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- Avogadro's_law abstract "Avogadro's law (sometimes referred to as Avogadro's hypothesis or Avogadro's principle) is an experimental gas law relating volume of a gas to the amount of substance of gas present. A modern statement of Avogadro's law is:Avogadro's law states that, "equal volumes of all gases, at the same temperature and pressure, have the same number of molecules".For a given mass of an ideal gas, the volume and amount (moles) of the gas are directly proportional if the temperature and pressure are constant.which can be written as:orwhere:V is the volume of the gasn is the amount of substance of the gas (measured in moles).k is a constant equal to RT/P, where R is the universal gas constant, T is the Kelvin temperature, and P is the pressure. As temperature and pressure are constant, RT/P is also constant and represented as k. This is derived from the ideal gas law.This law explains how, under the same condition of temperature and pressure, equal volumes of all gases contain the same number of molecules. For comparing the same substance under two different sets of conditions, the law can be usefully expressed as follows:The equation shows that, as the number of moles of gas increases, the volume of the gas also increases in proportion. Similarly, if the number of moles of gas is decreased, then the volume also decreases. Thus, the number of molecules or atoms in a specific volume of ideal gas is independent of their size or the molar mass of the gas.The law is named after Amedeo Avogadro who, in 1811, hypothesized that two given samples of an ideal gas, of the same volume and at the same temperature and pressure, contain the same number of molecules. As an example, equal volumes of molecular hydrogen and nitrogen contain the same number of molecules when they are at the same temperature and pressure, and observe ideal gas behavior. In practice, real gases show small deviations from the ideal behavior and the law holds only approximately, but is still a useful approximation for scientists.".
- Avogadro's_law wikiPageExternalLink 1mat12.htm.
- Avogadro's_law wikiPageExternalLink 1811.html.
- Avogadro's_law wikiPageID "238680".
- Avogadro's_law wikiPageRevisionID "606218219".
- Avogadro's_law hasPhotoCollection Avogadro's_law.
- Avogadro's_law subject Category:Amount_of_substance.
- Avogadro's_law subject Category:Gas_laws.
- Avogadro's_law type Abstraction100002137.
- Avogadro's_law type Collection107951464.
- Avogadro's_law type GasLaws.
- Avogadro's_law type Group100031264.
- Avogadro's_law type Law108441203.
- Avogadro's_law comment "Avogadro's law (sometimes referred to as Avogadro's hypothesis or Avogadro's principle) is an experimental gas law relating volume of a gas to the amount of substance of gas present.".
- Avogadro's_law label "Avogadro's law".
- Avogadro's_law label "Avogadrosches Gesetz".
- Avogadro's_law label "Lei de Avogadro".
- Avogadro's_law label "Ley de Avogadro".
- Avogadro's_law label "Loi d'Avogadro".
- Avogadro's_law label "Prawo Avogadra".
- Avogadro's_law label "Wet van Avogadro".
- Avogadro's_law label "Закон Авогадро".
- Avogadro's_law label "قانون أفوجادرو".
- Avogadro's_law label "アボガドロの法則".
- Avogadro's_law label "阿伏伽德罗定律".
- Avogadro's_law sameAs Avogadrův_zákon.
- Avogadro's_law sameAs Avogadrosches_Gesetz.
- Avogadro's_law sameAs Υπόθεση_Αβογκάντρο.
- Avogadro's_law sameAs Ley_de_Avogadro.
- Avogadro's_law sameAs Avogadroren_legea.
- Avogadro's_law sameAs Loi_d'Avogadro.
- Avogadro's_law sameAs Hukum_Avogadro.
- Avogadro's_law sameAs アボガドロの法則.
- Avogadro's_law sameAs 아보가드로의_법칙.
- Avogadro's_law sameAs Wet_van_Avogadro.
- Avogadro's_law sameAs Prawo_Avogadra.
- Avogadro's_law sameAs Lei_de_Avogadro.
- Avogadro's_law sameAs m.01jm5v.
- Avogadro's_law sameAs Q170431.
- Avogadro's_law sameAs Q170431.
- Avogadro's_law sameAs Avogadro's_law.
- Avogadro's_law wasDerivedFrom Avogadro's_law?oldid=606218219.
- Avogadro's_law isPrimaryTopicOf Avogadro's_law.