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2.1.3a The absolute scale of temperature

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Question 57

A fixed mass of gas is sealed in a rigid container. The temperature of the gas is decreased.

How does this change affect the average kinetic energy of the gas molecules and the pressure they exert on the walls of the container?

A

Average kinetic energy of molecules decreases; pressure on the walls of the container decreases

B

Average kinetic energy of molecules decreases; pressure on the walls of the container increases

C

Average kinetic energy of molecules stays the same; pressure on the walls of the container decreases

D

Average kinetic energy of molecules increases; pressure on the walls of the container decreases

Markscheme

2.1.3a The absolute scale of temperature Questions

  1. IGCSE
  2. /Physics
  3. /2.1.3a The absolute scale of temperature

126 exam-style questions on CIE IGCSE Physics 2.1.3a The absolute scale of temperature. Each one has a worked solution and a mark scheme showing where the marks go.

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