163 CHAPTER 13 HYDROCARBON Hydrocarbons are composed of Carbon and hydrogen. The important fuels like Petrol‚ kerosene‚ coal gas‚ CNG‚ LPG etc. are all hydrocarbons or their mixture. Sources: Petroleum and natural gas are the major sources of aliphatic hydrocarbon while coal is an important source of aromatic hydrocarbons. The oil trapped inside the rocks is known as petroleum. PETRA – ROCK‚ OLEUM – OIL. The oil in the petroleum field is covered with a gaseous mixture known as natural
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Isolation and Analysis of Essential Oils using Gas Chromatography Lyndon Justin T. Guzman Institute of Chemistry‚ University of the Philippines‚ Diliman‚ Quezon City Date Performed: February 2; February 4‚ 2011 Date Submitted: February 18‚ 2011 Abstract The purpose of this experiment is to isolate the essential oil from eucalyptus leaves as a pure compound; moreover‚ the components of the essential oil‚ camphor and limonene‚ will be then separated using gas chromatography technique‚ identify the
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Chemistry : Important Questions For CBSE Class XII ( Haloalkanes and Haloarenes) (Q.1) Choose the incorrect statement about the benzyl chloride: ( 1 mark ) (a) It is less reactive than alkyl halides. (b) It can be oxidized to benzaldehyde by boiling with copper nitrate solution. (c) It is a lachrymatory liquid and answers beilstein’s test. (d) It gives a white precipitate with alcoholic silver nitrate (Q.2) Dry ether The reaction RX + 2Na + RX _______________? R-R + 2NaXis called. ( 1 mark
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Have you ever wanted to make a circuit board at home? Now you can‚ for use in all types of homemade electronic components. [[Category:Maintenance and Repair]] [[Image:Populated 4096.jpg|thumb]] == Steps == === Design === #Have a procedure in mind before attempting the task. Remember‚ a good design comes first. #Draw the circuit schematic on either graph paper or a simulation programs such as [http://www.ni.com/multisim MultiSim] or [http://www.cadsoft.de Eagle CAD]. The schematic should
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Maalin Doshi 10/06/14 Danielle Vellucci Section 202 Experiment Title Introduction (Present tense – third person – active voice) *Maximum 1½ double-spaced pages The first sentence of your Introduction should include a concise statement of the goal of the experiment and the methods used. Background information: As relevant‚ incorporate key terms and concepts in an explanation of how a technique works on the molecular level‚ examples of relevant techniques outside of this class‚ comparison and contrast
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Experiment 2: Intermolecular Forces Performed: 9/12/2011 Submitted: 9/20/2011 Chemistry 1046L PART I: Purpose: The purpose of partI in this experiment is to identify a variety of unknown substances’ properties using observations of the temperature changes that occur during evaporation. We know that substances with weaker intermolecular forces‚ such as London dispersion‚ will have a faster vaporization rate and thus a higher temperature difference compared to
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Korleyfah Mouth Chem 331 Thursday 2:00pm Dr. Lijuan Li 20A Preparation of CuCl2~2DMSO 20B Preparation of RuCl2~4DMSO Abstract In order to synthesize our metal complexes‚ we were able to make both Copper and Ruthenium metals. From this‚ we combined each metal complex with DMSO by refluxing the compound. The metal complexes were analyzed through their melting point and IR spectroscopy to determine whether the metal bonded to a Sulfur atom or an Oxygen atom of the DMSO. After analyzing the IR spectrum
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zinc is exposed‚ but not so deep that the penny’s mass is greatly affected. Your markings should be placed near the bolded dashes like so 4. Clean the top and bottom surface of the penny with steel wool until it’s shiny. Rinse the penny in acetone and dry it on paper towel. 5. Determine the mass of the penny on the balance‚ and record the mass in the table on the bottom of the page. Removed the penny from the balance using tweezers and place it in its beaker. 6. While wearing gloves‚ carefully
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BACKGROUND OF THE STUDY Pest insects are based on the potential damage on human purpose. They cause damage to the agricultural crops‚ consume and or damage harvested food‚ cause illness or unproductively to agricultural animals‚ and vector human disease. For centuries man had made innovative ways in combining pest insects‚ which leads to the invention of insecticides. Though insecticides contributed big in the elimination of pest insects‚ it also contributed ecological alteration due to its toxic
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39. The Viscosity of Liquids After studying the present lecture‚ you will be able to Define viscosity and viscosity coefficient Outline the method to measure viscosity using Ostwald viscometer Determine the average molecular weight of a polymer Determine the surface concentration of 1-butanol in aqueous solution Measure the distribution coefficient of a solute betweenn two solvents 39.1 Introduction Viscosity‚ one of the transport properties‚ arises because of intermolecular attractive and
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