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2.1.3a The absolute scale of temperature

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Question 56

A gas in a sealed cylinder is slowly expanded by pulling the piston outwards. The temperature of the gas remains constant.

Which statement about the gas is correct?

A

The pressure of the gas increases because its molecules now travel more quickly.

B

The pressure of the gas decreases because its molecules now hit the cylinder walls less frequently.

C

The pressure of the gas decreases because its molecules now travel more slowly.

D

The pressure of the gas increases because the molecules are closer together.

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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