To prepare an ester using reflux Hypothesis : The equation was written out for the reaction and pentyl ethanoate was predicted as being the ester that would be formed. Equipment * 10 ml pentanol | * condenser | * 10 ml glacial acetic acid | * Heating Mantel | * 1 ml conc. Sulfuric acid | * Funnel | * 50 ml flask | * 15ml 1molL-1 Na2CO3 | * Boiling chips | * Seperating Funnel | * Retort Stand | * Safety Glasses | Method 1. 10 ml of Pentanol
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For many years‚ efforts to create effective regional transit in Metropolitan Detroit has been interfered by a variety of factors. In my research study I will be researching a program called M-1 Rail Streetcar‚ a public-private partnership is building the region’s first new rail transit‚ a 3.3 mile electric streetcar along Woodward Avenue through downtown and midtown Detroit. Which this service will offer the more fascination‚ dependable transit to residents‚ workers‚ and visitors to the downtown
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1.2.4.4 Sub-criteria standardization The standardization process consisted in conversing cell values of the sub-criteria layers into a common [0-1] scale. The minimum 0 corresponds to the less desirable condition with regards to aquifer recharge with reclaimed water and 1 the most desirable condition. The cell values of all continuous numerical sub-criteria (e.g. slope‚ soil salinity and unsaturated zone depth) were rescaled using fuzzy linear membership functions. For categorical layers (e.g. soil
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Standard vs. local(refer to book pg no.407) 1. Attitudes towards advertising in general are important to assess as they have been shown to influence attitudes toward advertisements‚ brands and purchase intent. Businesses need to have a presence everywhere and yet limited resources only allow for some markets to receive funding for customized material (Rogowski 2004). Thus‚ from a financial perspective‚ some degree of standardization is always desirable. Over the past decade‚ marketers have recognized
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American Type Culture Collection) is used for the production of Penicillin. Preparation of Different Salts of Phenyl acetic acid. Sodium phenyl acetate For 100 ml preparation‚ few grams of PAA (of known percentage) are dissolved in certain volume of De-Mineralized water. The pH of the solution is maintained between 6.6-7 by adding NaOH in drops. Molecular Weight-159. Potassium phenyl acetate For 100 ml preparation‚ few grams of PAA (of known percentage) are dissolved in certain volume of De-Mineralized
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Strategies a Company Use When Marketing Their Products Globally? (Standardization versus Adaptation) In the century‚ when almost every company wants to operate globally and many of them have already been doing it‚ firms face the choice of marketing strategy that provides a success to their product/service in different markets. There are two main marketing strategies‚ standardization and adaptation. And the question “What is better?” worries the companies that are going to act worldwide. I think
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INTRODUCTION In the diet of every nation‚ milk is considered as nature’s perfect food. The consumption of milk and its food products have been increased as a sign of prosperity. The growing underdeveloped countries in the last few decades have adopted milk and its food products in their diets. Milk can be defined as the fresh and clear lacteal secretion practically free from colostrums and obtained by the complete milking of one or more milky animals like cow‚ buffalo‚ goat etc. In human
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UNIVERSITY OF SAN CARLOS DEPARTMENT OF CHEMISTRY NAME: Maniwang‚ Ma. Aiza C. DATE: March 21‚ 2011 COURSE: BS Chemistry II APPROVED: ___________ PREPARATION OF AZO DYES ABSTRACT In this experiment‚ the azo dyes p-nitrobenzene azoresorcinol and methyl orange were prepared by the azo coupling reaction. The p-nitrobenzene azoresorcinol dye was prepared from p-nitroaniline and resorcinol. The diazonium salt formed was from the reaction of the cold solution of dissolved p-nitroaniline
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wealthy few who could afford scribes. The modern textbook has its roots in the standardization made possible by the printing press. Early textbooks were used by tutors and teachers‚ who used the books as instructional aids The next revolution for books came with the 15th-century invention of printing with changeable type. The invention is attributed to German metal smith Johannes Gutenberg‚ who cast type in molds using a melted metal alloy and constructed a wooden-screw printing press to transfer
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Table 1 - Indirect Measurement | Trial | Volume (CM3) | Diameter (CM) | Radius (CM) | M&M Thickness (CM) | 1 | 75 | 11.34 | 5.67 | 0.722 | 2 | 83 | 12.68 | 6.34 | 0.658 | Table 2 - Direct Measurement | Trial | M&M Thickness (CM) | 1 | 0.642 | 2 | 0.741 | 3 | 0.683 | Table 3 - Calculated Averages | Method | Calculated Average Thickness (cm) | Indirect (from Table 1) | 0.700 | Direct (from Table 2) | 0.689 | Questions: 1. When you performed Step 2 of
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