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2.1 Kinetic particle model of matter

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Question 41

A sealed metal canister containing a gas is placed inside a freezer, causing the temperature of the gas to fall.

What happens to the average speed of the gas molecules and to the pressure of the gas in the canister as the temperature decreases?

A

Average speed: decreases; Gas pressure: decreases

B

Average speed: decreases; Gas pressure: increases

C

Average speed: increases; Gas pressure: decreases

D

Average speed: increases; Gas pressure: 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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