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000 B C Chemical Properties
416 wordsCopper 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 reflect who actually founded the element. The word copper originated from the latin language (cyprus). 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 sh...
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Copper In Nitric Acid
554 words3 Cu + 8 HNO 3 -- 3 Cu (NO 3) 2 + 2 NO + 4 H 2 O The balanced equation seen on the top is what you attain when you place copper metal in concentrated nitric acid. In this process the identifiable characteristics of the metal will be completely changed and a new substance, cupric nitrate, will be formed. Copper forms two series of chemical compounds: cuprous, and cupric. Cuprous compounds are easily oxidized to cupric, in many cases by simple exposure to air; cupric compounds are stable. When nit...
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Fiber Optic Cable Fiber Optics
1,581 wordsFiber optics is a cable that is quickly replacing out-dated copper wires. Fiber optics is based on a concept known as total internal reflection. It can transmit video, sound, or data in either analog or digital form. Compared to copper wires it can transmit thousands of times more data (slide 2). Some of its general uses are telecommunications, computing, and medicine. The very first fiber was made in 1870 by the British physicist John Tyndal. In this experiment that he showed to the Royal Socie...
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One Of The Most Important Hydrogen Ions
1,103 wordsIn this highly technological world with advanced machines, electronics have been woven into almost every aspect of everyday life. Batteries are integrated into the majority of any electric appliance found in the home and work place, and therefore could be titled as one of the most important tools to ever be invented. The knowledge of how batteries operate is substantial to understanding the basics of any electrical contraption. The first evidence of batteries was dated to be from in the neighbor...
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000 Short Tons Ways To Detect Copper
699 wordsBlake Adams Period 3 Grade 8 2 / 5 / 97 Copper is a mineral. it is not a plant or a animal. Copper is a metallic metal. It can never be broken down into different substances by normal chemical means. Copper was one of the first metals known to humans. People liked it because in it's native condition, it could easily be beaten into weapons or tools. Copper has been one of the most useful metals for over 5000 years. Copper was probably used around 8000 B. C by people living along the Tigris and Eu...
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Natural Resource Open Pit Copper
503 wordsCOPPER Copper is a naturally occurring element that is not radioactive. It has a bright, metallic luster, and a hardness of three. It takes on a cubic crystal structure, with a density of 8. 96. Copper is malleable, ductile, and a very good conductor of heat and electricity, second only to silver. This natural resource melts at 1, 083 degrees celcius and boils at 2, 567. If you ever feel like boiling copper at home, I recommend a very big oven. All copper falls into two main categories: oxidized...
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Copper Wire Metaphysical Poets
2,135 wordsBarbara E. Brown Canes most dazzling moment of regeneration is enabled by another image of connection: the tongue. Like roots and curls of smoke, the tongue can be pictured as a winding line, and it is in this form that it becomes the center of " Her Lips Are Copper Wire, " a poem which must be Canes most stunning single piece: Whisper of yellow globes Gleaming on lamp-posts that sway Like bootleg licker drinkers in the fog And let your breath be moist against me Like bright beads on y...
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