A fixed mass of gas has a volume of 45 cm345\text{ cm}^345 cm3. The pressure of the gas is 160 kPa160\text{ kPa}160 kPa.
The volume of the gas is slowly decreased by 15 cm315\text{ cm}^315 cm3 at constant temperature.
What is the change in pressure of the gas?
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.