Freon

From the Paper:

"Freon is the commonly known trade name used by E.I. du Pont de Nemours and Company to refer to a certain class of chemical compounds known as "refrigerants." Refrigerants are synthetic compounds called chlorofluorocarbons that are used to perform a variety of basic jobs. Chlorofluorocarbons generally are considered very stable, safe compounds; they are colorless, odorless, nontoxic, noncorrosive, and nonflammable. They vaporize at 300 degrees. Unfortunately, however, although they are considered nonreactive (or inert), they are believed to undergo destructive reactions when they reach the upper atmosphere that damage the ozone layer.

To make Freons, carbon tetrachloride (CCl4) or chloroform (CHCl3) is combined with anhydrous hydrogen fluoride (HF) and a suitable catalyst. The Freon results when a chlorine or a ... "

More papers on Freon:

• Essay # 22138 : "Disposal Of Environmentally Damaging Fluids"
• Term Paper # 146502 : "The Hole in the Ozone Layer"

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