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CAIE A-Level Physics A2 15.2 Equation of State Questions

Practise distinguishing ideal-gas behaviour and applying pV = nRT or pV = NkT with consistent units, mole data or molecule data.

Syllabus
2028–2030
Course
Physics 9702
Level
A2

Exam points

  • identify ideal-gas behaviour and apply pV = nRT or pV = NkT to calculate state variables
  • use k = R/N_A and choose the appropriate mole or molecule form of the equation of state

Covered syllabus points

15.2.1—A gas obeying pV ∝ T, where T is the thermodynamic temperature, is known15.2.2—The equation of state for an ideal gas expressed as pV = nRT15.2.3—That the Boltzmann constant k is given by k = R / NA

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