Chemical Change

Bozeman Science
Bozeman Science
66.5 هزار بار بازدید - 11 سال پیش - 032 - Chemical ChangeIn this
032 - Chemical Change

In this video Paul Andersen explains how chemical differs from physical change.  In the laboratory macroscopic observations are used to infer changes at the particulate level.  Evidence for chemical change include gas production, change in temperature, change in odor, change in color, and formation of a precipitate.

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Music Attribution
Title: String Theory
Artist: Herman Jolly
http://sunsetvalley.bandcamp.com/trac...

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en.wikipedia, Original uploader was Willwood at. English: Photograph by Will Woodgate (Cornwall College, UK) Subsample Stood Under the Burette Prior to Titration., (original upload date). Transferred from en.wikipedia. http://commons.wikimedia.org/wiki/Fil....
"File:Indicateur Chou Rouge.jpg." Wikipedia, the Free Encyclopedia. Accessed September 7, 2013. http://en.wikipedia.org/wiki/File:Ind....
Hünniger, D.-M001_Augenschutz_benutzen svg: Torsten Henningderivative work: Dirk. Deutsch: Augenschutz Benutzen, Gebotszeichen, Rand Entwernt, Nicht DIN Konform, 18:23 (UTC). D-M001_Augenschutz_benutzen.svg. http://commons.wikimedia.org/wiki/Fil....
Institute, Bill Branson, National Cancer. Deutsch: Das Messen Des Gewichts Ist Ein Wichtiger Faktor Zur Bestimmung Des Body-Mass-Index. Übergewicht Kann Ursache von Krankheiten Sein., December 11, 2008. This image was released by the National Human Genome Research Institute, an agency part of the National Institutes of Health, with the ID 79200 (image) (next). http://commons.wikimedia.org/wiki/Fil....
PRHaney. English: Lead (II) Iodide Precipitates When Potassium Iodide Is Mixed with Lead (II) Nitrate., July 29, 2008. Own work. http://commons.wikimedia.org/wiki/Fil....
11 سال پیش در تاریخ 1392/06/20 منتشر شده است.
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