Running head: Organic Chemistry Tamanna Ashraf Palm Beach State College Principle of Chemistry Ceravolo‚ Joseph MW 11:00am-12:15pm February 6th‚ 2011 We all are living in a science world. Everything has some kind of reaction going on in our living area. It is just we do not get to see or realize that where n how we having our life much easier than it used to be. In these writing assignments‚ the topic is about the organic chemistry. In organic chemistry‚ we all have different kinds of compounds
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giant molecule formed by the joining of smaller molecules‚ usually by a dehydration reaction. Polysaccharides‚ proteins‚ and nucleic acids are macromolecules. • Polymer: a long molecule consisting of many similar or identical monomers linked together by covalent bonds. • Monomer: the subunit that serves as the building block of a polymer. • Condensation (dehydration) reaction: a chemical reaction in which two molecules become covalently bonded to each other with the removal of a water molecule. •
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History of Plastics Contact Us Composite Plastics Mechanical Plastics Performance Plastics Fluoroplastics Transparent Plastics Forming Grade Plastics Corrosion Resistant Plastics Film & Graphic Plastics Fluid Handling Tubing Insulation Tubing & Sleeving History of Plastics The United States plastics industry is a multi-billion dollar business‚ and it is still growing at a rate faster than most other industries in this country. Plastics have been used in every major market
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Universitatea POLITEHNICA București Facultatea de Inginerie in Limbi Străine Suspension Polymerization of Styrene Annual Capacity 80.000 t/year Advisor: Prof. Dr. Ing. Ec. L.M. Butac July 2014 Student: Moise Camelia Mihaela LITERATURE REVIEW............................................................................................................. 2 I.i. History of styrenic polymers ...........................................................................................................
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Biology 113 Review sheet Chapter 2: * What is a compound and how is it different than an element? Compound is more than one element. An element cannot be broken down by chem. Rxns. * What are the 4 main elements of life? Why? C‚H‚O‚N they make up 96% of living matter and they are found in all of the major macromolecules * Be able to calculate the number of protons‚ neutrons and electrons given an element’s mass number or atomic number. If given this symbol - 4He – can you tell
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Chapter 9 The World of Plastics and Polymers Overview • Plastics are all around us – Polymers‚ materials whose molecules consist of long chain of atoms • Natural • Synthetic • Use of material and impact on economy‚ lifestyle‚ and leisure – Word plastic to some carry connotation “cheap” or “tacky” – Synthetic polymers revolutionised modern life • eg plastics become important in automobile industry‚ some new plastics stronger than steel and resist corrosion‚ less dense than structural
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carbohydrates‚ proteins and nucleic acids. The most important organic molecule is Carbon. Carbon can form with up to 4 different atoms to form chains‚ rings and branches. Organic molecules also contain monomers. Monomers are the “building blocks” of macromolecules. Macromolecules are made up by chains of monomers‚ these are called polymers. Continuing with the four organic molecules are proteins. Proteins provide structure and function and have the chemical structures of Carbon‚ Hydrogen‚ Oxygen and Nitrogen
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are carbohydrates‚ lipids‚ proteins and nucleic acids. I will explain what they do and what they are made of. Carbohydrates are in foods‚ some examples are sugars and starch. The structure of a carb is ring shaped‚ it is an easy one to know. The monomer of a carb is monosaccharide‚ which means one sugar. A monosaccharide consists of glucose‚ fructose and galactose. Carbs help give the body energy and help with storage. That is how Carbs help your body. Lipids are made up of fats‚ butter oils and
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to reduce porosity. All these methods have been found to be helpful to a great extent‚ but none of these methods could really help to reduce the water voids and the inherent porosity of gel which is estimated to be about 28%. The impregnation of monomer and
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Which of the following lists the terms from simplest to most complex? * cells‚ tissues‚ organs‚ organ systems‚ organism The smallest unit of life? * Cell The process of_________ transforms solar energy into chemical energy. * Photosynthesis All the chemical reactions that occur in a cell are called? * Metabolism All single-celled organisms including archaea and bacteria are prokaryotes? * False‚ because some Eukaryotes‚ including Protista are single- celled. Prokaryotes belong
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