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2.1 Kinetic particle model of matter

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Question 54

A gas in a sealed, rigid container is cooled. What happens to the molecules of the gas?

A

The average distance between the molecules decreases.

B

The average kinetic energy of the molecules decreases.

C

The mass of each molecule decreases.

D

The volume of each molecule decreases.

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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