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Research Paper, Essay on Chemistry, Uranium

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Essay/Term paper: Uranium

Essay, term paper, research paper:  Chemistry

Uranium is a silvery-white element possessing a very radioactive and oxidizing character. Uranium retains a density of 19.07 grams per cubic centimeter and a melting point of roughly 1,132 degrees centigrade. With a boiling point of approximately 3,818 degrees Celsius uranium is not an easy element to get to a melting or boiling point. The Periodic Table says that uranium has 92 protons and 146 neutrons thereby acquiring a atomic weight of 238 atomic mass units. Uranium burns readily in air at 150 to 175 degrees centigrade and at 1,000 degrees Celsius uranium combines with nitrogen to form a yellow nitride. Uranium is found in such ores as pitchblende and carnotite. In the crust of the Earth uranium is found at about 2 parts per million. In order words, for every half million tons of nature one digs up, they can expect to find one ton of uranium, not an abundant is found. To mine this element, miners will break up and mix pitchblende with sulfuric and nitric acids. This then breaks the uranium into uranyl sulfate and with the addition of heat, uranium is then precipitated as sodium diuranate and collected. Humans today use uranium to produce nuclear weapons and nuclear reactors. While producing electrical energy, power plants consume close to 40 million tons of coal per month, while the same output could be obtained by using only 15 pounds of uranium per month. 

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