A-LevelChemistryStates of matterMay/June 2022Paper 1 Q81 Mark
When an evacuated glass bulb of volume 200 cm³ is filled with a gas at 300 K and 101 kPa, the mass of the bulb increases by 0.68 g. The gas obeys the ideal gas equation. What is the identity of the gas?
Aargon
Bkrypton
Cneon
Dnitrogen
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The correct answer is B. This question tests the candidate's understanding of states of matter within the Chemistrysyllabus. The examiner's mark scheme requires...
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