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- DictionaryI·de·al gas/īˌdē(ə)l ˈɡas/
noun
- 1. a hypothetical gas whose molecules occupy negligible space and have no interactions, and which consequently obeys the gas laws exactly.
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- Ideal gas
Theoretical gas composed of many randomly moving point particles whose only interactions are perfectly elastic collisions
An ideal gas is a theoretical gas composed of many randomly moving point particles that are not subject to interparticle interactions. The ideal gas concept is useful because it obeys the ideal gas law, a simplified equation of state, and is amenable to analysis under statistical mechanics. The requirement of zero interaction can often be relaxed if, for example, the interaction is perfectly elast... Wikipedia
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