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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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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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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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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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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our own backyard‚ our own streets‚ our own oceans‚ and our own world. First‚ we created our own wastewater by mixing dried up coffee grounds‚ ground-up cereal and pet food‚ cut up plastic bags‚ baking soda‚ torn up toilet paper‚ vegetable oil‚ and ammonia into water. The end result looked like actual wastewater. We proceeded to do the primary‚ secondary‚ and advanced treatment steps to treat the wastewater.
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Solvay process Raw materials - NaCl‚ salt - CaCO3‚ limestone - H2O‚ water - NH3‚ ammonia is recycled Useful products - sodium carbonate. Na2CO3 – reason for process Waste products - CaCl2‚ calcium chloride - Heat Chemical properties of the main product (Na2CO3) - Forms several hydrates which are used in many ways - It is moderately alkaline‚ so it can neutralise strong acids - Can precipitate many metal ions from solution as carbonates Uses of sodium carbonate - Glass
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a central role in almost all aspects of nitrogen availability and thus for life support on earth: some bacteria can convert N2 into ammonia by the process termed nitrogen fixation; these bacteria are either free-living or form symbiotic associations with plants or other organisms (e.g. termites‚ protozoa) other bacteria bring about transformations of ammonia to nitrate‚ and of nitrate to N2 or other nitrogen gases many bacteria and fungi degrade organic matter‚ releasing fixed nitrogen
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