with an acetic anhydride. Color impurities present in the solid acetaminophen will be removed and then the decolorized product will be collected on a Büchner funnel for further purification by crystallization. Purity will then be determined by melting point. Introduction: Acetaminophen is commonly used as an analgesic to reduce pain and fever. In this experiment it is prepared by the reaction of p-aminophenol with acetic anhydride‚ as illustrated below. Results: Isolation of crude acetaminophen The color
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POINT OF SALE FOR ALING NENE’S SPECIAL BINALOT Ariel T. Bautista Jr. INTRODUCTION Aling Nene’s Special Binalot is one of the most successful eatery in Carmona Cavite‚ Food scout review the said eatery is very satisfying to indulge and many variety of food combinations to choose from. (http://www.thefoodscout.net by Jill Bantang | Thursday‚ June 19‚ 2014) Over the years‚ the popularity grew and people recognized its trademark taste‚ ‘The Sauce of Chicken Pork Adobo’‚ their specialty dish
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important instrument for secular music in the Renaissance. What is a harpsichord? Where were these instruments often found? A keyboard instrument with horizontal strings that run perpendicular to the keyboard in a long tapering case and are plucked by points of quill‚ leather‚ or plastic operated by depressing the keys. It is used chiefly in European classical music of the 16th to 18th centuries. What is a notation knife? Knives with musical notes on the blade Many of the articles on the include
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Solids: Recrystallization and Melting Points Reference: Chapter 3. Solids: Recrystallization and Melting Points. Read pages 93-94 and 113-117. Experimental procedure‚ pages 118-119. Parts 1-3. Part 1: Melting points of Urea and Cinnamic Acid. Part 2: Melting point of unknown. Part 3: Melting point of Mixture- Urea and Cinnamic Acid (take melting points of mixtures in 1:4‚ 1:1 and 4:1 ratios). Reactions Main Reaction: Not a chemical reaction but a physical reaction. Urea in solid mixed with
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Chapter 1 INTRODUCTION Background of the study Point of Sale and Inventory System is a process wherein the business could monitor the movements of the products as well as the sales transactions. It is important for the company to take account inventory of the products as well as the sales. Inventory refers total amount of goods and/or materials contained in a store at any or factory at any given time (Inventory‚ 2011) Even though technology is available‚ still many companies use manual system.
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Exploring Boiling Points Introduction: Every substance has a unique set of properties that allow us to differentiate between them. These properties are classified as physical properties and chemical properties. Physical properties are those that can be determined or measured without changing the composition or identity of the substance. These properties include color‚ odor‚ taste‚ density‚ melting point‚ boiling point‚ conductivity‚ and hardness. Chemical properties tell us how the substance
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computerized systems to their transactions according to their needs. Point of sale system is one of the most systems that are used of many businesses. It helps to improve the process and to fasten the transaction with the customers. Point of sale system is commonly used in fast food chain‚ pharmacy store‚ grocery store and some of the business that needs to monitor their transactions‚ sales and financial status. Creating a point of sale system of a facial care center can also improve their business
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Peripetie- Schoenberg STYLE: Expressionism Features of expressionism: * Atonal (all notes have equal importance) * Expresses one intense emotional * Full use of the pitch range of instruments. * Timbre is regarded to be just as important as melody * Extremes in dynamics * Pieces are quite short CONTEXT: * Schoenberg was an Austrian composer who founded the Second Viennese School- a group of composers (including Berg and Webern‚ who were taught by Schoenberg
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THE IMPORTANCE OF POINT OF SALE PROGRAM IN ANY BUSINESSES IN ZAMBOANGA CITY A BUSINESS RESEARCH PRESENTED TO THE FACULTY OF THE COMPUTER TECHNOLOGIES INSTITUTE (COMTECH) IN PARTIAL FULFILLMENT FOR THE REQUIREMENTS OF RESEARCH IN MAJOR FIELD BY JENISON N. ESPERAT OCTOBER 2012 CHAPTER I INTRODUCTION Background of the study in this modern time‚ technology has the most vital role in guiding and helping people in doing their tasks. It also becomes part
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the freezing point depression of a known amount in an aqueous solution. Freezing point depression is a colligative property of solutions. There are three other properties‚ which are boiling point elevation‚ vapor pressure depression‚ and osmotic pressure. Colligative properties of a solution depend on the amount of solute and solvent molecules and not the specific properties of the molecules. The temperature at which the solvent starts to freeze will be specified as the freezing point of the solution
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