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Also known as gaseous matter, gases
thumb|Suspended particulates indicate the movement of the surrounding gas.
A gas is a form of matter that spreads out to fill any space available to it, as you can see from how suspended particles move through the air around it. Gases matter because they're all around us—from the air we breathe to the gases used in industrial processes—and understanding how they behave helps us understand the world.
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Research
536,555 papers- Effect of occupational exposure to petrol and gasoline components on liver and renal biochemical parameters among gas station attendants, a review and meta-analysis.Reviews on environmental health · 2020Rahimi Moghadam S, Afshari M, Ganjali A et al.DOI: 10.1515/reveh-2019-0107
- Gas-powered pulmonary resuscitators.Health devices · 1989
- Gas sniffing as a form of substance abuse.Canadian journal of psychiatry. Revue canadienne de psychiatrie · 1984Remington G, Hoffman BFDOI: 10.1177/070674378402900107
- Biofuels combustion.ReviewAnnual review of physical chemistry · 2013Westbrook CKDOI: 10.1146/annurev-physchem-040412-110009
- Gasoline sniffing.ReviewThe American journal of medicine · 1985Fortenberry JDDOI: 10.1016/0002-9343(85)90525-x
- Gas taxes and motor vehicle fatalities.Journal of health politics, policy and law · 1988Leigh JP, Frank ALDOI: 10.1215/03616878-13-4-723
- Toxicology update. Gasoline.ReviewJournal of applied toxicology : JAT · 1989
- Lead in petrol.British medical journal (Clinical research ed.) · 1982
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Article
35 sectionsContents
- Elemental gases
- Etymology
- Physical characteristics
- Macroscopic view of gases
- Pressure
- Temperature
- Specific volume
- Density
- Microscopic view of gases
- Kinetic theory of gases
- Thermal motion and statistical mechanics
- Brownian motion
- Intermolecular forces - the primary difference between ''Real'' and ''Ideal'' gases
- Mathematical models
- Ideal and perfect gas
- Real gas
- Permanent gas
- Historical research
- Boyle's law
- Charles's law
- Gay-Lussac's law
- Avogadro's law
- Dalton's law
- Special topics
- Compressibility
- Boundary layer
- Turbulence
- Viscosity
- Reynolds number
- Maximum entropy principle
- Thermodynamic equilibrium
- See also
- Notes
- References
- Further reading
thumb|Suspended particulates indicate the movement of the surrounding gas.
Gas is a state of matter with neither fixed volume nor fixed shape. It is a compressible form of fluid, in contrast to a liquid. A pure gas consists of individual atoms (e.g. a noble gas like neon), or molecules (e.g. oxygen (O2) or carbon dioxide). Pure gases can also be mixed together such as in the air. What distinguishes gases from liquids and solids is the vast separation of the individual gas particles. This separation can make some gases invisible to the human observer.
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