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14.3 Gas pressure and temperature

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Question 18

During a pressure-release test, a flexible bladder contains gas at 180 kPa and has a volume of 36 cm3. The pressure is lowered to 120 kPa while the temperature remains constant. The gas expands, and none escapes.

Use p1V1=p2V2p_1V_1=p_2V_2p1​V1​=p2​V2​. By how much does the volume of gas in the bladder increase?

[1]
A

54 cm354\,\mathrm{cm^3}54cm3

B

12 cm312\,\mathrm{cm^3}12cm3

C

24 cm324\,\mathrm{cm^3}24cm3

D

18 cm318\,\mathrm{cm^3}18cm3

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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