Friday, November 15, 2013

Mercury

MERCURY          mercury is a metallic element that is a semiliquid at room temperature, it is one of the transition elements. flying billss atomic turning is 80. It is superconductive when cooled to within a few degrees of arrogant zero. atomic number 80 was at a time known as liquid silver or reassignful which was studied by the alchemists. atomic number 80 was first distinguished as an element by the cut chemist Antoine Laurent Lavoisier in his essay on the composition of air. At room temperature mercury is a shining, moving liquid that has a silvery-white color, and slightly volatile. Mercury stay a liquid all over a wide temperature range. Mercury is a solid when presumptuousness a pressure of 7640 atmospheres (5.8 one million million torrs). It dissolves in nitric or concentrated sulfuric unpleasant scarce is resistant to alkalies. Mercury melts at -39C, boils at closely 357C,and has a gravity of 13.5. The atomic weight of mercury is 2 00.59. Mercury comes in its pure throw or combined with silver in small amounts. It is mostly found in the form of the sulfide. Mercury has many uses and is a very important element. A major(ip) use of mercury is in electrical equipment such as fluorescent lamps, and mercury batteries. Mercury is use in thermometers because the alter in volume for each degree of rise or fall in temperature is the same.
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The use of mercury in the thermometer soma of of alcohol was done by Gabriel Daniel Fahrenheit in 1714. It was in like manner utilize in vacuum pumps, barometers, and electric rectifiers and switches. M ercury is employ in a mercury-vapor lamps w! hich are utilise as a source of ultraviolet rays in homes and for sterilizing water. Mercury-vapor is also used rather of steam in the boilers of some turbine engines. Mercury is sometimes used for amalgamation. Amalgamation is a metallurgical process that utilizes mercury... If you want to mystify a full essay, order it on our website: BestEssayCheap.com

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