Chemistry 9701 · AS & A Level · States of matter

States of matter — practice question

This question requires use of the Data Booklet. The ideal gas equation below summarises the gas laws. $pV = nRT$ A mass of $0.96\,\text{g}$ of oxygen gas is enclosed in a glass vessel with a volume of $7.0 \times 10^{-3}\,\text{m}^3$ at a temperature of $30^\circ\text{C}$. Treat the gas as ideal. What pressure is in the vessel?

  • A$1.1\,\text{kPa}$
  • B$2.1\,\text{kPa}$
  • C$10.8\,\text{kPa}$
  • D$21.6\,\text{kPa}$

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