of the experiment is to synthesize the butly benzoate by nucleophilic substitution and characterize it by IR spectroscopy. The percent yield of the final product is determined after the synthesis. Procedures: 2.0 mL of 1-bromobutane‚ 3.0 g of sodium benzoate‚ 5.0 mL of water‚ 4 drops of Aliquat 336‚ and a boiling stone were placed in a 50mL round-bottomed flask. The reaction mixture was refluxed for 1 hour and the flask was cooled in a beaker in the water of room temperature. The solid was
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Department of Chemical Engineering CHME 426 –Chemical Engineering Laboratory III Title Page (Full Report) Title of the Experiment: Reaction through three CSTR in series Submitted by: Group (4) Section: Female 1. Name: Amina Ali ID: 200550284 2. Name: Duaa Tabarak ID: 200553858 3. Name: Mariam Rustom ID: 200552242 Date of experiment: 31st March‚ 2010 Date of submission: 11th April‚ 2010 Grades: Report presentation………………………………………… /15 Abstract and Objective(s)……………………………………/10
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ARTICLE IN PRESS Technovation 28 (2008) 633–643 www.elsevier.com/locate/technovation Post-project reviews as a key project management competence Frank T. Anbaria‚c‚Â Elias G. Carayannisb‚c‚1‚ Robert James Voetschd‚2 a Department of Decision Sciences‚ School of Business‚ Funger Hall 415‚ 2201 G Street‚ NW Washington‚ DC‚ USA Department of Information Systems and Technology Management‚ School of Business‚ Funger Hall 415‚ 2201 G Street‚ NW Washington‚ DC‚ USA c The George Washington
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Dynamic Hong Kong: from a post-colonial city to a post-metropolis Part 1. Introduction Hong Kong‚ once a British colony after the wars‚ has been well-known as a vibrant metropolitan. After 99 years of British rule‚ Hong Kong was handed over to China in 1 July 1997. After a long period of western culture instillation‚ Hongkongers remain confused about their identity in the recent 16 years of post-colonial period. This struggle in identity can be reflected from the city’s cultural‚ economic and
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October 1‚ 2013 Chemical Reactions of Copper Objective The objective of this lab is to convert copper (Cu0) “in a series of reactions to various compound containing copper as the Cu2+ species” (CHM111 Laboratory Manual) in order to prove the Law of the Conservation of Mass. Introduction In this experiment‚ we took a look at how copper (Cu0) reacts with different substances to get an end result where it is transformed back to its original state. There were five different reactions that involved
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1. a. List four cell structures that were common to both plant and animal cells. (4 points) b. What structures were unique to plant cells? (2 points) c. What structures were unique to animal cells? (2 points)--Answer below: a. 1. Rough ER 2. Smooth ER 3. Golgi Apparatus 4. Nucleus b. 1. Chloroplast 2. Cell walls 3. Vacuole c.
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1 Measuring and calculating equilibrium constants Clearly‚ if the concentrations or pressures of all the components of a reaction are known‚ then the value of K can be found by simple substitution. Observing individual concentrations or partial pressures directly may be not always be practical‚ however. If one of the components is colored‚ the extent to which it absorbs light of an appropriate wavelength may serve as an index of its concentration. Pressure measurements are ordinarily able to measure
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Post Partum Depression Most women expect to feel elated after their child is born. Nine months of anticipation are coming to an end. Relatives and friends have all provided their support and words of encouragement to help you pass the time of carrying the child more pleasurable and easier. Who would have thought that there is now another obstacle to overcome? But the question would remain to most new mothers what this new task would be. And the answer would quickly become visible. Post Partum Depression
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condensation of 2 portions of benzaldehyde and acetone in sodium hydroxide. The reaction that occurred in this experiment is known as a specific aldol condensation called Claisen-Schmidt. In the reaction‚ the carbonyl of benzaldehyde reacts quickly with the acetone anion to create a hydroxyketone that dehydrates in the presence of a base to give the desired product. 10 mL of 4M sodium hydroxide was added to a 50 mL Erlenmeyer flask. To the sodium hydroxide solution‚ 16 mL of ethanol was added along with 2
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for control establishment). The dissolvent of the Militias Economic reconstruction 1.1 Libya’s awakening. As the dust begins to settle in Libya two things are clear. Though NATO is celebrating its triumph‚ its campaign actually raises serious question about its future; and while Libyans rejoice at their freedom. Libya lays between Egypt and Tunisia the two successive stories‚ at least for now of the Arab awakening‚ however Libya’s background is much darker as it faces the frightening challenge
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