sent down from central government. Usages of Petroleum Petroleum is mostly used as Fuel. Several other hydrocarbon chemicals can be distilled out of petrol which again can be used for a variety of purposes. Some of petrol’s end products are- Alkenes (olefins) which can be manufactured into plastics or other compounds Lubricants (produces light machine oils‚ motor oils‚ and greases‚ adding viscosity stabilizers as required). Wax‚ used in the packaging of frozen foods‚ among others. Sulfur or
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0 PANJAB UNIVERSITY CHANDIGARH- 160 014 (INDIA) (Estted. under the Panjab University Act VII of 1947-enacted by the Govt. of India) FACULTY OF SCIENCE SYLLABI FOR M.Sc. (TWO YEAR COURSE ) IN CHEMISTRY 1st & 2nd YEAR( Semester System) EXAMINATIONS 2013-2014 --:O:-- 1 OUTLINES OF TESTS‚ SYLLABI AND COURSES OF READING FOR M.Sc. FIRST YEAR (SEMESTER-I) EXAMINATION OF 2013 OBJECTIVE OF THE COURSE To teach the fundamental concepts of Chemistry and their applications. The syllabus pertaining
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8. AHydrocarbons Ahydrocarbons are commonly and naturally occurring organic compounds that consist entirely of the elements hydrogen and carbon. They consist of many different chemical subgroups such as aromatic hydrocarbons or arenes‚ alkanes‚ alkenes‚ and alkyne-based
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Experiment 6: Synthesis of an Alkyl Halide Maria Alexandria Buraga Ammuyutan Institute of Chemistry‚ University of the Philippines‚ Diliman‚ Quezon City 1101 Philippines ------------------------------------------------- Department of Food and Science Nutrition‚ College of Home Economics‚ Univeristy of the Philippines‚ Diliman‚ Quezon City 1101 Philippines ------------------------------------------------- ABSTRACT ------------------------------------------------- Alcohols react with hydrogen
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Key Questions Unit Two Lesson Five 91/92= 99 % 15. a) 2‚3‚5-trimethylhexane b)3-ethyl-2‚4‚6‚7-tetramethyloctane c)2‚2-dimethylpentane 6 16. a)3-ethyl-3-methylhexane CH3 | CH3-CH2-CH-CH2-CH2-CH3 | CH2CH3 b) 1-ethyl-3-propylcyclohexane c) 2‚4-dimethylheptane CH3-CH-CH2-CH-CH2-CH2-CH3
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Chemistry Revision F331 Isotopes - atoms with the same atomic number‚ but different mass numbers 131I - radioactive tracer for thyroid. 99Tc for tumours. Radioisotopes - gamma emitters & short half life - long enough to detect‚ but not long enough for damage. Beta particles emitters are more useful than alpha particle emitters because they penetrate more and so are more easily detected. Also‚ less damaging. The half life is the time taken for half the isotope to decay Mass left = initial
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Experiment 7- Isolation of the Major Component of Clove Oil Pre-Lab Questions: 1.) Briefly explain the concept of steam distillation. What is the difference between a simple distillation and a steam distillation? When a mixture of two immiscible liquids are distilled it is referred to as codistillation. This process is referred to as steam distillation when one of the liquids is water. This distillation is used to separate organic liquids from natural products and reaction mixtures in which
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INTERCHAPTER S Synthetic Polymers The formation of nylon by a condensation polymerization reaction at the interface of water and hexane‚ two immiscible solvents. The lower water layer contains the compound hexanedioyl dichloride‚ Cl C(CH2)4C O O Cl hexanedioyl dichloride The reaction produces nylon and HCl(aq). The polymer forms at the interface between the two solutions and is drawn out as a continuous strand. University Science Books‚ ©2011. All rights reserved. www.uscibooks.com
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greener alternative because using mCPBA is twice as expensive as Oxone and leaves behind the epoxide plus m-chlorobenzoic acid while Oxone creates non-toxic byproducts and recycles acetone in the epoxidation reaction. Introduction The epoxidation of an alkene creates an epoxide that is reactive to nucleophiles. This is important in organic chemistry as well as biological sciences. For example epoxide hydrolase aids in purification during drug metabolism. The mechanisms for Oxone and mCPBA epoxidation can
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(Enclosure No. 4 to DepEd Memorandum No. ___‚ s. 2012) Format of Research Paper Investigatory papers that were reviewed by the national SRCs in the past years were found to have inadequacies in the content particularly in the areas cited below. These rules are found in the Guidelines (http://www.societyforscience.org/isef/rulesandguidelines) and in the Student Handbook (http://www.societyforscience.org/document.doc?id=12). The description of the research plan and the sample abstracts are provided
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