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Equal moles occupy equal volumes

Equal moles occupy equal volumes

Graph of gas volume against number of moles, showing a straight line through the origin Gas particles are far apart, so the volume of a gas depends mainly on the number of particles rather than their individual sizes. At the same temperature and pressure, gas volume is directly proportional to the amount in moles.

5.1.5 Molar gas volume and volumes of gases in reactions Lesson

  1. GCSE
  2. /Chemistry
  3. /5.1.5 Molar gas volume and volumes of gases in reactions

Step-by-step lessons on OCR GCSE Chemistry 5.1.5 Molar gas volume and volumes of gases in reactions. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

Lessons