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2.1 Kinetic particle model of matter

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Question 89

A sealed rigid metal canister contains helium gas. The canister is placed into a hot water bath, which causes the temperature of the helium gas to increase.

Which of the following correctly describes what happens to the helium atoms in the canister?

A

Average distance: increases; Average speed: increases

B

Average distance: increases; Average speed: decreases

C

Average distance: no change; Average speed: decreases

D

Average distance: no change; Average speed: 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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