hydrogenation of unsaturated hydrocarbons

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• Hydrogenation — |date=1996|location=Washington, D.C.|pages=429|id=ISBN 0 8412 3344 6] Because of the importance of hydrogen, many related reactions have been developed for its use. Most hydrogenations use gaseous hydrogen (H2), but some involve the alternative… …   Wikipedia

• hydrogenation — Chemical reaction between molecular hydrogen (H2) and another element or a compound, usually in the presence of a catalyst. It may involve adding hydrogen at the sites of double or triple bonds (see bonding) to make them single bonds (i.e., to… …   Universalium

• hydrogenation — noun a chemical process that adds hydrogen atoms to an unsaturated oil food producers use hydrogenation to keep fat from becoming rancid • Derivationally related forms: ↑hydrogenate • Hypernyms: ↑chemical process, ↑chemical change, ↑chemical… …   Useful english dictionary

• Transfer hydrogenation — is the addition of hydrogen (H2; dihydrogen in inorganic and organometallic chemistry) to a molecule from a source other than gaseous H2. It is applied in industry and in organic synthesis, in part because of the inconvenience and expense of… …   Wikipedia

• Resonance (chemistry) — For other uses, see Resonance (disambiguation). Two of the contributing structures of nitrogen dioxide In chemistry, resonance or mesomerism [1] is a way of describing delocalized electrons within certain molecules or …   Wikipedia

• Sylvia T. Ceyer — Infobox Scientist name = Sylvia T. Ceyer caption = birth date = birth place = Chicago, Illinois death date = death place = nationality = field = Physical chemist work institution = NIST MIT alma mater =Hope College University of California,… …   Wikipedia

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• Catalytic processes and their catalysts — ▪ Table Catalytic processes and their catalysts process catalyst ammonia synthesis iron sulfuric acid manufacture nitrogen(II) oxide, platinum cracking of petroleum zeolites hydrogenation of unsaturated hydrocarbons nickel, platinum, or palladium …   Universalium

• Ipatieff , Vladimir Nikolayevich — (1867–1952) Russian–American chemist Ipatieff, a Muscovite by birth, became an officer in the Imperial Russian Army in 1887 and was educated at the Mikhail Artillery Academy (1889–92) in St. Petersburg. After further study in Germany and France… …   Scientists

• hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… …   Universalium

• petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium