CHEM/ENCH 212 EXPERIMENT II: KINETICS OF NUCLEOPHILIC SUBSTITUTION DATE OF SUBMISSION: Table of Contents Experimental Table : Hazardous properties of chemicals used in the experiment.[1] Acetone Irritant. Do not inhale vapors. Highly flammable. 2 chloro‚ 2 methyl propane Flammable. Equipment 1. Conductivity probe 2. Constant temperature water circulation bath 3. Stir-plate with stirring magnets
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MANAGEMENT – 1 CHAPTER -1 INTRODUCTION TO MANAGEMENT AND ORGANIZATIONS 1 | What is management ? | (June-2011) | 2 | What is classical approach to management ? Describe the contribution of F.W.Taylor in the development of scientific management. | (Nov/Dec-2011) | 3 | Define management. | (Dec-2010) | 4 | Explain “ Management is a Science as well as an Art ”. | (Dec-2010) | 5 | “ Management is not people; it is an activity like walking‚ reading‚ swimming or running. People who
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Conclusion The purpose of this experiment was to discover the chemical properties that copper has when reacting with other chemicals and how it changes physically during these processes. (Department of Chemistry‚ 2013) This was achieved through many types of reactions‚ such as a redox reaction‚ double displacement‚ decomposition reaction and single displacement depending on the chemical properties in relation to copper of the other substances when it was added with copper. Copper was either in an
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Synthesizing Polymers “Making Silly Putty” In college‚ there are many things students take for granted. One thing we all take for granted the most is keeping a fresh perspective on the curriculum we are taking. This is an especially hard task when it comes to the more challenging subjects like science and mathematics. Chemistry‚ in particular is one of the most challenging subjects for any student‚ and many factors contribute to the students’ understanding of the course. Things like the right professor
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Lab for Chemistry 221 Lab: How much sugar is in a Can of Coke? Abstract: A 50mL (we used 100mL) volumetric flask was used to determine the amount of sugar in a can of Coke per mL in 5 different solutions. Using the calibration curve we determine the amount of sugar per mL in a can of coke. This experiment concluded that there is 43.83g of sugar in a 12oz can of Coke. Introduction: This experiment was conducted to determine the amount of sugar in a can of Coke and to and use a calibration
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8. Terfenedine is an amino diol that is the active ingredient in the antihistamine Seldane. Mass spectral analysis of terfenedine shows a molecular ion at m/z = 471 and a peak at m/z = 472 which is 35.5% the height of the molecular ion. Terfenedine is known to contain C‚ H‚ O and N. (a) Suggest five molecular formulas for terfenedine. (b) Terfenedine has an even number of carbons and contains nine double bonds and four rings. Based on this additional information‚ what is the formula for terfenedine
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1_____2_____3_____4_____5_____6_____7_____8_____9_____TOTAL________ CHEM 237‚ FALL 2007 HOUR EXAM 1 Name________________________________________________________ TA Name _______________________ __& Section # _________________ Student #______________________________________________________ 1. (9 pts) Write a valid Lewis structure for each of the following. Show lone pairs and formal charges where necessary. Draw covalent bonds as lines. (a) bisulfate ion‚ HSO4- O HO S O (b) hydrogen cyanide
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POLYMER COCNCRETE 1. Introduction Despite being thought of as a modern material‚ concrete has been in use for hundreds of years. The word concrete comes from the Latin concretus‚ which means “mixed together” or compounded. Concrete is an extremely popular structural material due to its low cost and easy fabrication. Concrete is made up of sand or stone‚ known as aggregate‚ combined with cement paste to bind it. Aggregate can be of various sizes. It is broadly categorized as fine (commonly
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1.1 DEFINING POLYMERS Polymers are materials of very high molecular weight that are found to have multifarious applications in our modern society. They usually consist of several structural units bound together by covalent bonds [1‚2]. For example‚ polyethylene is a long-chain polymer and is represented by ÀCH2 CH2 CH2 À or ½ÀCH2 CH2 Àn ð1:1:1Þ where the structural (or repeat) unit is ÀCH2ÀCH2À and n represents the chain length of the polymer. Polymers are obtained through
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Lab 2: The Chemistry of Life Name _____Aniqa Qureshi_ Insert the chemical symbol in the answer blank for each of the following elements. ___O______ 1. oxygen ___C______ 2. carbon ___K______ 3. potassium ___I______ 4. iodine ___H______ 5. hydrogen ___N______ 6. nitrogen ____Ca_____ 7. calcium ____Na_____ 8. sodium ____P_____ 9. phosphorus ____Mg_____ 10. magnesium ____Cl_____ 11. chloride ____Fe_____ 12. iron In the space below‚ list the chemicals (above) from the MOST
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