Preparation of Esters Introduction Esters are known for their pleasant smells such as perfumes and artificial flavorings in contained labs. They are formed when a carboxylic acid reacts with alcohol and a strong acid such as a catalyst called sulfuric acid (H2SO4) for this lab. The structural formula for esters can be represented as R-COO-R’. The R and R’ symbolizes different alkyl groups that can be combined to the ester. When naming an ester the first part comes from the alcohol followed
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Title: Preparation of Solutions and Buffers Objectives: 1. To learn and understand the theory‚ principle and formula behind buffers and solutions preparation. 2. To learn the methods for buffers and solutions preparation. Introduction: (Wikipedia‚ 2013) Solute is a substance dissolved in another substance. Solvent is a substance in which the solute is dissolved by it. Solution is a mixture of two or more substances. The amount of solute dissolved in a solvent is called concentration
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OWNERS PLC MINUTES OF THE MEETING OF DIRECTORS HELD AT THE GROSVENOR HOTEL‚ VICTORIA ON THURSDAY 14 JUNE 2012 Present: Mr S J Frankham Mr R J Sewell Mr R Glanvill Mr G Smith Mr D F Wise Apologies for Absence: The meeting convened at 9:00 am. 1. The minutes of the previous meeting of 14 March 2012 were read and agreed. 2. The CPO website has been updated and is being monitored by RG in order to implement any improvements that can be made. 3. Following our informal meeting (not minuted) with LBHF
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METHODS OF FOOD PREPARATION Because guests often ask how food on the menu is prepared‚ you should know the more common preparation methods‚ as follows: • Baked Cooked by dry‚ continuous heat in an oven • Boiled Cooked in liquid at the boiling temperature of 100°C ( 212°F) at sea level‚ so that bubbles rise to the surface and break • Braised Browned in a small amount of fat and then cooked slowly in a little liquid in a covered pan • Broiled Cooked by direct heat‚ either under the source of heat‚
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Assignment 1 – Investigative Report 12/11/12 FYO-00034: Communication skills for scientists Selective report: CHE-00027 – General and Organic Chemistry Experiment 1 Determination of Empirical Formula: Preparation of a Copper Sulphide. Aim The aim of the experiment was to determine the empirical formula of sulphide of copper and to make sure that an amount of copper metal reacted with elemental sulphur‚ Eq. 1. To be able to calculate the empirical formula of copper sulphide
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Nor Amirah Farhana Nawawi‚ Mia Organic Chemistry Lab Report 2 Jessica Sammons TITLE: Preparation of 2-butanone INTRODUCTION: The goal of this experiment was to prepare 2-butanone from 2-butanol. Chromic acid was used in this experiment to in order to prepare 2-butanol. Cr (VI) is rather orange‚ but Cr (III) is dark green - therefore by oxidizing the alcohol (2-butanol)‚ an orange Cr (IV) is reduced to green. NMR and IR tests were taken to determine the result‚ and the crystallized derivative of
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Baruch College - CUNY PAF 9140: Budgeting‚ Accounting and Financial Analysis I Daycare Budget Preparation Northville‚ a medium-sized city in the Midwestern part of the United States‚ has experienced a significant change in the composition of the municipal work force of 1‚800 employees. Approximately forty-five percent of the city employees are female. In a recent survey of city employees over fifty percent of the employees said‚ "affordable day care for children is important to me." Meanwhile‚
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can’t express. In A Temporary Matter‚ The snow that falls simply after Shukumar and Shoba come back to trustworthiness straightforwardly identifies with the fallbetween the characters. In The Treatment of Bibi Haldar‚ the changing seasons demonstrates the life of the harried principle character. In the fall‚ Bibi is avoided and in the winter she is disconnected. In the spring‚ she is pregnant and rises up out of her wretchedness.
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MANNERS MATTER! Try four easy ways to teach kids how to behave © 2002 By Dr. Charles Fay In all parts of their lives‚ children with great manners have a powerful advantage over those who do not. They make friends easier‚ get along better with their teachers‚ and eventually make much better employees and spouses. Here are four techniques that will give your child this life-long gift: Tip No. 1: Make a list Sit down with your kids and make a list of the specific behaviors polite people
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in life‚ and the actual terms of cooperation between them.”” (Tan‚ 2008‚ 671) As such‚ social justice is concerned with the basic structure of society‚ which is to say its political and social institutions. Consequently‚ Tan draws the analogy with luck egalitarianism and argues that it should not aim at mitigating all natural contingencies that people face that are
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