THE CHEMISTRY OF ORGANIC MOLECULES I. MACROMOLECULES-large molecules that are composed of smaller molecules and atoms that are bonded together. These are among the largest of all chemical molecules. A. Polymers-the largest of the macromolecules. These are composed of numerous‚ small identical subunits known as Monomers. There are 4 major polymers that are important for living organisms. These polymers are; carbohydrates‚ lipids‚ proteins and nucleic acids. B. Polymers
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|Chapter 5: | |Structure and Preparation of Alkenes. | |Elimination Reactions | Summary Alkenes contain the C=C functional group which can be prepared by 1‚2-elimination reactions such as: • dehydration of alcohols (- H2O) or • dehydrohalogenation of alkyl halides (- HX). Zaitsev’s rule indicates that the preferred product is the more highly substituted
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Experiment 1: Solubility of Organic Compounds (Answers to Questions) Q1. State what types of inetmolecular forces are present in solutions formed due to intermolecular attractions between the solute and the solvent. A1. For Water-Soluble Compounds: Acetone – Water: Hydrogen bonding and van der Waals forces Acetone – Diethyl Ether: Dipole – (induced) dipole and van der Waals forces Sucrose – Water: Hydrogen bonding and van der Waals forces Ethyl alcohol – Water: Hydrogen bonding
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Patricia Williams ENG 226 DL3 Is Organic Food Better? There have been many different food trends over the years. We have been told about eating low fat diets‚ zero carb diets‚ and now organic. If you are like many others‚ there is a good chance that you have heard that organic foods are healthier to eat. They contain more vitamins‚ minerals‚ enzymes and taste than engineered produce do. Organic foods are also free from insecticides‚ pesticides‚ growth hormones‚ antibiotics‚ fertilizers and a
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Organic foods have become more popular amongst Americans. Between October 2003 and October 2004 there has been a 27% increase in Americans eating more organic foods. Is the cause nutrition value or because it is more environmentally friendly? There are many Americans that are trying to eat healthier and more nutritious foods‚ But is organic food really more nutritious? Although evidence is still unclear‚ many say that organic foods and conventionally grown foods have close to‚ if not the same nutrition
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Is Organic Food Worth It? Organic farming began in the late 1940’s in the United States‚ and in recent years it has seen a dramatic increase in popularity. The sales of organic food have been increasing by about 20 percent a year over the past decade. The general belief is that organic items tend to be better for the consumer and the environment when compared to non-organic items. Organic foods are produced without the use of most synthetic fertilizers‚ sewage sludge‚ pesticides‚
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Before I go on about the use of fertilizers in organic farming‚ you must first understand what organic farming is. The simplest way to describe organic agriculture is agricultural production without the use of synthetic chemicals (fertilizers‚ pesticides‚ antibiotics‚ etc). For crop production‚ organic materials such as compost and manure are used to maintain soil organic matter and as sources of nutrients. Nitrogen-fixing as well as pest resistant plant varieties are utilized. The incorporation
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The Benefits of Organic Farming Breanna Doan Communications Abstract In the recent years there has been a growing concern over the health of the people in the world. Some have been starting to wonder if there is a reason for the growing number of people with cancer and other diseases. Others have been more concerned with the environment and if there is a way to make it a cleaner and better place to live. This study explores how many people have found that the way farmers are growing food could
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with supply and demand. But this is not a solution‚ it is instead almost adding to the problems our society faces today. This is where organic farming comes in. Although it may be hard to change society’s long standing opinion that mass-production by any means necessary is the right way to go‚ organic farmers are now making a larger appearance on the world stage. Organic farming can be the solution‚ and it is possible to feed a booming population through this type of farming if three simple things are
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ESTERIFICATION SYNTHESIS OF PEAR OIL One of the major uses of Esterification (C(=O)-C-R) is forming compounds with different odors which can be used to make different synthetic and natural flavorings. Using the chemical and physical properties of organic compounds‚ an ester was catalyzed from the reaction of a carboxylic acid with an alcohol‚ producing an odor similar to that of pear oil. The mechanism of this Fischer- Esterification process is outlined as follows:
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