When it comes to organic chemistry and the synthesis of specific products there is an abundant amount of routes that can be taken and still get you the same result. For the following experiment‚ the main focus is the use of a cycloaddition reaction‚ also known as Diels-Alder. According to the lab manual‚ this reaction consists of the addition of a diene and a dienophile and that the Diels-Alder reaction builds stereospecific ring compounds with ease (Weldegirma 80). The reaction takes place between
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Chemistry Final Exam Version 10/7/14 Name: Student number: Directions: It is important that you provide answers in your own words. Please focus only on information from the text/eBook to create your own solutions. Please do not use direct information from an outside source (especially copying and pasting from an “answer” website). Use of direct information from an outside source is against school policy. All answers will be checked for plagiarism. Instances of plagiarism can result in
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Lecture 12 Chapter 6 6.1 Thermochemistry: Energy & units (p.227) From observation we know‚ that - some chemical reactions begin as soon as the reactants come into contact with each other (precipitation reactions) - some reactions are slow or even so slow at room temperature that even lifetime is not enough to observe a measurable change (rusting of iron‚ tarnishing silver) Also‚ almost all chemical reactions involve exchange of heat (or energy): in combustion reactions
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Why is organic chemistry important? Organic compounds are used for many different things. Daily life in today’s world would be very hard to live in without organic compounds; in fact life would not be possible without organic compounds. For example‚ most of your body is made up of organic compounds. The food you eat is made up of organic compounds. Even the flavourings and colourings on processed food are organic. The clothes you wear are‚ yes you guessed it‚ organic as well. What’s more is that
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Relevance of Chemistry 3 Analytical Chemistry 5 Chemical and Biology Safety 9 Classification of Hazardous Chemicals 15 Biochemistry 24 Organic Reactions 32 Radiation 34 Environmental Concerns 40 The Relevance of chemistry to Occupational Safety‚ Health an Environment Chemistry is the science of chemicals which studies the laws governing their formation‚ combination and behaviour under various conditions‚ it
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Student Mrs. Teacher Class Date Katie Limbach Mrs. Falk Chemistry 09-13-13 Title: Properties of Gases Purpose : The purpose of this lab was to learn about properties‚ both physical and chemical‚ of gases and to be able to identify them. Materials: Matches Toothpicks Pie tin Marker White Vinegar Hydrogen peroxide Measuring spoons Straw Tissue paper Baking soda Test tubes 24 Well Plate Pipet Stoppers for the test tube Chemicals provided by Labpaq Procedure:
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9/22/2011 Basic Chemistry Why are we studying chemistry? • Biology has chemistry at its foundation Elements • All matter composed of basic substances called elements • Living organisms require about twenty of the known elements Together‚ carbon‚ hydrogen‚ nitrogen and oxygen make up 95% of the elements found in the body. Atoms • All elements made of tiny particles called atoms • Made up of: – Nucleus • contains protons (+ charge) and neutrons (no charge) – Outside
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SOAP NOTES The acronym SOAP defines four sections: (S) for subjective‚ (O) for objective‚ (A) for assessment‚ and (P) for plan. The SOAP note format is common to the medical setting and is used by many health care professionals. Subjective (S). The subjective section should include information given or statements made by the patient or the patient family in relation to the current deficits or ability to participate in evaluation or treatment sessions. For example‚ a patient who exhibits significant
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Number Surname Other Names Candidate Signature Candidate Number For Examiner’s Use Examiner’s Initials Question Mark General Certificate of Education Advanced Level Examination January 2011 1 2 3 Chemistry Unit 4 Kinetics‚ Equilibria and Organic Chemistry 9.00 am to 10.45 am Wednesday 26 January 2011 CHEM4 4 5 6 7 For this paper you must have: ● the Periodic Table/Data Sheet‚ provided as an insert (enclosed) ● a calculator. TOTAL Time allowed ● 1 hour 45 minutes
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Although negotiable instruments (eg bills‚ cheques‚ promissory notes‚ certain bearer debentures‚ bonds and share warrants) are categorised as commercial paper‚ not all commercial papers are negotiable instruments. Examples of commercial papers which are not negotiable instruments include bills of lading and share certificate Some negotiable instruments can be characterised as instruments of payment (eg bills‚ cheques and promissory notes) whereas others can be seen as instruments of investment (eg
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