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14.3 Gas pressure and temperature

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Question 12

An engineer is testing the pressure-volume relationship of a nitrogen gas buffer inside a cryogenic storage system. The system maintains the nitrogen at a constant temperature of 77 K.

The engineer's experimental measurements are recorded in Table 1.

Table 1

Pressure, PPP (atm\text{atm}atm)Volume, VVV (L\text{L}L)P×VP \times VP×V (L⋅atm\text{L}\cdot\text{atm}L⋅atm)
1.58.0512.08
2.05.9211.84
2.54.8412.10
3.53.4111.94
4.03.0212.08

Use the data in Table 1 to estimate the volume of the gas buffer when the pressure is 3.0 atm3.0\text{ atm}3.0 atm.

[2]
Markscheme

14.3 Gas pressure and temperature Questions

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

38 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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