Yellow Cake

Why Is Yellowcake Uranium Called Yellowcake? Wednesday may 9, 2012 work you incessantly wondered how yellowcake atomic number 92 got its name? Yellowcake or urania is a uranium powder obtained from leach solutions during uranium ore processing. Modern yellow cake consists of 70-90% uranium oxides. The material is called yellowcake because a stick of the powder recruitd by early uranium mining operations resembled a yellow cake. However, modern yellowcake usually is brown or black. Photo: A outwit of yellowcake uranium, viewed from above. (US Department of Energy) Comments (0)PermalinkShare Chrome Versus chromium Wednesday May 9, 2012 fill you ever wondered what the difference is between chromium-plate and chromium? Chromium is an fragment. It is a hard, corrosion-resistant transition metal. Chrome, which you may see as nonfunctional spruce on cars and motorcycles or to harden tools utilize for industrial processes, is an electroplated forge of chromium ove r another metal. Either hexavalent chromium or trivalent chromium may be used to produce chromium-plate. The electroplating chemicals for both processes are toxic and regulated in numerous countries. Hexavalent chromium is extremely toxic, so trivalent chrome or tri-chrome tends to be more popular for modern applications. In 2007 hexa-chrome was verboten for use on automobiles in Europe.

Some chrome for industrial uses remains hexa-chrome because the corrosion resistance of hexa-chrome plating tends to pinch that of tri-chrome plating. Its enkindle to note that prior to the 1920s the decorating plating on automobiles was nickel note and not chrome. Comments (0)PermalinkShare This Da y in Science History - May 9 - Gay-Lussac T! uesday May 8, 2012 May 9th marks the passing of Gay-Lussac. Guy-Lussac was the cut pill roller who gave us two ideal muck up laws and discovered the element boron. He is also known for the building block degrees Lussac or degrees Gay-Lussac to pulse ethyl alcohol by book of account in a liquid, usually associated with beverages. In the United...If you want to transmit a safe essay, order it on our website: OrderEssay.net

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