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14.3 Gas pressure and temperature

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Question 23
F

A gas occupies 80 cm3 at 150 kPa. It is compressed at constant temperature until its pressure is 240 kPa. No gas escapes.

Use p1V1=p2V2p_1V_1=p_2V_2p1​V1​=p2​V2​.

By how much does its volume decrease?

[1]
A

50 cm350\,\mathrm{cm^3}50cm3

B

30 cm330\,\mathrm{cm^3}30cm3

C

48 cm348\,\mathrm{cm^3}48cm3

D

128 cm3128\,\mathrm{cm^3}128cm3

Markscheme

14.3 Gas pressure and temperature Questions

  1. GCSE
  2. /Physics
  3. /14.3 Gas pressure and temperature

108 exam-style questions on Edexcel GCSE Physics 14.3 Gas pressure and temperature, covering 14.3.1 Gas pressure and particle motion, 14.3.2 Temperature and pressure at constant volume, 14.3.3 Absolute zero and the kelvin scale, 14.3.4 Compressing and expanding gases, 14.3.5 Volume and pressure at constant temperature, and 14.3.6 Doing work on a gas. Each one has a worked solution and a mark scheme showing where the marks go.

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