only carbon and energy source in a saline environment. Besides‚ we demonstrated for the first time the 4-HBA and BA degradation ability of H. sp. KHS3. Several Halomonas strains have been described as efficient aromatic compounds degraders (Alva and Peyton‚ 2003; García et al. 2004; García et al.‚ 2005; Oie et al.‚ 2007; Dastgheib et al.‚ 2012; Piubeli et al.‚ 2012a‚ 2012b). For example‚ H. organivorans is characterized by its ability to use a wide range of organic compounds as the only carbon source
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which are the O- and N- of sodium saccharin are not solvated therefore are “naked” and the reaction is not inhibited and preceded in an accelerated rate. The reaction was an SN2 reaction. Since the Oxygen and Nitrogen are more electronegative than the carbon on which they’re attached electrons are pulled towards O- and N- attracting the ethane from Iodoethane. Iodine being more electronegative breaks off from ethane and joins the Na+. Since‚ the Oxygen of sodium saccharin is more electronegative than
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Another friend of Libra Dexter Patrick S. Baltazar Pre-test: Chemical balancing Instruction: Balance each chemical equation by adding a correct coefficient to it. Question 1 __ SnO2 + __ H2 → __ Sn + __ H2O Question 2 __ KOH + __ H3PO4 → __ K3PO4 + __ H2O Question 3 __ KNO3 + __ H2CO3 → __ K2CO3 + __ HNO3 Question 4 __ Na3PO4 + __ HCl → __ NaCl + __ H3PO4 Question 5 __ TiCl4 + __ H2O → __ TiO2 + __ HCl Question 6 __ C2H6O + __ O2 → __ CO2 + __ H2O Question 7 __ Fe + __ HC2H3O2 → __ Fe(C2H3O2)3 +
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on this relatively revolutionizing and satisfying solution of energy storage through Paper Batteries and provides an in-depth analysis of the same. A paper battery is a flexible‚ ultra-thin energy storage and production device formed by combining carbon nanotubes with a conventional sheet of cellulose-based paper. A paper battery can function both as a high-energy battery and super capacitor ‚ combining two discrete components that are separate in traditional electronics . This combination allows
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Holiday Gifts for Good -Silicon Valley Parents Develop GigatonGifts Website 1888 Press Release - GigatonGifts was launched in December by a group of Silicon Valley parents concerned about deforestation. Volunteer parents developed the GigatonGifts website (www.GigatonGifts.org)‚ where people can purchase trees and solar stoves in Africa and Haiti as gifts. San Francisco‚ CA - GigatonGifts was launched in December of 2013 by a group of Silicon Valley parents concerned about the planet
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of one hundred eighteen elements that either occur naturally or as laboratory productions. Of these‚ six of them are crucial to the vitality and sustainment of life. These include carbon‚ hydrogen‚ nitrogen‚ oxygen‚ phosphorus‚ and sulfur. For a molecule to be considered organic‚ it must contain rings or chains of carbon (Volesky). A molecule is a chemical species encompassing several or many nonmetal atoms. The atoms bond covalently. In other words‚ the electrons in the valence‚ or outermost‚ shells
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HISTORY OF CUTTING TOOL MATERIALS • Cutting tool used during the industrial revolution in 1800 A.D • First cutting tool was cast using crucible method (1740) and slight hardened by H.T. • 1868: R. Mushet found by adding Tungsten we can increase hardness and tool life ( Air Quenching) • F.W.Taylor in Pennsylvania did the most basic research in metal cutting between 1880-1905 • Invented high speed steel (better H.T. process) • Better alloy
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Are Aromatic Hydrocarbons Carcinogenic Aromatic hydrocarbons or arenes are hydrocarbons characterized by alternating double and single bonds between carbons. Benzene is the most common aromatic hydrocarbon‚ but there are some non-benzene based compounds called heteroarenes‚ where a carbon is replaced by an oxygen‚ nitrogen‚ or sulfur‚ that are also aromatic compounds. Aromatic hydrocarbons exist in our daily lives regardless if we recognize them or not. Aromatic hydrocarbons are ingested or
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special case of conjugation that leads to an especially stable bonding arrangement. The benzene ring consists of six sp2 hybridized carbon atoms in a regular hexagon. Each carbon forms two σ-bonds with adjacent carbons‚ and a third σ-bond with a hydrogen atom. The 2p orbital on each atom is available for π-bonding. Interaction between the p orbitals on the six carbon atoms forms a conjugated system of π-electrons. Molecules with this bonding arrangement are called aromatic molecules. For convenience
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reaction‚ a bond is formed between two molecules and creates water as a byproduct. Aldol condensation is a C-C bond forming reaction between the alpha Carbon of the aldehyde or ketone and carbonyl carbon of another ketone or aldehyde. Aldol condensation is different from aldol condensation reaction. For aldol addition reaction‚ the alpha carbon of one aldehyde or ketone adds to the carbonyl group of the other ketone or aldehyde. This process creates a beta-hydroxy carbonyl‚ which is called aldol
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