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The Ideal Gas Equation

AQA AS-level ChemistryAmount of SubstanceLesson 14 of 33

The molecules that make up an ideal gas are in constant random motion. Assumptions:

Collisions are elastic, the size of the molecules are negligible compared to the volume of the gas and there are no intermolecular forces.

The ideal gas equation is:

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Key terms in this lesson

Mole
The amount of substance that contains as many particles as there are atoms in exactly 12g of carbon-12.
Molar gas volume
The volume occupied by one mole of any gas at a stated temperature and pressure.

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