Vidallon‚ Mark Louis P. Date Performed: February 20‚ 2012 CHEM44.1 2L Date Submitted: March 12‚ 2012 MIXED-ALDOL CONDENSATION Synthesis of Cinnamaldehyde I. Introduction Cinnamaldehyde‚ cinnamic aldehyde or 3-phenyl-2-propenal is the major constituent of cinnamon oil‚ extracted from several species of Cinnamomum (C. verum‚ C. burmanii‚ C. cassia)‚ under the family Lauraceae‚ a group of evergreen trees. Cinnamon bark (particularly C. verum) yields 0.4-0.8% oil‚ which contains 60-80% cinnamaldehyde
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Biochemistry Lecture Exam 1 Study Guide Chapter 1: Biochemistry: An Introduction I. Introduction a. Biochemistry: the study of molecules and chemical reactions of life b. Divided into 3 principal areas: 1. Structural chemistry of components of living matter & relationship of biological function to chemical structure 2. Metabolism – total chem reactions that occur in living matter; building & breaking down of molecules 3. Chemistry of processes & substances that store & transmit biological
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Specimen Paper Centre Number Surname Other Names Examiner’s Initials Candidate Signature Question Mark Candidate Number For Examiner’s Use General Certificate of Secondary Education Foundation Tier 1 2 3 4 5 6 7 Science A Unit Chemistry C1 Chemistry 1F Chemistry Unit Chemistry C1 For this paper you must have: • a ruler • the Data Sheet (enclosed). You may use a calculator. F 8 9 TOTAL Time allowed ! 60 minutes Instructions ! ! ! ! Use black ink or black ball-point
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Sept 27‚ 2010 Chapter 4 * With four valence electrons‚ carbon can form four covalent bonds with a variety of atoms * This tetra valence makes large‚ complex molecules possible * Fundamental groups: Alkanes and Alkenes * The electron configuration of carbon gives it covalent compatibility with many different elements * The valences of carbon and its most frequent partners (hydrogen‚ oxygen‚ and nitrogen) are the “building code” that governs the architecture of living
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M12/4/CHEMI/SP2/ENG/TZ1/XX/M MARKSCHEME May 2012 CHEMISTRY Standard Level Paper 2 13 pages –2– M12/4/CHEMI/SP2/ENG/TZ1/XX/M This markscheme is confidential and for the exclusive use of examiners in this examination session. It is the property of the International Baccalaureate and must not be reproduced or distributed to any other person without the authorization of IB Cardiff. –3– M12/4/CHEMI/SP2/ENG/TZ1/XX/M General Marking Instructions Assistant Examiners (AEs) will be contacted by
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behavior. Examples are shown in Figure 1. Figure 1. Examples of functional groups The class of compound is given under each structure; the functional group name‚ if different‚ is in parentheses. H N amine (amino) OH Br alkyl bromide (bromo) alkene (alkenyl) O O H aldehyde ketone (carbonyl) alkyne (alkynyl) O alcohol (hydroxyl) O N C nitrile epoxide ether O OH carboxylic acid (carboxyl) O Cl acyl halide (haloformyl) O O O O O O N H amide (carboxamide) anhydride
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Subsidiary Level and Advanced Level CHEMISTRY Paper 1 Multiple Choice Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) Data Booklet 9701/13 May/June 2010 1 hour *2288633369* READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. Write your name‚ Centre number and
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education CHEMISTRY Paper 1 Multiple Choice Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) 0620/01 October/November 2008 45 Minutes *6400528663* READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. Write your name‚ Centre number and candidate number on the
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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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Megan Entwistle‚ Maria Amos‚ and Paul Golubic CHEM 0330 Organic Lab 1 Sodium Borohydride Reduction: Diphenylmethanol from Benzophenone 11/16/11 Introduction Redox (shorthand for REDuction-OXidation) reactions are chemical reactions in which the oxidation state (or oxidation number) of atoms has changed. Oxidation can be observed through the loss of electrons or an increase in oxidation state by an atom‚ ion or molecule. Reduction describes the gain of electrons or decrease in oxidation state
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