and explain any change in the gas pressure as the piston moves to the left.
Physics 0625 · IGCSE · Kinetic particle model of matter
Kinetic particle model of matter — practice question
Fig. 4.1 illustrates some gas at room temperature inside a cylinder fitted with a piston that can move. The gas is trapped and cannot leave the cylinder.