Preparation of an Ionic Compound from Aluminum Metal October 6‚ 2010 The purpose of this laboratory project was threefold‚ in that it presented three main objectives. The first objective was to prepare the ionic compound alum from aluminum powder. The alum was produced from the reduction-oxidation reaction of aluminum with potassium hydroxide and sulfuric acid in water. The second objective was to then analyze the alum product for water crystallization; that is‚ to determine the value of x in
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chapter Compound Interest: Future Value and Present Value LEARNING OBJECTIVES After completing this chapter‚ you will be able to: ● CHAPTER OUTLINE 8.1 8.2 8.3 8.4 8.5 * * Basic Concepts Future Value (or Maturity Value) Present Value Using Financial Calculators Other Applications of Compounding Equivalent Payment Streams Models of Financial Calculators Calculate maturity value‚ future value‚ and present value in compound interest applications‚ by both the algebraic method and the preprogrammed
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when compared to traditional methods. Synthesis of organometallic compounds usually requires long time at elevated temperatures and these reaction conditions are optimal to exploit microwave assisted synthesis. The target compounds are the three classes of Organo-iron complexes which are sandwich complexes‚ cyclopentadienyl carbonyl complexes and phosphine tricarbonyl complexes. Several compounds from these classes were studied and it was found that refluxing time was reduced to
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body. A medicine is often a mixture of several chemical compounds. Even if it has only one active component compound often other substances are used as fillers or binders to give it bulk. Chemistry‚ the science related to chemical substances‚ provides us the tools to make and study the substances that are the constituents of almost all medicines. The past hundred years or so‚ ever since the advent of organic chemistry‚ many chemical compounds have been discovered in nature that are effective for curing
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College Algebra Project Saving for the Future In this project you will investigate compound interest‚ specifically how it applies to the typical retirement plan. For instance‚ many retirement plans deduct a set amount out of an employee’s paycheck. Thus‚ each year you would invest an additional amount on top of all previous investments including all previously earned interest. If you invest P dollars every year for t years in an account with an interest rate of r (expressed as a decimal) compounded
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Joe Luong 230105559 Chem 250 L2 Oct‚4‚2012 Introduction: Extraction is the experimental procedure of obtaining a desired compound with the use of a solvent from either a liquid or solid mixture. Solid-liquid extraction involves the removal of organic compounds from solid material. This method of extraction may be achieved through extraction of the organic compound at the boiling point of a polar solvent such as water. Using water as the solvent will typically result in a 61-85 percent extraction
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NOTES: Grammar as Rhetoric and Style: Coordination in the Compound Sentence • Coordination puts equal value or significance on two or more parts of a sentence • Coordination can be used to join sentences‚ phrases words and even independent clauses. • When coordination is used to combine two sentences it creates a compound sentence. • Coordination conjunctions -And‚ but‚ or nor‚ for‚ so‚ yet • Correlative conjunctions -Not only‚ but also‚ either or‚ just as….so also • A semicolon can also
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This paper is about 6 theories of how the world began. This includes: The primordial soup theory‚ the iron-sulfur theory‚ RNA world theory‚ deep sea vent theory‚ community clay theory‚ and the panspermia theory. Each theory is a different hypothesis on how life on earth began throughout the course of over 1‚000 years. 3 ORIGINS OF BIOMOLECULES RESEARCH PAPER Primordial Soup Hypothesis Alexander Oparin (introduced hypothesis) and Robert Shapiro (summarized paper)
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flasks * 2 rubber stoppers * Aluminium foil * Cyclohexane * Cyclohexene * Bromide water * Measuring cylinder Risk assessment risk | level | Precautions taken | Organic compound in eyeor on skin | medium | Glasses‚ lab coatgloves | Inhaling organic compound | high | Fume cabinet | Bromide water in eye or onskin | medium | Glasses‚ lab coatgloves | Laceration from broken glass | low | Minimalizing movement of glassware | Method 1. Wrap two
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Alkali Metals Introduction Alkali metals refer to six elements belonging to the Group IA of the long form of the Modern Periodic Table‚ viz. Lithium (Li)‚ Sodium (Na)‚ Potassium (K)‚ Rubidium (Rb)‚ Cesium (Cs) and Francium (Fr). Fr is a radioactive element. These elements are called so because they form strongly alkaline oxides and hydroxides. Electronic Configuration of Alkali Metals Each of the alkali metals has one electron in their outermost (valence) shell‚ which is just outside an inert
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