A sealed container contains a fixed mass of gas.
Which action results in the gas molecules colliding with the walls of the container more frequently and with a greater average force during each impact?
Increase the temperature of the gas.
Decrease the temperature of the gas.
Increase the volume of the container.
Decrease the volume of the container.
321 exam-style questions on CIE IGCSE Physics 2.1 Kinetic particle model of matter, covering 2.1.1 States of matter and changes of state, 2.1.2a Particle structure and motion in solids, liquids and gases, 2.1.2b Gas pressure and particle collisions, 2.1.2c Brownian motion, 2.1.3a The absolute scale of temperature, and 2.1.3b Pressure, volume and temperature of a gas. Each one has a worked solution and a mark scheme showing where the marks go.