A-LevelChemistryStates of matter9701/12 · May/June 2011 · Q331 Mark

Which equations apply to an ideal gas? [p = pressure, V = volume, M = molar mass, ρ = density, c = concentration, R = gas constant, T = temperature] 1 p = ρRT / M 2 pV = MRT 3 pV = cRT / M

A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

D: 1 only is correct

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

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