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Essay on copper

This is the first 1,000 characters of 404 words (1.62 pages) in the essay titled copper

  Copper was one of the earliest elements known to man.  It was    

said to be discovered in Iraq about 9,000 B.C.  It is to far back to

recalect who actually founded the element.  The word copper

orriginated from the latin language (cuprus).  Copper was later mixed

with another alloy called bronze in about 5,000 B.C. This had made a

  Deposits of copper occur in the southwestern part of the U.S.

Other countries that mine this ore are:  Chile, Soviet Union, Canada,

Zambia, and Ziare.  Methods like power shovels and underground

operations are used to get the ore.  

  The chemistry of copper is important knowledge to know.  

Such as chemical properties which are ideal for many purposes.  It

is fairly soft,ductile and has a particular color.  Heat and electricity

pass through copper very easy.  Its melting point is 1,083oC and its

boiling point is 2,595oC.  It has a density of about 8.9% grams per

cubic centimeter.  Also important are its chemical properties.  Copper

is an active metal that disolves in most acids and akalis.  In moist air it

it mixes with H20 and C02 producing a greenish color.  

  Most uses with copper involve electricity and wiring.  It is used

in cables, busbars, tansformer windings and electrical componets.  

Deoxidized copper is easy to cast and used in chemical plants, copper

tubes, ship condensers, automoble radiators, domestic water pipes,      

roofing and GEA s.  Some of copper compounds like brass and  

...

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Keywords: copper compounds, deoxidized copper, copper tubes, ziare, food additives, alloy, paint water, marine paint, chemical properties, electricity, plants, fire retardents, fire works, cubic centimeter, power shovels, knowledge to know, brass and bronze, underground operations, battery fluid, busbars

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