Running head: Organic Chemistry Tamanna Ashraf Palm Beach State College Principle of Chemistry Ceravolo‚ Joseph MW 11:00am-12:15pm February 6th‚ 2011 We all are living in a science world. Everything has some kind of reaction going on in our living area. It is just we do not get to see or realize that where n how we having our life much easier than it used to be. In these writing assignments‚ the topic is about the organic chemistry. In organic chemistry‚ we all have different kinds of compounds
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When Was The Moon Formed? We technically don’t know when the moon was formed but scientist guess it was formed 4.5 billion years ago. Different Theories and Hypothesis Fission Theory One theory is that the moon must have broken away from Earth‚ when the earth was still a rotating ball of molten rock. Earth might have been spinning so fast that part of our planet separated into space‚ this could be why our chemical composition is similar to the moon. Fission theorist stated that the Pacific ocean
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QUALITATIVE TESTS OF CARBOHYDRATES Final Lab Report Submitted by Brittany Fitzgerald 545301 Prepared for Nancy Cook Chemistry 3501 Monday November 26‚ 2012 RESULTS PART A: As a result of the Benedict’s test on various sugar solutions‚ it was found that galactose‚ mannose‚ arabinose‚ ribose‚ lactose‚ fructose‚ maltose‚ and cellobiose tested positively and therefore are considered reducing sugars. Glucose‚ starch‚ sucrose‚ and methyl-D-glucopyranoside on the other hand tested
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in: Proc. of 1993 ASME Winter Meeting‚ New Orleans‚ LA‚ 1993. Cavallini‚ A.‚ Censi‚ G.‚ Del Col‚ D.‚ Doretti‚ L.‚ Longo‚ G.A.‚ Rossetto‚ L. Condensation of halogenated refrigerants inside smooth tubes. HVAC R. Res. 8‚ 429–445‚ 2002. Dalkilic‚ A.S.‚ Agra‚ O.‚ Teke‚ I.‚ Wongwises‚ S. Comparison of frictional pressure drop models during annular flow condensation of R600a in a horizontal tube at low mass flux and of R134a in a vertical tube at high mass flux. Int. J. Heat Mass Transfer 53‚ 2052–2064‚ 2010
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bonds | E. | oligosaccharides; glycosidic linkages | Answer choice C Which of the following statements about starch is false? A. | Starch may be partially branched. | B. | Starch is a polymer of glucose. | C. | Starch is formed by the condensation of monomers. | D. | The properties of starch are very similar to those of cellulose. | E. | Starch may be digested by people. | Answer choice E Which of the following characteristics distinguishes carbohydrates from other macromolecule types
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Production of materials 1B – identify the industrial source of ethylene from the cracking of some of the fractions from the refining of petroleum Industrial source of ethylene (ethene) * Obtained from Crude oil – fractional distillation * Heated to high temps * Components vaporise and rise up tower where condense and collect * Lower the boiling point‚ higher up tower compound rises * Separates crude oil into fraction each with different boiling range - Catalytic Cracking
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Hold cleaning and inspection 1.1 GENERAL INSPECTION OF CARGO HOLD Prior to loading and after discharging‚ hold spaces must be inspected and the cargo/ballast systems should be tested. The inspection is primarily directed towards checking the ship’s integrity. The possible causes for the lack of integrity which can cause damage are the following: Damage to shell and deck plating; Damage to hatch coaming and hatch covers; Improperly closed or blanks ventilators; Leaking pipes and manhole
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more than 10 % of prophase like cells in lymphocytes‚fibroblasts and lymphoblast cell lines and this phenomenon is due to premature condensation in the early G2 phase. This premature entrance of cells into mitosis further indicated that mutated gene is involved in cell cycle regulation. (Neitzel at al.‚2002). In some patients a high percentage of prophase like cells was also observed in
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saves £40 per year and 210kg of co2 per year. There are many advantage of insulating the home some of them have been mentioned above and some others are ; the house suits the weather staying warmer in winter and cooler in summer ‚ the problems with condensation will be reduced ‚ mainly from the upper levels of the home there will be noise reduction from outside. Loft insulation reduces heat loss by the materials used for insulation preventing the movement of the heated air particles ‚ this is done by
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Thiamine-Catalyzed Benzoin Condensation I.Conclusion Benzoin was produced by reacting 2 mols of benzaldehyde with the catalyst thiamine to form a new C-C bond. A total of 2.626 grams were recovered. There was a 33% recovery of benzoin. The low percent recovery could be due to the purity of the limiting reactant‚ benzaldehyde. Upon filtration‚ the mother liquid appeared oily making it more likely that the low recovery was due to the solution ‘oiling out.’ This could be avoided in the future
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