Quelpr
1 markThe Kinetic Theory of Gases

CAPE Physics Unit 1 · 2003 · Paper 2 · Question 8(b)(ii)

3.0 mol of Oxygen is heated from 270 K to 320 K at a constant pressure of 5 x 10⁵ Pa.

Calculate the change in volume of the gas.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 8(a)(i)a)State THREE assumptions made in the kinetic theory of gases.[8 marks]
  2. 8(a)(i)b)Explain how the kinetic theory is used to explain the pressure in a gas.[1 mark]
  3. 8(a)(ii)Three molecules have speeds of v, 4v and 8v. What is their mean speed and root mean square (r.m.s.) speed?[1 mark]
  4. 8(b)(i)Calculate the thermal energy supplied to the gas.[12 marks]
  5. 8(b)(iii)Calculate the work done by the gas as it expands.[1 mark]
  6. 8(c)(i)What is the increase in internal energy?[1 mark]
  7. 8(c)(ii)Find the molar heat capacity at constant volume for oxygen. (Molar heat capacity at constant pressure = 29 J mol⁻¹ K⁻¹)[1 mark]

More practice: the rest of this paper · more The Kinetic Theory of Gases questions · all CAPE Physics Unit 1 past papers