Preparation of Dibenzalacetone by the Aldol condensation David o Neill Date of experiment: 14/12/2011 Apparatus Steam bath‚ ice bath‚ Buchner funnel‚ beaker‚ conical flask‚ filter paper‚ TLC apparatus‚ Melting point apparatus Materials / chemicals Benzaldehyde‚ acetone‚ ethanolic sodium hydroxide‚ ethanol Introduction The synthesis of dibenzalacetone is formed from an Aldol condensation reaction. An Aldol condensation reaction is a very effective way of forming a carbon – carbon bond reaction‚ in
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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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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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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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100 Basic Terminologies on Food Preparation Bake: To cook in the oven with dry heat. barbecue: To cook on a rack or spit over hot coals or some other source of direct heat. baste: To spoon pan juices‚ melted fat‚ or another liquid over the surface of food during cooking to keep the food moist and add flavor. beat: To mix ingredients together with a circular up and down motion using a spoon‚ whisk‚ or rotary or electric beater. bind: To thicken or smooth out the consistency of a locked. blanch:
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Philippine Normal University College of Language‚ Linguistics and Literature Department of English Text Book Evaluation In partial fulfillment of the requirements in ELT 505: Preparation and Evaluation of Instructional Materials Submitted by: Noveras‚ Ellen P. 02 October‚ 2010 Introduction English for a Better World III‚ An Interactive‚ Collaborative and Integrative Worktext
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Title: Preparation of Cyclohexene from Cyclohexanol Aim: To prepare an alkene‚ cyclohexene‚ by the dehydration of an alcohol‚ cyclohexanol‚ and better understand the processes that take place during this reaction. Introduction: One of the common ways of preparing an alkene is through the dehydration of an alcohol. In this experiment cyclohexanol is dehydrated to prepare cyclohexene while using sulfuric acid as a catalyst. A bromine test can be later done to ensure that the end product is
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