Preparation of Acetylsalicylic Acid Abstract Acetylsalicylic acid was prepared using salicylic acid and acetic anhydride. As a result‚ a white‚ powdery substance was formed (0.1931g‚ percent yield 91.30%) and was defined by melting point (124.5 – 134.5°C) and observation of color change with ferric chloride. Introduction Acetylsalicylic acid (aspirin) is one of the most popular analgesic drugs on the market today. It also acts as an antipyretic and anti-inflammatory drug. Salicylic acid itself
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Chemistry 261 Practical Report Practical 2 Thermos Thurman 211526893 PRACTICAL 2: Preparation of sodium hexanitrocobaltate (III) Date: 12 March 2014 INTRODUCTION Sodium hexanitrocobaltate (III) is a coordination complex which has the formula Na3[Co(NO2)6]. This compound is yellow in colour. It consists of a central Co3+ ion surrounded by six nitro ligands [1]. This compound is used as a qualitative test for potassium and ammonium ions (so long as certain
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Lab 5: Preparation of Synthetic Banana Oil September 20th‚ 2012 Purpose: The main purpose of this experiment was to synthesize banana oil (isopentyl acetate.) Ester are often prepared by the Fischer esterification method‚ which involves heating a carboxylic acid with an alcohol in the presence of an acid catalyst. Theory: Synthesize isopentyl acetate by combining isopentyl alcohol with acetic acid and sulfuric acid and then heating the reaction mixture under reflux for an hour. The alcohol
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Persuasive Speech Preparation Outline 5110719032 张孟劼 HEADER Title: We must end our addiction to social networking. General purpose: To persuade Specific Purpose: To persuade my audience that actions need to be taken to stop the addiction to social networking. Thesis Statement: Being too addicted to social networking can cause some serious problems‚ so it is necessary to stop it. Main Points: Ⅰ.Addiction to social networking has caused serious problems
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modern‚ will make the Delhi Games special. Right now what you see and really experience are the infra structural changes that are taking place‚ to be honest‚ on daily basis. But now we even have news from across the country informing us about the preparation of athelets. As in the words of Indian sports minister Suresh Kalmadi‚ "The colour‚ costumes‚ the traditions and heritage will be world class‚ the public will be welcoming and friendly and the flair of India is what will make the next Games really
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The sports community now recognizes that mental factors such as confidence‚ composure‚ focus‚ and motivation are highly significant to athletic performance. As a result‚ over the year’s performance enhancement has become an emerging career track within the field sport psychology. Sport psychology (or sports psychology) is the study of the psychological factors that affect participation and performance in sports. Sport psychology professionals who focus on performance enhancement aim to increase athletic
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Experiment 6 Preparation and reactions of boric acid Objectives: To prepare boric acid from sodium tetraborate (borax) To carry out tests on the prepared sample of boric acid To study the physical and chemical properties of boric acid Introduction: Boron is an element in the p-block of the periodic table. It has the electron configuration of 1s22s22p1 and is in group 3 or goup 13 (IUPAC classification). In nature‚ it consists of two isotopes 10B (19.6%) and 11B (80.4%). Boron is bonded
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GUIDE TO ASSIGNMENT PREPARATION AND CRITICAL ANALYSIS CONTENTS Page 1. Introductions to assignments and their purpose 3 2. The Critical Review 5 i) The Purpose of the Critical Review 5 ii) The Content of the Critical Review 6 3. Meeting the Assessment Criteria 7 4. Examples of two assignments showing the significance of critical analysis 9 5. Writing assignment reports 13 1.) Introduction to Assignments and Their Purpose How will
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Preparation of Synthetic Banana Oil Introduction: In this lab the synthesis‚ purification‚ and characterization of isoamyl acetate‚ or banana oil‚ was determined. The synthesis was completed by a reversible esterification reaction which required the heating of glacial acetic acid and isoamyl alcohol‚ combined with a sulfuric acid catalyst in hexane. In order to increase the efficiency of the reaction‚ LeChatelier’s Principle is utilized by removing water from the products. As a result‚ the reaction
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Southville of Foreign University Preparation and Clearing of Service Areas A Report Researched to the Faculty of the School Of Hospitality Management In Partial Fulfillment of the Requirements Submitted to: Sir Michael De Villa Submitted by: Ramone T Unit 7: Preparation and Clearing of Service Areas Know how to prepare service areas and equipment for food and drink service A. Description of safe and hygienic working practices for preparing service areas and equipment
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