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
Free Aspirin Acetic acid Paracetamol
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
Free Ion Mole Oxygen
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
Premium Mobile phone Social network service
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
Premium India 2010 Commonwealth Games
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
Premium Psychology Mind Skill
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
Premium Hydrochloric acid Sulfuric acid PH
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
Premium Management
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
Premium Management Marketing Sociology
EFFECTS OF LEAD ACETATE IN THE EMBRYONIC DEVELOPMENT OF SEA URCHINS (Tripneustes gratilla) Belderol‚ Jacqueline Busmeon‚ Chadinne Dablo‚ Elgen Ray Edding‚ Desza Hulsey‚ Shirley Montano‚ Margaret Ragasa‚ Jay Andie Susaya‚ Mariz Veedor‚ Marielle Science Cluster University of the Philippines Visayas Cebu College Gorordo Avenue‚ Lahug‚ Cebu City 6000 ABSTRACT One of the greatest threats to health and the environment is the current problem regarding pollution. Pollution
Premium Heavy metal music Lead Developmental biology
Procedure: Day 1: Buffer preparation First‚ the buffer was prepared by using the formula as follows: Figure 1: Calculation for prepare 0.5 M Tris buffer at pH 6.8 3.033 g of Tris was weighed and placed in 400 mL beaker. Then‚ 25 mL of distilled water was added into the beaker that contained Tris. The mixture was dissolved using the stirring rod‚ and then the magnetic stirring bar was placed in the beaker for further dissolve when measuring the pH. The pH meter was used to measure the solution
Premium Chemistry Water Chemical reaction