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A student trapped a sample of air in a sealed, graduated syringe to investigate the connection between pressure and volume.

One of the student's measurements is given below:

  • pressure (p1)=1.2×105 Pa\text{pressure } (p_1) = 1.2 \times 10^5 \text{ Pa}pressure (p1​)=1.2×105 Pa
  • volume (V1)=15.0 cm3\text{volume } (V_1) = 15.0 \text{ cm}^3volume (V1​)=15.0 cm3
a.

Calculate the volume of the gas when the plunger is pushed in slowly to increase the pressure to

2.0×105 Pa 2.0 \times 10^5 \text{ Pa} 2.0×105 Pa

, assuming the temperature remains constant.

[3]
b.

Explain why pushing the plunger in very quickly would cause the temperature of the gas to increase.

[3]

Particle model and pressure Questions

Practise AQA GCSE Physics Particle model and pressure with exam-style questions for Foundation and Higher tier. 12 questions covering Particle motion in gases, Pressure in gases (physics only), and Increasing the pressure of a gas (physics only) (HT only), matched to the AQA GCSE Physics (8463) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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Particle model and pressure Questions

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