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Gaz Etimologie | Vezi și | Referințe | Meniu de navigaregazAnimated Gas LabHyperPhysicsWordWebThe...


GazeConcepte fizice fundamentaleCuvinte din neerlandezăStări ale materiei


fluideJan Baptist van Helmontneerlandezăre-ortografierichaos










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Gaz




De la Wikipedia, enciclopedia liberă






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Pentru alte sensuri, vedeți Gaz (dezambiguizare).

Gazul este una din stările de agregare ale materiei.


Gazele sunt fluide care ocupă întreg volumul în care se află și au o compresibilitate ridicată. Această comportare se explică prin structura moleculară a gazelor, care este diferită de cea a lichidelor. La gaze, forțele de atracție moleculară sunt practic neglijabile, moleculele deplasându-se liber unele în raport cu celelalte, deplasări însoțite de ciocniri elastice. Distanța dintre molecule este mult mai mare în raport cu dimensiunile acestora, cea ce explica lipsa forțelor de atracție între moleculele gazelor.



Etimologie |





Caută gaz în Wikționar, dicționarul liber.

Cuvântul "gaz" ("gas" în original) a fost inventat de Jan Baptist van Helmont, probabil ca o pronunțare din neerlandeză a unei re-ortografieri a cuvântului "chaos" din greaca veche.[1]



Vezi și |



Commons


Wikimedia Commons conține materiale multimedia legate de gaz



  • Factor de compresibilitate

  • Termodinamică

  • Gaz nobil

  • Gaz perfect

  • Gaz ideal

  • Gaz real



Referințe |




  • John D. Anderson. Modern Compressible Flow: Third Edition New York, NY : McGraw-Hill, 2004. ISBN 0-07-124136-1

  • Philip Hill and Carl Peterson. Mechanics and Thermodynamics of Propulsion: Second Edition Addison-Wesley, 1992. ISBN 0-201-14659-2

  • John D. Anderson. Fundamentals of Aerodynamics: Fourth Edition New York, NY : McGraw-Hill, 2007. ISBN-13: 978-0-07-295046-5 ISBN-10: 0-07-295046-3

  • National Aeronautics and Space Administration (NASA). Animated Gas Lab. Accessed February, 2008.

  • Georgia State University. HyperPhysics. Accessed February, 2008.

  • Antony Lewis WordWeb. Accessed February, 2008.

  • Northwestern Michigan College The Gaseous State. Accessed February, 2008.




  1. ^ Online Etymology Dictionary

























v • d • m

Fazele materiei– Fizica materiei condensate









Solid Cristal lichid Lichid Gaz Plasmă



Phase change - ro.svg

Altele

Stare coloidală · Fluid supercritic · Superfluid · Supersolid · Condensare Bose-Einstein · Condensare fermionică · Materie degenerată · Stranietate · Plasmă Quark-Gluon · Listă a fazelor materiei


Concepte

Punct de topire · Punct de fierbere · Punct triplu · Punct critic · Ecuația de stare · Curbă de răcire · Tranziție de fază










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