Preparation of 4-bromoaniline Introduction Aromatic compounds tend to undergo electrophilic aromatic substitutions rather than addition reactions. Substitution of a new group for a hydrogen atom takes place via a resonance-stabilized carbocation. As the benzene ring is quite electron-rich‚ it almost always behaves as a nucleophile in a reaction which means the substitution on benzene occurs by the addition of an electrophile. Substituted benzenes tend to react at predictable positions. Alkyl groups
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Food has become easier to prepare. Has this change improved the way people live? Use specific reasons and examples to support your answer. Of course‚ nowadays food has become more easier to prepare. Think about microwave-ovens‚ mixture‚ grinding machine‚ rice-cooker‚pressure cooker‚I think you already got the answer‚ right? In my point of view‚ the improvement of food preparing has obviously changed our lifestyle in a better way. These days‚ people need not use effort‚ every things are kept in
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SIMMA.UMAMAHESHWARA RAO Mobile: +91-8500013808 E-mail: simma.umamahesh@gmail.com Career Objective: I am looking forward to an opportunity where I can utilize my skills and contribute effectively to the success of the organization and also for the improvement of my skills. Professional Qualifications: Examination Passed / Appearing School / College Board/ University Year of Passing Grade(CGPA) M.C.A SIR C.R.REDDY COLLEGE OF PG COURSES ELURU ANDHRA UNIVERSITY
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How to Prepare for the Uniform CPA Exam Published September 24‚ 2009 Read the Candidate Bulletin As a CPA Examination candidate‚ you are required to be thoroughly familiar with the entire examination journey – from the time you apply to take the examination until you pass all four sections. You must learn how the process works‚ what rules govern your progress‚ what requirements you have to meet‚ and what responsibilities you have as a candidate. The accountancy board in the state in which
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Preparation of Chitosan from Jazan Area Shrimp wastes and Investigation of Its Properties Preparation of Chitosan from Jazan Area Shrimp wastes and Investigation of Its Properties A Project submitted to the Physical Chemistry Branch In partial fulfillment of the requirements of Bachelor of Science (Chemistry) By Student #: Under the guidance of Dr. R. E. Azooz To Chemistry Department‚ Faculty of Science‚ Jazan University 2097-Jazan‚ Jazan‚ KSA 2012 1|Page Preparation of Chitosan from Jazan Area
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International Journal on Marine Navigation and Safety of Sea Transportation Volume 2 Number 4 December 2008 Human Errors and Oil Pollution from Tankers P. Arsenie & R. Hanzu-Pazara Constanta Maritime University‚ Constanta‚ Romania ABSTRACT: The economical development of the world is based on transportation system. More than half of the products transported all over the world are carried by sea. Sea transportation is made with different kind of ships‚ as bulk carriers‚ cargo vessels
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PREVENTION OF OIL SPILL POLLUTION IN SEAWATER USING LOCALLY AVAILABLE MATERIALS Nasser Al Hashar Dr Syed Anisuddin Tabassum Sadik Dr Sofia Tahseen Caledonian College of Engineering (A University College) 2322‚ CPO Seeb 111 SULTANATE OF OMAN anis_adil@hotmail.com A b s t r a c t Oil spill pollution‚ a severe environmental problem which persists in marine environment or in inland water across the world‚ has grown to an alarming magnitude with
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Sustainable Food Preparation. Through out the world food preparation has become more damaging to the world. In London‚ food creates 19 million tones of greenhouse gas emissions per year which is more than from all of London’s transport and all of London’s houses. Sustainable food is safe‚ healthy and nutritious‚ for consumers in shops‚ restaurants‚ schools‚ and hospitals etc‚ and can meet the needs of the less well off people and provides a livable livelihood for farmers‚ processors and retailers
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Fats and oils - 344 Iodine value of an edible oil INTRODUCTION Fats and oils known as triglycerides contain long chain hydrocarbons with carboxyl groups (COOH groups). These fatty acids are classified into the number of double bonds present in the fatty acid. When the carbon atoms in these chains are bounded to the maximum possible number of hydrogen atoms‚ the triglyceride is said to be saturated. When one or more double bonds exist between carbon atoms in the chain‚ less hydrogen exists
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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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