Proportions of gases by volume
What Proportions of gases by volume means in Combined Science GCSE, as defined for AQA.
Definitions of Proportions of gases by volume
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Reference: AQA
The atmospheric proportions are proportions by volume, and for gases this is effectively the same as the proportion by number of molecules.
A proportion by volume, which for gases is effectively the same as proportion by number of molecules.
Topics that use Proportions of gases by volume
Related terms
- Oxygen as the second most abundant atmospheric gas
- Proportions of nitrogen and oxygen
- Trace gases and variability
- Using fractions and percentages to describe mixtures
- Variation and approximate nature of atmospheric data
- Atmospheric composition
- Composition of the atmosphere
- Composition of the atmosphere as a mixture
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