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Freon Essays and Term Papers
The Importance Of The Ozone LayerThe February 17, 1992 edition of time magazine's cover story started like
this: "The world now knows that danger is shining through the sky. The
evidence is overwhelming that the earth's stratospheric ozone layer-our
shield against the sun's hazardous ultraviolet rays-is being eaten away by
man ...
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The Destruction Of The Ozone LayerThe February 17, 1992 edition of time magazine's cover story started like
this: "The world now knows that danger is shining through the sky. The
evidence is overwhelming that the earth's stratospheric ozone layer-our
shield against the sun's hazardous ultraviolet rays-is being eaten away by
man ...
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Aerosol Spray CansSpray cans produce an aerosol, the technical term for a very fine spray.
They do this by means of a pressurized propellant, which is a liquid that boils
at everyday temperatures. Inside the can, a layer of gaseous pressure increased,
and eventually it becomes so high that boiling stops. when the ...
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Global WarmingMission Plan
a. Analysis of the Problem
1. History of the Problem
Some scientist's have been concerned since 1896 about what might happen
if there were 5.5 billion tons carbon dioxide in our atmosphere. In 1961 a
British scientist did an experiment showing that the carbon in the air ...
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Cfcs Cause Deterioration Of The Ozone LayerThe deterioration of the ozone layer , caused by Cfcs, endangers the
lives of humans'. Cfcs have a diminishing effect on the ozone layer.
Furthermore, the deterioration of the ozone cause an increase of Ultraviolet
(UV) radiation which can have a negative effect on human skin and eyes. As ...
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Chloroflourocarbonswere discovered in the 1920's by Thomas Midgley, an
organic chemist at General Motors Corporation. He was looking for inert, non-
toxic, non-flammable compounds with low boiling points that could be used as
refrigerants. He found what he was looking for in the form of two ...
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CfcThe beginning of the (chlorofluorocarbons) era started in 1928, when ' were invented by a Du Pont chemist. ' were best known as "freons" and became famous as a safe, nonflammable refrigerant. It's invention became a great triumph when Freon took the place of sulfur dioxide or ammonia which was ...
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The Element Carbon And Its ImportanceCarbon is one of the most important chemical elements. Industry
uses it in a wide variety of products, and all living things are based on
carbon. Without carbon, life would be impossible! Yet carbon makes up
less than 0.03 percent of the earth's crust. Pure carbon exists in nature
in the form ...
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The History Of CarbonI. Introduction
A.
II. Occurrences in Nature
A. Diamond
B. Graphite
C. Coal and Charcoal
D. Amorphous Carbon
III. Carbon Compounds
A. Inorganic
B. Organic
IV. The Carbon Cycle
IV. Conclusion
Carbon, an element discovered before history itself, is one of the most
abundant ...
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Geothermal EnergyPhysics 009
Professor Arns
The human population is currently using up its fossil fuel supplies at
staggering rates. Before long we will be forced to turn somewhere else for
energy. There are many possibilities such as hydroelectric energy, nuclear
energy, wind energy, solar energy and ...
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Technology In The HomeThe Toilet Yes...those tales you've heard are true. The toilet was first patented in England in 1775, invented by one Thomas Crapper, but the extraordinary automatic device called the flush toilet has been around for a long time. Leonardo Da Vinci in the 1400's designed one that worked, at ...
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Problems In Today's SocietyThere are many problems right now in the society. Some of these
problems can be easily solved, or can be impossible to solve depending how bad
it is. Many people think these problems should be solved by the governments,
since they are in charge. But we can also solve these problems if we ...
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How Technology Has Hurt UsAlthough many inventions have helped us and made our lives easier they
have also caused some problems.
With the invention of the car came problems such as air pollution.
Cities are becoming more and more congested with people using their cars even
for short distances. The government is trying to ...
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"HOME TECH": The Inner WorkingsThe Toilet
Yes...those tales you've heard are true. The toilet was first patented in
England in 1775, invented by one Thomas Crapper, but the extraordinary
automatic device called the flush toilet has been around for a long time.
Leonardo Da Vinci in the 1400's designed one that worked, at least ...
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Geothermal EnergyBy Sean Griffiths
Physics 200
The human population is currently using up its fossil fuel supplies at staggering rates. Before long we will be forced to turn somewhere else for energy. There are many possibilities such as hydroelectric energy, nuclear energy, wind energy, solar energy and to name ...
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