CAPE Physics Unit 1 · 2004 · Paper 2 · Question 9(a)(ii)
Define the term 'the mole'.
The mark scheme is shown once you've answered.
Practise this questionOther parts of this question
- 9(a)(i)State the first law of thermodynamics in the form of an equation and explain the symbols used.[8 marks]
- 9(a)(iii)The molar heat capacity of a gas at constant pressure, cₚ, differs from the molar heat capacity at constant volume, cᵥ. State which is the GREATER and explain…[1 mark]
- 9(b)(i)Draw a graph to represent these changes.[12 marks]
- 9(b)(ii)Show that the OVERALL change of internal energy is given by ΔU = (33/2) P₀V₀.[1 mark]
- 9(b)(iii)a)Calculate the work done by the gas on the surroundings.[1 mark]
- 9(b)(iii)b)Calculate the thermal energy added to the gas.[1 mark]
More practice: the rest of this paper · more The Kinetic Theory of Gases questions · all CAPE Physics Unit 1 past papers