(First: FCKW ("Fluorchlorierte Kohlenwasserstoffe") are those
substances we use in refrigerators and air-conditioners like
=46REON (C Cl2 F2) - how do YOU call them?
One of my students wrote: "1 molecule of FREON can destroy up to
10^6 molecules O3".(I don't know his source yet). Is this a
realistic number?
Bye, bye
Guntbert
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+please correct me, if I misuse some technical terms+
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Mag. Guntbert Reiter, Graz, Austria
teacher for physics, mathematics and computer science
e-mail : guntbert@cut.big.ac.at