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    Liquid Liquid Extraction

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    Experiment II. Separation Of a Sample Mixture By Liquid-Liquid Extraction Reading assignment: Techniques in Organic Chemistry 2nd ed pages 75-99. 3rd ed pages 113-140. Topics and Techniques i) identification of solvent layers of two immiscible solvents ii) partioning of a compound between two immiscible solvents and determination of KD iii) liquid-liquid extraction with aqueous acids and bases with organic solvents. iv) use of drying agents Introduction Liquid-liquid extraction is a method

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    Off Shore Drilling Outline

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    Introduction Attention Getter: We all need our cars to get us from point a to point b but with the price of gas being so high‚ many people ride the bus or train to save themselves from shelling out money at the pump. Spending money is an emotional process for most working class citizens‚ especially if it’s something that we need daily but alas we don’t have a choice. We will always have places to be in life‚ but if only gas were less expensive‚ commuting wouldn’t be as taxing on our wallets. Involve

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    Determination of the Solubility Product Constant of Calcium Hydroxide Introduction The equilibrium constant for the solubility equilibrium between an ionic solid and its ions is called solubility constant [1] ‚ Ksp of the solute. For example‚ the solubility product is defined by MxAy(s) ⇋xM(aq)y++ yA(aq)x- (1) Where M is the metal cation‚ A is the anion‚ x and y are the corresponding charges of the ions. The equilibrium expression is Ksp=[MY+]x[AX-]Y (2)

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    Recrystallization

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    important. In the ideal case‚ the solvent would completely dissolve the compound to be purified at high temperature‚ usually the boiling point of the solvent‚ and the compound would be completely insoluble in that solvent at room temperature or at zero oC. In addition the impurity either would be completely insoluble in the particular solvent at the high temperature‚ or would be very soluble in the solvent at low temperature. In the former case‚ the impurity could be filtered off at high temperature

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    environmental science & policy 12 (2009) 855–869 available at www.sciencedirect.com journal homepage: www.elsevier.com/locate/envsci Climate and air quality-driven scenarios of ozone and aerosol precursor abatement Kristin Rypdal a‚ Nathan Rive a‚*‚ Terje Berntsen a‚ Hilde Fagerli b‚ Zbigniew Klimont c‚ Torben K. Mideksa a‚ Jan S. Fuglestvedt a a CICERO‚ P.O. Box 1129 Blindern‚ N-0318 Oslo‚ Norway met.no‚ P.O. Box 43 Blindern‚ N-0313 Oslo‚ Norway c International Institute for Applied

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    Keurig

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    Brewing excellence‚ One cup at a time. Keurig in Dutch means excellence. It is the leading single cup brewing system in North America. The U.S. annual per capita consumption of coffee was estimated to be 424 servings‚ which included in-home and out-of-home roast and ground‚ instant‚ and ready-to-drink (bottled/canned) coffee.2 The total coffee market in 2008 was estimated to be 1.8 billion pounds‚ or $19.3 billion. 3 While specialty coffee was only about 17 percent of total

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    Joule- Kelvin effect

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    For helium this inversion temperature is 30 K‚ for hydrogen 190 K and for most other gases it is well above room temperature. The table below gives the temperature changes per atmosphere observed in the experiment. Gas Temperature change (oC atm-1) Nitrogen -0.249 Oxygen -0.253 Air -0.208 Carbon dioxide -1.005 Hydrogen -0.039

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    Statistical Quality Control

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    the differences between x-bar‚ R-‚ p-‚ and c-charts. Explain the meaning of process capability and the process capability index. Explain the term Six Sigma. Explain the process of acceptance sampling and describe the use of operating characteristic (OC) curves. Describe the challenges inherent in measuring quality in service organizations. CHAPTER OUTLINE What Is Statistical Quality Control? 172 Links to Practice: Intel Corporation 173 Sources of Variation: Common and Assignable Causes 174 Descriptive

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    Born and raised in a community where there is a deficiency of medication knowledge‚ I want to be the first in my family to become a health care professional. My goal to practice in an underserved community can be achieved by attending UCSF School of Pharmacy. UCSF values diversity and health disparities and it is situated in an area where there is a diverse population. As a first generation trilingual Taiwanese student‚ I can utilize my multicultural background to serve the Chinese immigrant communities

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    Case Paragraph October 7‚ 2012 The following paragraphs provides with the following vital summary. Keurig‚ Incorporated designs and manufactures single cup brewing systems for use in home‚ hospitality‚ commercial office‚ food service‚ and medical office environments. The company also supplies gourmet coffee‚ tea‚ hot cocoa‚ and iced beverages of various brands as K-Cup portion packs. It markets its brewers and K-Cup portion packs through a network of local and national retailers‚ and grocery stores

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