Synthesis of Aspirin from Oil of Wintergreen Objectives: In this experiment‚ the Oil of Wintergreen is put into an Erlenmeyer flask containing sodium hydroxide to create sodium salicylate. The solution is then refluxed which means that the solution will be boiled in a base‚ then condensed in a condenser. This replaces the carbon on the ester at carbon 1‚ with an oxygen atom which will have an ionic bond with a sodium anion. This yields sodium salicylate which will be acidified in methanol
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Distillation is one of the most common separation techniques used in laboratories or industries where liquid chemicals are separated based on their volatilities. Distillation is usually done by vaporizing the liquid mixture in one vessel and condensing the vapors into another. The liquid mixture being distilled is called distilland and the resulting liquid is called distillate. In laboratories‚ there are several types of distillation used according to the needs such as simple distillation which involves
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Architecture of the oil tanker From Wikipedia‚ the free encyclopedia Oil tankers generally have from 8 to 12 tanks.[1] Each tank is split into two or three independent compartments by fore-and-aft bulkheads.[1] The tanks are numbered with tank one being the forwardmost. Individual compartments are referred to by the tank number and the athwartships position‚ such as "one port"‚ "three starboard"‚ or "six center."[1] A cofferdam is a small space left open between two bulkheads‚ to give protection
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STUDY GUIDE LORENZO’S OIL Overview Lorenzo’s Oil is the story of the Odones’ race against time for the survival of their little boy. Lorenzo at age 6 develops a classic childhood case of Adrenoleukodystrophy. Augusto and Michaela Odone work tirelessly with little assistance from the medical community and the parent support group to find a therapy to stop the progression of this devastating disease. In 2001 Elizabeth Spike‚ a high school biology teacher in Rochester‚ New York‚ chose to show a film
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Reflective :1 Environmental degradation Any type of activities which alters the systems of the environment and he disturbances caused to air‚water‚soil and the eco systems is known as environmental degradation. Its under the top ten threats in the united nations panel. Because of environmental degradation illness and premature deaths occur in large numbers. A report says that human health is deteriorating in the past decades. If improvements
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2012 (Sapporo‚ July 3-5) RETURN AND VOLATILITY SPILLOVERS IN CRUDE OIL MARKET AND GOLD MARKETS Tzu-Kuang Hsu Department of International Business‚ Chung Hua University‚ 707‚ Sec. 2‚ WuFu Rd.‚ Hsinchu 300‚ Taiwan ROC hsutk@chu.edu.tw Chin-Chang Tsai Chung Hua University PH.D. Program of Technology Management 707‚ Sec. 2‚ WuFu Rd.‚ Hsinchu 300‚ Taiwan ROC 1435fu@gmail.com ABSTRACT Much of the economics literature asserts that crude oil and gold prices consistently affect global economic growth. Most
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started to adopt environmental accounting. What is environmental accounting? Should it be made mandatory? Does environmental accounting help the environment in any way? Give specific examples of how environmental accounting has benefited the environment. ------------------------------------------------- Introduction : The developing countries like India are facing the twin problem of protecting the environment and promoting economic development. A trade-off between environmental protection and
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ENVIRONMENTAL LAW 1. To what extent have the principles of environmental law been incorporated in the Environmental Protection Act 2000 20TH MARCH‚ 2004. Introduction The environment is made up of the physical‚ biological and human elements. These three are different facets of one and the same environment. Not only in recent years‚ the human environment has begun to impinge and burden the physical and biological environment. It is only in recent years that the public has been made aware
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Neroli essential oil is gotten from the flowers of the bitter orange tree‚ which belongs to the citrus family. Neroli oil is extracted through the distillation method. Neroli essential oil gibes off aroma that appears to be a blend of sultry floral with a touch of earthly wood. Bitter orange‚ which serves as the source of neroli essential oil is majorly grown in Eastern Africa‚ Western India and Himalayas. However‚ during the mid-1500s‚ the bitter orange tree was taken to St. Augustine‚ Florida by
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Assignment 6 3 Environmental issues in my Introduction Statement 1.Water pollution and the reduction of that resource is of great concern. I believe this is one of the most important issues because it affects every living thing. We dump many contaminants into our water. I know I could do better on reducing the water I use. 2. Air pollution is another major problem. This also affects everything that is living. It can cause numerous health issues. 3.Light pollution would be my third choice
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