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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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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Angostura Aromatic Bitters’ marketing plan Table of Contents 1. Executive Summary 3 1.1 Synopsis of the Situation 3 1.2 Key aspects of the marketing plan 5 2. Environmental analysis 6 2.1 Strengths and weaknesses 8 2.2 Opportunities and threats 9 2.3 Current objectives and performance 11 2.4 Five forces’ Porter analysis 11 3. Marketing Strategy 13 3.1 Segmentation 13 3.2 Target Market 14 3.3 Positioning (Value Proposition) 15 4. Marketing Programs 16 4.1 Product 16 4.2 Pricing 17 4.3 Promotion
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wheel. Aromatics sources Plant sources Plants have long been used in perfumery as a source of essential oils and aroma compounds . These aromatics are usually secondary metabolites produced by plants as protection against herbivores‚ infections‚ as well as to attract pollinators. Plants are by far the largest source of fragrant compounds used in perfumery. The sources of these compounds may be derived from various parts of a plant. A plant can offer more than one source of aromatics‚ for instance
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these techniques as they burnt scented herbs and spices as part of their prayer rituals. The emergence of aromatic medicine is also closely linked to the belief in Egyptian gods and the underlying mystic healing powers they possessed and this association remains to this day as the use of aromatherapy oils is considered a spiritual based treatment. With a long and established history aromatic medicine
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