Scheme of Analysis for Lab 2 Unknown Sample Description Phase‚ color‚ odor‚ crystalline or gel-like? If crystalline‚ what is crystal shape – needle-like or powdery? Does it look like a pure substance or a mixture? How many components appear to be present? Tests on original sample Flame Test Bushy yellow‚ orange flame – Na+ is present and possibly K+ and NH4+. Pink-purple flame – K+ is present and Na+ is not. (Possibly NH4+) No color or faint trace Na+ - NH4+ is possible‚ K+ and Na+ are
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Identification and Recreation of Unknown White Compound #643p November 13‚ 2012 INTRODUCTION: The identity of the unknown solid white compound is determined and verified through a series of tests which uncover physical and chemical properties necessary for identification. A new sample of the same compound is then created to further prove the accuracy of the identification. The compound must be identified in order to be used. For example‚ KCl is used in medicine‚ scientific applications‚ and
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The Unknown Struggles of Homeless Children Tammy R. Mathews Liberty University Abstract This research assessed the struggles of homeless children. The study compared the educational struggles of a random sampling of children living in stable environments to children who are considered “homeless.” Homeless refers to any child or youth who lack a fixed‚ regular‚ and adequate nighttime residence. The study revealed the number of homeless
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An Autobiography of an Unknown Indian by Nirad C. Chaudhuri. In this book the author has depicted his “Early Environment” in book -1 which he talks about his “ My birth place”‚ “ My Ancestral village” where he has pass his old days‚ “ My Mother place” where he had lived for sometimes and also describe about “England” as he was very fascinated of it. So as the same he talks about his “parents and early 12 days” and something about “Nationalism” in book -2.In book -3 he talks about “Calcutta” how
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CHAPTER 1: INTRODUCTION END-OF-CHAPTER QUESTIONS AND PROBLEMS 1. (Market Efficiency and Theoretical Fair Value) An efficient market is one in which prices reflect the true economic values of the assets trading therein. In efficient markets‚ no one can earn returns that are more than commensurate with the level of risk. Efficient markets are characterized by low transaction costs and by the rapid rate at which new information is incorporated into prices. 2. (Arbitrage and the Law of One Price)
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Hands of Persons Unknown Book Critique At the Hands of Persons Unknown‚ a novel by Philip Dray‚ is a decisive explanation to the past multiple acts of lynching in America. In the past‚ Caucasians were seen as superior to African Americans. Lynching was one of the many acts that gave whites this superiority. The gruesome act of lynching was overlooked by the nation as a whole. People didn’t think anything of it and some seen it as entertainment. At the Hands of Persons Unknown could be seen as a
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Determination of an Unknown Concentration of Potassium Manganate using Colorimetry Introduction The purpose of this experiment is to conclude the concentration of an unknown solution using colorimetry to plot a calibration curve. Colorimetry measures the absorption of light at wavelengths within the visible region of the electromagnetic spectrum. It can be used to identify the unknown concentration of a solution in reference to a solution of a known concentration. When a solution appears
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PT Asuramsi Jasa Indonesia (Persero) v Dexia Bank SA [2007] 1 SLR(R) 597‚ court’s supervisory power should be exercised only in cases where “the upholding of an arbitral award would ‘shock the conscience’… or is ‘clearly injurious to the public good or...wholly offensive to the ordinary reasonable and fully informed member of the public’…or where it violates the forum’s most basic notion of morality and justice’…” International comity AJT 22 In the light of the Tribunal’s finding that the Concluding
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Microbiology UNKNOWN LAB REPORT Kateryna Petrakova INTRODUCTION Microorganisms cause a great amount of diseases. For healthcare providers it is very important to be aware of what organisms are pathogenic and cause a disease and‚ therefore‚ to find an appropriate treatment. Different microorganisms require various environments in order to replicate and to become dangerous for a person’s health. An integral part of any medical treatment is to be able to recognize and
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The report "Phosphorus & Derivatives Market By Type (Ammonium and Industrial Phosphate‚ Phosphoric Acid‚ Phosphorus Chloride and Pentasulfide)‚ and Application (Fertilizer‚ Detergent‚ Food‚ Water Treatment‚ Flame Retardant) – Global Trends & Forecast to 2018". Browse 116 market data tables and 44 figures spread through 345 pages and in-depth TOC on “Phosphorus & Derivatives Market By Type (Ammonium and Industrial Phosphate‚ Phosphoric Acid‚ Phosphorus Chloride and Pentasulfide)‚ and Application
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