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2.1 Kinetic particle model of matter

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Question 237

When a cold gas is heated, its internal energy increases.

What causes this?

A

an increase in the kinetic energy of the gas particles

B

an increase in the gravitational potential energy of the gas particles

C

a decrease in the average speed of the gas particles

D

a decrease in the average distance of separation of the gas particles

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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