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Structure 1.5.1—An ideal gas consists of moving particles with negligible volume and no intermolecular forces. All collisions between particles are considered elastic.

Experiments

Here are experiments our science specialists have selected to support this IB* topic.

The Molar Mass of a Volatile Liquid

Experiment #3 from Advanced Chemistry with Vernier

In this experiment, you will

  • Evaporate a sample of a liquid substance and measure certain physical properties of the substance as it condenses.
  • Determine the molar mass of an unknown liquid.

Educational Standard
International Baccalaureate (IB) 2025
Subject
Chemistry
Organizing concepts
Structure 1. Models of the particulate nature of matter
Subtopics
Structure 1.5—Ideal gases
Level
Standard level and higher level

* The IB Diploma Program is an official program of the International Baccalaureate Organization (IBO) which authorizes schools to offer it. The material available here has been developed independently of the IBO and is not endorsed by it.

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