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2 marksThe Kinetic Theory of Gases

CAPE Physics Unit 1 · 2014 · Paper 2 · Question 3(a)

An experiment uses a glass tube of cross-sectional area 6 mm² to study the relationship between volume and temperature of a fixed mass of gas at constant pressure. Table 2 shows some results.

Complete Table 2 by inserting the missing values.

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Other parts of this question

  1. 3(b)(i)Using the data from the table, plot on the grid provided on page 11, a graph of volume against temperature. Use a scale which shows -325 °C to +100 °C on the…[4 marks]
  2. 3(b)(ii)From your graph, determine the temperature at which the volume is zero.[2 marks]
  3. 3(c)If the gas is cooled enough, would its volume actually become zero? Suggest a reason for your answer.[2 marks]
  4. 3(d)Determine temperature, in kelvin, at which the length of the gas column would be 70 mm.[3 marks]
  5. 3(e)(i)Write the equation of state for an ideal gas.[1 mark]
  6. 3(e)(ii)Outline how this equation is applied in the experiment on page 10.[1 mark]

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