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2.1 Kinetic particle model of matter

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Question 135

A quantity of gas is trapped in a rigid, sealed container. The temperature of the trapped gas is decreased.

Which row shows the changes that occur to the trapped gas?

A

Pressure of the gas: decreases; Average kinetic energy of the molecules: decreases

B

Pressure of the gas: decreases; Average kinetic energy of the molecules: increases

C

Pressure of the gas: increases; Average kinetic energy of the molecules: decreases

D

Pressure of the gas: increases; Average kinetic energy of the molecules: increases

Markscheme

2.1 Kinetic particle model of matter Questions

  1. IGCSE
  2. /Physics
  3. /2.1 Kinetic particle model of matter

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.

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