category of organic chemicals‚ since its main element is carbon. More specifically‚ it is an amide since it contains a carbon double bonded to an oxygen atom‚ while that same carbon is also connected to a nitrogen atom. It is also classified as an aromatic compound because the six carbon
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with water. 1 (4) Give the IUPAC name of the organic compound 1 O II (CH3)2 C CH C CH3 = − − (5) Name the monomers of nylon 2 or nylon 6 ploymer. 1 (6) Give one example of an artificial sweetener used by the diabetic patients. 1 (7) Direct nitration of aniline is not carried out. Explain why? 1 (8) What type of linkage holds together the monomers of D.N.A.? 1 (9) Examine the illustration of a portion of the defective crystal given below and answer the following questions. (5) (i) What are
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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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required in an organic laboratory‚ to carry out syntheses that are discussed in the lecture course‚ and to familiarize you with the principles employed in identifying a simple organic compound. Occupational Health and Safety Notices The Elements 1. Nitration of acetanilide 2. Hydrolysis of p – nitroacetanilide and thin layer chromatography 3. Separation of a three – component mixture by extraction 4. Completion of experiments from day 1 to 4 5. NMR workshop 6. Sandmeyer Reaction: Preparation
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Grading System 2012-13 CM- 601 – Process Equipment Design - I Unit I Mechanics of materials: Stress- Strain relationships of elastic materials subjected to tensile‚ compressive and shear forces‚ Elastic and plastic deformation‚ General design considerations; Design of shell‚ bottom plates‚ self supported‚ and column supported roofs‚ wind girder‚ nozzles and other accessories. Unit II Unfired pressure vessel: Pressure vessel codes‚ classification of pressure vessels‚ Design of cylindrical and
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Quiz #1 Attempt 1 Written: Jul 7‚ 2012 9:48 AM - Jul 7‚ 2012 9:50 AM Submission View Your quiz has been submitted successfully. Question 1 1 / 1 point At what time do you have to complete your online prelab assignment to be allowed to participate in the lab? Question options: A week before the lab Day before the lab at 10 pm The morning of lab day at 8 am One hour before the lab Question 2 1 / 1 point Which materials/chemicals belong in the desiccator? Question options: Drying
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Manufacture of Paracetamol Introduction Paracetamol‚ the most common medicine nowadays‚ has been used by people
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DESIGN OF THE QUESTION PAPER CHEMISTRY CLASS - XII Time : Three Hours Max. Marks : 70 The weightage of the distribution of marks over different dimensions of the question paper shall be as follows: A. Weightage to content/subject units Unit Title Marks 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. Solid state Solutions Electrochemistry Chemical Kinetics Surface Chemistry General principles and process of Isolation of elements p-Block Elements
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cyclobutadiene has 4 electron (2pairs) so it’s not aromatic • cyclooctatetraene has 16 e (8 pairs) it also isn’t planer (it has a tub shape) so it’s not aromatic • sp3 hybridized atoms doesn’t have P orbitals not aromatic aromatic not aromatic Not aromatic Not aromatic Cycloheptatriene cyclopentadiene • cyclopentadiene cation is not aromatic because it has only 2 pairs of electrons •
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Oppau Explosion 7. The Halifax explosion 8. The Texas City Disaster 9. June 3‚ 1989‚ natural gas explosion in the Ural Mountains 10. August 10‚ 2008‚ Sunrise Propane Industrial Gases explosion 11. The Piper Alpha explosion 12. 1924 Nixon Nitration Works explosion 13. Boston Molasses Disaster 14. the Donora Smog of 1948 15. The Phillips Disaster 16. The Bombay explosion 17. Cleveland East Ohio Gas Explosion 18. Enschede fireworks disaster 19. Flixborough disaster 20. Louisville sewer
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