cycle covered in the book and in class. My article is titled Nitrogen Fertilization Changes Abundance and Community Composition of Ammonia-Oxidizing Bacteria. I liked the research and believe that it is very thorough I also understand the importance of bacteria on soil health. Shen‚ W.‚ Lin‚ X.‚ Gao‚ N.‚ Shi‚ W.‚ Min‚ J.‚ & He‚ X. (2011). Nitrogen fertilization changes abundance and community composition of ammonia-oxidizing bacteria. Soil Science Society of America Journal‚ 75(6)‚ 2198-2205. Retrieved
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The Copper A. In the text “the Copper” Glenn Gavin tells about his experience and viewpoints 20 months after he joined the Metropolitan Police. In the text are different subjects discussed. Glenn Gavin talks about his upraise inside the family and at school‚ the role of rules‚ his choice of carrier‚ and attitude toward politics. When Gavin was a kid his parents gave him a “guiding kick up the backside every now and then” (p. 1 l. 2). For example when he “came in late” (p. 1 l.3) or if he “was
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Q. 1. What do you observe when ammonia gas is bubbled through red litmus solution? Q. 2. Write an equation for solutions of ammonium chloride and sodium hydroxide are heated. Q. 3.(i) What is the purpose of Haber’s Process ? (ii) Name the gaseous inputs of the Haber’s Process and state the ratio by volume in which the gases are mixed. (iii) What is done to increase the rate of reaction in the Haber Process ? (iv) Give two different ways by which the product can be separated from the reactants
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Presented at IIAR 2001 Ammonia Refrigeration Convention & Exhibition Long Beach‚ CA March 18-21‚ 2001 GRAVITY SEPARATOR FUNDAMENTALS AND DESIGN DOUGLAS T. REINDL‚ PH.D.‚ P.E. TODD B. JEKEL‚ PH.D. UNIVERSITY OF WISCONSIN / INDUSTRIAL REFRIGERATION CONSORTIUM J. MICHAEL FISHER VILTER MANUFACTURING CORPORATION Executive Summary The objective of this paper is to review the literature on the principles governing gravitydriven separation of liquid-vapor mixtures‚ review design methods for separators
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molecules that are in the hydrate. Copper(II) sulfate pentahydrate‚ or CuSO4 * 5H2O‚ is a ratio of one copper sulfate to five (penta) molecules of water. Copper sulfate pentahydrate is a blue hydrate while anhydrous copper sulfate (CuSO4) is white. To get anhydrous copper sulfate‚ copper sulfate pentahydrate must go through an endothermic reaction and have all of its water molecules evaporated. It then becomes the white‚ flaky‚ and chalky material anhydrous copper sulfate. Adding
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major factors that often contribute to the formation of hydrothermal copper porphyry: 1) readily available mineralizing fluid solutions that dissolve and transport metals‚ 2) openings in rocks which allow permeable flow of hydrothermal fluids and the metals that they transport in solution‚ 3) available sites within the fractured rocks which allow for deposition of the minerals from solution‚ and 4) the requisite chemical reactions that contribute to that deposition (Bateman‚ 1967). Before any of these
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Environmental effects of copper Copper can be released into the environment by both natural sources and human actions. Examples of natural sources are wind-blown dust‚ decaying vegetation‚ forest fires and sea spray. Other examples are mining‚ metal production‚ wood production and phosphate fertilizer production. Because copper is released both naturally and through human activity it is very widespread in the environment. Copper is often found near mines‚ industrial settings‚ landfills and waste
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3rd‚ 2009 Lab Report #3: Copper Cycle Abstract: The purpose of the experiment is to cycle solid copper through a series of five reactions. At different stages of the cycle‚ copper was present in different forms. First reaction involves reaction between the copper and nitric acid‚ and copper changed from elemental state to an aqueous. The second reaction converted the aqueous Cu2+ into the solid copper (2) hydroxide. In the third reaction Cu(OH)2 decomposed into copper 2 oxide and water when heated
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1- Dissolution of Copper Mass of vial & copper = 3.537g Mass of vial = 2.505g Mass of Copper = 1.032g Moles of copper = mass (g) ÷ (63.5g/mol) = 0.0162 mol (3s.f) Copper description: Initially‚ the copper was a solid that was cut into thin strips. It had a shiny/metallic and opaque look‚ with an orange colour. HNO3 description: The nitric acid solution was a transparent‚ colourless‚ homogenous liquid. Notes and observations on the reaction: Final: Blue
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A Sequence of Chemical Reactions: Transforming Copper Briefly describe. a) Why must you carry out the oxidation of Cu with HNO3 in a fume hood? Concentrated nitric acid is a toxic oxidant. Avoiding skin contact or inhalation is highly important. The reaction between Cu and HNO3 produces NO2‚ a toxic brown gas; therefore working under the fume is necessary in order to prevent inhaling the toxic gas. b) Why you should be particularly careful when you work with 3 M H2SO4 solution? Sulfuric acid
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