In this experiment‚ the objective is to successfully perform an SN1 reaction to determine the reactivity of tert-butyl chloride‚ through the usage of sodium iodide/silver nitrate reagents and to synthesize tert-butyl chloride. The tert-butyl chloride was synthesized through the use of separation (aqueous and organic layers) and distillation. Tert-butyl chloride is the alkyl halide which is being synthesized throughout the course of the experiment. Alkyl halides are derived from alkanes. Once an alkane
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LOS ANGELES - California is closely watching the crisis at a Japanese nuclear plant‚ but officials downplayed the threat that a radioactive cloud blown across the Pacific could pose for the US West Coast. While radioactivity could reach the United States from the quake-hit Fukushima plant‚ the levels would not be high enough to cause major health problems‚ said the Nuclear Regulatory Commission (NRC). Some experts disagreed‚ notably pointing to the west-east jet stream‚ but NRC -- which was asked
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precipitation reactions in order to get a reliable system of producing the rings. • To investigate the effect of passing a D.C. current through the gel solution on the production of Liesegang rings. Main findings • The lead nitrate/potassium iodide and cobalt chloride/ammonium hydroxide reactions both formed bifurcations. The cobalt chloride/ammonium hydroxide reaction was then investigated under different conditions until discernable Liesegang rings had formed. • It was found that the
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42-01-82-00-03‚ 2015) Table 1 Well Chemical #1 (4 drops) Chemical #2 (4 drops) Observations: Chemical Change (Y/N) A1 NaHCO3 (Sodium Bicarbonate) HCl (Hydrochloric Acid) Bubbles‚ no change in color‚ clear‚ Y A2 NaOCl (Sodium Hypochlorite) KI (Potassium Iodide) Observation 1: clear‚ no color change.
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Sodium chloride‚ also known as salt‚ common salt‚ table salt‚ or halite‚ is an ionic compound with the formula NaCl. Sodium chloride is the salt most responsible for the salinity of the ocean and of the extracellular fluid of many multicellular organisms. As the major ingredient in edible salt‚ it is commonly used as a condiment and food preservative. [edit] Properties Thermal conductivity of pure NaCl as a function of temperature has a maximum of 2.03 W/(cm K) at 8 K and decreases to 0.069 at 314
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and subscription information: http://pubsonline.informs.org A Multiple-Objective Decision Analysis for Terrorism Protection: Potassium Iodide Distribution in Nuclear Incidents Tianjun Feng‚ L. Robin Keller‚ To cite this article: Tianjun Feng‚ L. Robin Keller‚ (2006) A Multiple-Objective Decision Analysis for Terrorism Protection: Potassium Iodide Distribution in Nuclear Incidents. Decision Analysis 3(2):76-93. http://dx.doi.org/10.1287/deca.1060.0072 Full terms and conditions of use:
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rate in situations such as cold (in which an accelerated metabolism would generate more heat). TSH production is blunted by somatostatin (SRIH)‚ rising levels of glucocorticoids and sex hormones (estrogen and testosterone)‚ and excessively high blood iodide
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Niepce called his invention heliographs meaning sun drawings‚ which required eight hours of exposure. Later in Paris Louis Jacques Mande Daguerre invented a similar process called daguerreotype. It involved the use of a silver plate sensitized by iodide and then exposing it in the camera obscura‚ and then the plate was kept on mercury solution and finally fixed by salt solution. The daguerreotype produced a much clearer picture than the previous heliograph and the exposure time was also reduced.
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The compound is the substance that can be two or more elements that can be changed. Water is a compound. It contains both Hydrogen and oxygen that can stand alone by itself. The mixture is when two different substances that are blended together. The air is a mixture of these elements carbon dioxide‚ nitrogen‚ and other stuff. Most mixtures are known to be naturally. The main difference between the compound and the mixture is how they are combined. In the pure substance‚ the only way to know if
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barium‚ and lead (II) ions. © 2010 Hands On Labs‚ Inc. LabPaq CK-1 103 E. Hydroxides: Most of the hydroxides are insoluble‚ except those of the alkali metals and barium; calcium hydroxide is moderately soluble. F. Halides: The chloride‚ bromide‚ and iodide salts are generally soluble‚ except those of silver‚ lead (II)‚ and mercury (I) ions. G. Sulfides: Most sulfides are insoluble‚ except from alkali metals and ammonium ion. H. Acetates: All acetates are soluble‚ except silver acetate‚ which is slightly
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