Preparation of an Alkene by dehydration of an alcohol in the presence of a catalyst. Calculate the percentage recovery of products. Test for purity and identification of products. Abstract Cyclohexene and cyclohexanol are both colourless aromatic compounds. The major difference between the two is the presence of the hydroxyl group present in cyclohexanol. This hydroxyl group can be removed by a process known as dehydration which results in the production of cyclohexene at the end of the dehydration
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Marketplace Characteristics of U.S. Organic Sector The U.S. organic food industry crossed a threshold in 2000: for the first time‚ more organic food was purchased in conventional supermarkets than in any other venue. Industry estimates suggest that nearly half of the $7.8 billion spent on organic food in 2000 was purchased in conventional retail outlets. Organic products are now available in nearly 20‚000 natural foods stores (Natural Foods Merchandiser)‚ and are sold in 73 percent
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Jonathan Abdelsayed Modes of Writing – 4 23 September 2012 Lost AND Found It was a regular day for my family. My parents had gone to work; my brother and I had walked to school. The excitement inside me was about to burst. That day was my first year to attend the Benton County Fair. I was six years old at the time. There were over a few acres filled with different rides‚ activities‚ games‚ and all the junk food someone could ever imagine. We entered the gate having our admission paid; the
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ORGANIC MACROMOLECULES 1. What is a polymer? 2. Man-made polymers have been studied since 1832. Today‚ the polymer industry has grown to be larger than the aluminum‚ copper and steel industries combined. Polymers already have a range of applications that far exceeds that of any other class of material available to man. Give examples where polymers are applied in each of these categories: a) Agriculture b) Medicine c) Consumer Science
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Organic Lab I No. 5-6 Separation of a Carboxylic Acid‚ a Phenol‚ and a Neutral Substance (Two-week lab) Reading Assignment 1) Chapter 7 • Introduction: P. 135- first paragraph • Theory and Techniques (p142-145) o Properties of Extraction Solvents o Mixing and Separating the Layers o Drying Agents o Part 1: The Technique of Neutral Liquid/Liquid Extraction The description is for dichloromethane-aqueous
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of a medication in current usage that originated from the natural source of: foxglove plant‚ sheep’s wool‚ rose hips‚ mold‚ poppy and periwinkle. (2 points) 4. Describe four ways in which a new drug can be discovered or created. (2 points) 5. What types of drug characteristics/effects are studied during each of the three phases of human testing of a drug prior to FDA approval? (3 points) 6. How do computers assist in the designing of new drugs? (2 points) 7. What is the reason for manufacturing
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Chromatography • • • Separation based on polarity of compounds Two potential phases for a compound to exist in: mobile and stationary Partitioning of compounds between mobile phase and stationary phase occurs: o Compounds that are less polar move more in the mobile phase‚ those that are more polar “stick” more on the stationary phase o These polarity differences cause compounds move at different rates and therefore can be separated 1. Mobile Phase: the phase the moves; can be gas or
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Lost and Found It’s a story that many people have lived through‚ from one side or the other. You’re a child in a busy department store‚ tethered to your mother’s side by her firm grip on your hand‚ your eyes constantly drawn left and right by the colorful displays. She lets go to grab something or talk to a salesperson‚ and you see an exciting toy or stuffed animal and run to it. After playing with it for a few minutes you try to walk back‚ but your mother is gone. First a wave of confusion hits
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Carter October 29‚ 2009 English 1301-015 Barbi Fowler Organic or Not Organic Even though organic foods cost a bit more than conventionally grown foods‚ I believe that our health is suffering from the consumption of conventionally grown products. We are being poisoned by foods contaminated with pesticides and other chemical fertilizers. This is not only affecting our health but it is also affecting our environment. We can benefit from organic foods. Since I have been in college I have been doing
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Internet Services Internet users have a wide access to a variety of services: electronic mail or e-mail‚ access to file repositories and information resources‚ electronic file transfer‚ membership in special interest discussion groups and mailing lists‚ communications such as chat‚ real-time broadcasting‚ online shopping opportunities‚ breaking news and others. The Internet supports a variety of access protocols to allow various types of services. Many of these protocols feature programs
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