A-LevelChemistryStates of matter9701/12 · Oct/Nov 2011 · Q331 Mark

Which are assumptions of the kinetic theory of gases and hence of the ideal gas equation, PV = nRT? 1 Molecules move without interacting with one another except for collisions. 2 Intermolecular forces are negligible. 3 Intermolecular distances are much greater than the molecular size.

A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

A: 1, 2 and 3 are correct

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Topic: States of matter, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2011 Paper 1 Variant 2, question 33.

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