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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shared purpose. 1. Setting shared vision by repeating 2. motivate by your passion‚ meaning‚ purpose‚ fairness‚ choice and voice‚ to people’s interests and concerns. Lead by commitment 3. enabling via channels and not rely on incentive 4. integrate from diverse teams 5. self awareness and congruence in perception Decision Making needs data on all four cells. Smoker vs Non Smoker and Lung cancer vs No Lung cancer overconfidence‚ discounting intuition‚ garbage in/garbage out Bias in with decision
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filler‚ we accurately pipetted 25 cm3 of 0.010 mol dm-3 sodium hydroxide solution into a conical flask. • Then we added a few drops of methyl orange indicator and placed it on the white tile. This solution was then titrated with the water obtained from the river. • After we stood the burrette up using a stand and clamp. • We then filled up the burrette to approximately the 0.00 mark with the river
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Lecture 5 Lizan A. Majeed Reading Paragraph Purpose Each paragraph in a text has a clear purpose. For example: The first paragraph introduces the topic‚ states the purpose of the text‚ or describes a problem or situation. The body paragraphs develop arguments‚ try to persuade‚ suggest solutions‚ or describe developments. The final paragraph concludes‚ evaluates‚ or discusses consequences. Identifying the purpose of each paragraph helps you understand the text and decide where
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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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Experiment #4 Recrystallization of Pure Phthalic Acid‚ Benzoic Acid and Napthalene Introduction Recrystallization is a important method in purifying organic compounds which are solid. It is an effective method that is important to be familiar with that is essential in the industrial chemical world. This experiment will allow students to be familiarized with the technique of recrystallization by working with phtalic acid‚ benzoic acid and naphthalene from appropriate organic solvents. Experimental
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Getting started on your essay Before you start writing an essay‚ you need to decide three things. What are you writing about? Who do you imagine will be reading your essay? What do you want to tell them? A popular kind of essay is to offer your reader an opinion or argument. You can write a successful essay by starting off with a plan. The key to doing a successful essay is to break the writing down into short‚ simple steps. Pre-writing for your essay Begin by brainstorming. Brainstorming
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Hi Guys‚ IBPS PO Exam‚ is one of the toughest exam in Banking sector unless you practice a lot. As all we know it consists of Numerical Aptitude‚ mental Ability‚ English and General Awareness (mostly banking) and Computer Awareness. Coming to Aptitude and Reasoning‚ I suggest you to glue with single standard book whatever you have and complete it before going for other source. Almost every book will have same models with 85% redundancy‚ so if you finish one book means‚ you covered 85% of syllabus
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Therefore‚ the experiment was performed to conduct quality control analysis on two commercial products to determine the amount of acid or base active in these two products and then compare the results to those of the manufacture. This was done through the preparation of standardized acid solution and standardized base solution‚ and through titration. The purpose of titration was to determine the concentration levels of the commercial products being used.
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Chapter I Problem and its Background A. Introduction Chelating agent is a compound that combines with metal ions to form stable ring structures. It is used to reduce the concentration of free metal ion in solution by complexing it. From the Greek term “chela” that means “the great claw” of the lobster or other crustaceans‚ chelate‚ root word for “chelating”‚ suggests the way in which an organic compound “clamps” onto the cationic element‚ which it chelates. In order for a compound to be
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