CHOONG SHING YI CHOONG SHING YI Preparation and Recrystallization of Aspirin Preparation and Recrystallization of Aspirin Date of the experiment: 9 May 2013 Date of submission: 23 May 2012 Date of the experiment: 9 May 2013 Date of submission: 23 May 2012 Synopsis 1. General Objective: To familiarize with the preparation of some simple organic compound and purify the compound by recrystallization. Specific Objective: The experiment is carried
Free Aspirin Acetic acid Acetic anhydride
Task A – Individual presentation Given the situation‚ you now have: · 2 minutes to prepare your responses · 2 minutes to present Tips: · Study the scenario or topic given carefully · Double check which candidate you are (A‚ B‚ C‚ D) to make sure you don’t prepare another candidate’s speech · Make sure you don’t run out of topic · Prepare 2 to 3 points to present on · You MUST agree with the point that is given to you (you can disagree or favor another point in Task B) · Make full use of
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Some people in your life will say hi. These people are usually friendly and will benefit you and bring you many pleasures and happiness. The other half will say ’lo‚ which is the shortened version of "Hello". These people are usually lazy and will hinder you and bring you many hardships in life. That sucks. Captions: You used to lie so close to me Now there’s nothing more than empty sheets You love When you know I can’t love So I think it’s best We both forget Before we dwell on it
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The two Fridas or Los Dos Fridas was painted by Frida Kahlo in 1939 during the movement know as surrealism (Stokstad 1079). Kahlo ’s self-portrait reflects her emotions within her mind and body. It reflects the emotions that she truly feels. Frida does this in a way that others would interoperate as stuff of dreams and nightmares. It is how others see her work that makes it surrealism. Frida writes‚ "I never painted dreams I painted my own reality" (Stokstad 1079). Frida Kahlo did the surrealist
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La autora del capítulo Montes‚ Mónica. Los sentidos de la escritura: desde los itinerarios hacia los compromisos del escritor. En: Piotrowski B. El valor de la palabra. Bogotá‚ Colombia: Universidad de la Sabana‚ 2001. P. 194-218.El objetivo del texto de la autora Mónica Montes‚ es cautivar el pensamiento de todos los estudiantes acerca de la importancia de la escritura como método y herramienta de comunicación. La distinguida‚ Mónica Montes‚ nos muestra como en la sociedad actual existe un alto
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ASSIGNMENT Programme: BTEC Higher National Diploma (HND) in _Business (Marketing) Title : Unit 13 Personal and Professional Development Unit Level : Level-5; 15 credits Module Tutor: Tabassum Ferdous Email: tutor@mrcollege.ac.uk Date Set: 21/1/2014 Key dates Distribution date: 22/01/2014 Final Submission date: 4.4.2014 Introduction This unit aims to help you become an effective self-directed learner whilst becoming confident in managing own personal
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Joscely Garris Professor Vinh Hoang CHEM 1151L – 254 25 October 2013 Preparation of Viscous Solution This report discusses an experiment to study the relationship of solute/solvent and the calculations involved to measure the concentration of the solution. The first experiment to take place is the preparation of a salad dressing using xanthan gum solution‚ water and oil. Commonly used as a food thickening agent‚ Xanthan gum is a large molecule composed of several saccharides linked together
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EXPERIMENT 2: SOLUTION PREPARATION AND STANDARDIZATION Submitted by Iris Olaso ______________________________________________________________________________ INTRODUCTION Generally‚ there are two ways in preparing a solution‚ one is by dissolving a weighed amount of solid in a required solvent and the other is by dilution of a concentrated solution into the desired concentration. In diluting concentrated solution‚ the concentration of the diluted solution can be determined by standardization
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Introduction 3 Results 4 Discussion 6 Conclusion 7 Experimental 7 References 8 Preparation of 2-Acetylcyclohexanone Introduction When hydrogens are present on the α-carbon of ketones (like the reaction used in this experiment)‚ carbonyl compounds and aldehydes‚ they turn the compound slightly acidic1. These functional groups are removed by using a basic solution as shown in (i) below1. The product formed with water is stable only due to resonance‚ but does
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Clinical Chemistry Manlangit‚ Joyce Ann U. EXPERIMENT Title: Standard Curve Preparation Objectives: 1. Properly set up a standard curve 2. Using the prepared curve‚ determine the concentrations for control and patient specimens. Materials and Reagents: 2ml 1M Sulfuric Acid 2ml of 0.1M Potassium Dichromate Distilled Water Pipettes Volumetric Flask Test Tubes Procedure: 1. Prepare 1 ml glucose solution and place in test tubes 2. Add 2ml of 1M Sulfuric Acid solution 3. Add
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