MEDICINE 29:209-2 14 (1 996) Chronic Lung Disease Secondary to Ammonia Inhalation Injury: A Report on Three Cases Rafael E. de la Hoz‚ MD‚ MPH‚ Donald P. Schlueter‚ MD‚ and William N. Rom‚ MD‚ MPH Inhalation of highly hydrosoluble toxicants‚ like ammonia‚ can be associated with chronic lung diseases‚ which have been partially characterized. We present the cases of three patients who were evaluated 2 years after massive exposure to ammonia in occupational settings. They presented with chronic dyspnea
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Aatreya Chakravarti Ms. May April 22th‚ 2013 Chemistry Honors Comparing Rates of Evaporation Pre-Lab Questions Chakravarti 1 2. What is evaporation? Describe what happens at the molecular level during evaporation. Evaporation is the process by which molecules undergo a change in state from a liquid to a gas. At a molecular level a molecule needs a set energy level to evaporate. When molecules collide they transfer energy. Eventually one molecule will get the energy required to change state
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reason for the definitions is because aquaponics is a mixture of aquaculture and hydroponics. It is the same concept as hydroponics. The plants roots are submerged in water with fish waste and ammonia that are added is the part of the system that is like aquaculture. The plants absorb and suck up all the ammonia and turn them into nitrites and then into nitrogen‚ which then helps the plants because the plants need nitrogen in order to live. The aquaponic system consists of two main parts the reservoir
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Chemistry Lab: Haber’s Process (A Computer Simulation) Cherno Okafor Mr. Huang SCH4U7 October 8th‚ 2012 Introduction The Haber process is the process by which ammonia (NH3) is produced. The equation for this reaction is... The symbol shown in the middle means it is a reversible reaction so the product can decompose back into the reactants. Therefore‚ optimum conditions must be selected to get the greatest yield. When the forward and backward reactions are the same‚ it is said
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Water." AZ Master Gardener Manual: Water. The University of Arizona‚ 1998. Web. 01 June 2013. Braley‚ Heide. "What Kinds of Liquids Affect Plant Growth?" EHow. Demand Media‚ 08 July 2011. Web. 01 June 2013. Brennan‚ John. "The Effect of Household Ammonia on Plant Growth." EHow. Demand Media‚ 27 Sept. 2010. Web. 01 June 2013. Conrad‚ Jamie. "How Do Different Types of Liquid Affect Bean Plant Growth? | EHow." EHow. Demand Media‚ 05 Sept. 2011. Web. 01 June 2013. "Environmental Effects of Acid Rain."
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steps involve living organisms in a continuous cycle. Bacteria are involved in all these steps except in assimilation process (citation) The first step in the nitrogen cycle‚ nitrogen fixation‚ involves the conversion of gaseous nitrogen (N2) to ammonia (NH3) or nitrate (NO3-). This process is termed nitrogen fixation because “nitrogen is fixed into a form that living things can use” (Berg et al.‚ 1993‚ p. 1162). There are many ways in which nitrogen could be fixed; these include by combustion‚ lightning
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calcium ion solution (1.000 g CaCO3/L solution) First Titration Initial burette reading 0.0mL Final burette reading 26.6mL Ammonia 3.0mL Na2EDTA= .0037M Second Titration Initial burette reading 0.1mL Final burette reading 28.0mL Ammonia 3.1mL Na2EDTA=.0036M Third Titration Initial burette reading 0.0mL Final burette reading 26.6mL Ammonia 3.1mL Na2EDTA=.0037M
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Procedures/Materials Needed: 1 Toothpicks 1 Sheet of white and dark paper 1 Paper towel 1 Distilled water 1 Small amounts of household cleaning products 1 Goggle-safety 1 Well-Plate-24 1 Well-Plate-96 1 Pipet‚ Empty Short Stem 1 Aqueous Ammonia‚ 1M -1mL 1 Bromthymol Blue‚ 0.04% - 2 mL in Pipet 1 Copper (II) Sulfate‚ 0.2 M – 2 mL in Pipet 1 FDC Blue Dye #-1.0.1% - 2 mL in Pipet 1 Hydrochloric Acid‚ 1.0M-1 mL 1 Lead (II) Nitrate‚ 0.2 M- 2 mL in Pipet 1 PhenolphthaleinSolution1%1mL 1
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How fast is your reaction? Part 1 – How temperature affect the rate of reaction Chemical equation Magnesium + hydrochloric acid → magnesium chloride + hydrogen Mg + 2HCL → MgCl2 + H2 Graph Conclusion and questions 1. What factors/variables did you keep the same in this experiment? * We kept the same volume of hydrochloric acid (10 cm3) and the magnesium ribbon (5cm) because that way we could get a fair test experiment. We also repeated
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on each of the two molecules of dimethylglyoxime‚ the chelation reaction occurs due to donation of the electron pairs on the four nitrogen atoms‚ not by electrons on the oxygen atoms. The reaction is performed in a solution buffered by either an ammonia or citrate buffer to prevent the pH of the solution from falling below 5. If the pH does become too low the equilibrium of the above reaction favors the formation of the nickel(II) ion‚
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