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Tuesday, December 17, 2013

The Beginning Of The CFC(chlorofluorocarbons) Era Started In 1928, When CFC Wer

Cfcs The beginning of the CFC(chlorofluorocarbons) era started in 1928, when CFC were invented by a Du Pont chemist. CFC were trump out known as "freons" and became famous as a safe, noncombustible refrigerant. Its invention became a great triumph when Freon took the place of southeast dioxide or ammonia which was employ as the working liquifiable in refrigerators. It eventually became widely used in elevation car air conditioners and nontoxic propellants in aerosol cans. Its insulating properties to a fault was used for blowing agents for plastics and foam cups.Thus CFCs became used all over the land and its business line got bigger and bigger until late in 1973.
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Sherwood Rowland and Mario Molina, two dominating chemists, came up with a surprising forget in his calculations concerning the CFCs and ozone layer. CFCs ar basically inactive in the troposphere(around the tiptop of 50,000 feet) so it would piecemeal drift upward until they reached the mid-stratosphere.(about 100,000 feet) At this...If you wish to get a full essay, order it on our website: OrderCustomPaper.com

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