Reactions of some Hydrocarbons Equipment Required: -4 Test tubes -Dropper - Cyclohexane (C6H12) (3ml) - Cyclohexene (C6H10) (3ml) - Toluene (CH3C6H5) (3ml) - Potassium Permanganate solution (KMnO4) .01 mol L-1 (4ml) - Sulfuric Acid (H2SO4) 2mol L-1 (2ml) - Bromine Water (Br2) (5ml) Procedure: Reaction of hydrocarbons with acidified permanganate: 1) Into three separate‚ labeled test tubes place 1 ml of cyclohexane‚ cyclohexene and toluene respectively. 2) In a separate test
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Separation of a Mixture of Solids PURPOSE: The purpose of this lab is to familiarize ourselves with the techniques associated with separating a mixture of different solids. We will learn how the unique properties of substances can aid in this process and help us distinguish each pure substance from one another. DATA OBSERVATIONS CALCULATIONS CONCLUSION/DISCUSSION QUESTIONS A. How did your proposed Procedures or flow charts at the beginning of this experiment compare to the actual Procedures
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Good Afternoon‚ everyone.I am sure everyone sitting here has experienced purchasing a product insprired by it’s advertisement? Today‚ I will be talking to you about advertisements and how they affect our daily lives.Advertisements are all around us.It is a form of communication used to persuade it’s audience to consume the product the companies selling . Advertisements are usually paid for by sponsors and are displayed through various ways such as television‚ newspapers‚ brochures‚ mail‚ radio‚
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First day back at placement after Easter Holiday‚ I greeted children in to class as their parents dropped them in to class in the morning. Straight away children where learning through play. My morning duty was to supervise children and play with them. There was Lego‚ foam on a table‚ a table with sand and toys set out for the children. Girl A speaks Bengali at the moment learning to speak English. But she said whistle in Bengali as she was pouring sand through a windmill toy. Girl B described
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Unit 10 Assignment 2: The Endocrine System: Diseases and Age-Related Changes Human Chorionic Gonadotropin (hCG) Human chorionic gonadotropin is a hormone that can be detected in the urine or blood of both males and females. It is more often seen in pregnant women but can also be found in cancerous tumors of the uterus and testicles. HCG aides in establishing pregnancy and has also been used here lately in some forms of weight loss programs although not always approved. Cushing’s Disease Cushing
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MINISTRY OF EDUCATION‚ YOUTH AND SPORTS CAHUL STATE UNIVERSITY “B. P. HASDEU” PHILOLOGI DEPARTMENT ENGLISH AND FRENCH LANGUAGE AND LITERATURE THEME Difficulties in Translation of Publicistic Headlines and their Pragmatic Aspect CAHUL 2010 Introduction Publicistic Headline is known as the name of literature‚ scientific or musical produce. Our research on publicistic headline will study a lot of its definition. We shall notice similarity between
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from valves to electronics‚ down to microelectronics and quantum computing. It mirrors the downsizing in focus in the biological sciences‚ from cells to genomics. Conversely‚ achievements in chemistry have been converging into the nanometre range from below – from atoms and molecules to supramolecular chemistry. Nanochemisty focuses on the unique properties of materials in the 1–100 nm scale. The physical‚ chemical‚ electrical‚ optical and magnetic properties of these materialsare all significantly
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Toxicological Chemistry - relates the aspects of toxicology to the chemical structure and reactivity of the toxin. It is concerned with the chemical interaction of the toxin with the receptor that gives the physiological response. The ultimate aim is to relate functional group chemistry of both toxin and receptor to the interaction Toxicity - the degree to which a substance causes damage to an organism Acute toxicity - the adverse effects resulting from a single exposure‚ or exposure over
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Net income is derived from the Income Statement‚ which is based on the accrual method of accounting. Under the accrual method‚ revenue is recognized when earned and expenses are recognized when incurred. Net cash provided by operating activities uses the cash method of accounting where cash and expenses are recognized when received and paid. For example‚ under the accrual method‚ which net income is based on‚ a company would recognize revenue for services delivered based on the delivery of services
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THE IMPORTANCE OF ELECTROLYSIS IN OUR DAILY LIFE “Electrolysis is the passage of an electric current through an electric current through an electrolyte with subsequent migration of positively and negatively charged ions to the negative and positive electrodes. “ 1 Electrodes are metals that are capable to conduct electricity through the solution used in electrolysis. During electrolysis‚ positive and negative electrodes are needed. The positive electrode (anode) experiences oxidation
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