A-LevelChemistryStates of matter9701/12 · May/June 2021 · Q51 Mark

Flask Q contains 5 dm³ of helium at 12 kPa pressure. Flask R contains 10 dm³ of neon at 6 kPa pressure. If the flasks are connected at constant temperature, what is the final pressure?

A8 kPa

B9 kPa

C10 kPa

D11 kPa

✓ Correct answer

A: 8 kPa

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Topic: States of matter, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2021 Paper 1 Variant 2, question 5.

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