Title : Properties of hydrocarbon Objective : 1) To study the properties of hydrocarbons. 2) To determine the unknown samples. Results : Part A : Combustion Compounds Observations Hexane There was orange flame and burned mildly during the burning process. No soots and smoke were produced. C6H14 + 19/2 O2 6CO2 + 7H2O Cyclohexene Orange flame burned vigorously. A small amount of black soot and smoke were produced during the burning process.
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2-(2‚4-Dinitrobenzyl) pyridine Peter Defnet and Cody Krepps Department of Chemstry Juniata College Huntingdon‚ PA September 18‚ 2012 Abstract: Nitration of 2-benzylpyridine is supposed to yield 2-(2‚4-Dinitrobenzyl) pyridine‚ when electrophilic aromatic substitution is the mechanism. Experiencing many pitfalls‚ however‚ has lead to the actual product obtained to contain the expected product‚ as well as many impurities. This report examines the supposed mechanism for the electrophilic substitution
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used as fuel in combustion engines. It is made of over 250 types of hydrocarbons. Aromatic hydrocarbons like toluene and benzene are used to increase the octane rating of gasoline. Other additives are also added to improve engine performance and reduce the emission of harmful gasses formed as byproducts of the combustion process. Some hydrocarbons found in gasoline like benzene are carcinogenic. These hydrocarbons escape into the air around us while we are refilling petrol at a gas station. They
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pure is by recrystallization. This experiment includes the determination of a good solvent for recrystallization for compounds such as: acetanilide‚ acetamide‚ aspirin‚ benzoic acid‚ naphthalene‚ and sucrose‚ for solvents such as: water‚ ethanol‚ benzene‚ and ethyl acetate. Also pure acetanilide is achieved. here are five major steps in the recrystallization process: dissolving the solute in the solvent‚ performing a gravity filtration‚ if necessary‚ obtaining crystals of the solute‚ collecting the
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Alkane‚ Alkene‚ Alkyne & Aromatic Learning Objectives 1. 2. 3. Determine the IUPAC name‚ common name and structure of an alkanes‚ alkenes and cycloalkanes. Identify the physical properties of alkanes. Describe briefly natural sources and importance of alkanes Describe reactions of alkanes Propose a mechanism on free radicals substitution 4. 5. 6. Describe the preparation and reactions of alkenes. 7. Propose mechanism on preparation; dehydration of alcohol 8. Define carbocation
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observed to have a plastic like odor. Miscibility test shows that all of the organic compounds are immiscible and all are flammable. Tests for active unsaturation indicate that hexane‚ heptane‚ cyclohexane‚ benzene and toluene are saturated while cyclohexene is actively unsaturated. Hexane‚ heptane‚ benzene‚ and toluene are classified as aliphatic while cyclohexane‚ and cyclohexene are aromatic. All are not oxidized except for cyclohexene. I. Introduction Hydrocarbons are
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Evaristo Department of Occupational Therapy‚ College of Rehabilitation Sciences University of Santo Tomas‚ Espaňa Street‚ Manila 1008 Date Submitted: February 2‚ 2011 Abstract: Organic compounds hexane‚ heptane‚ cyclohexane‚ cyclohexene‚ benzene‚ and toluene were subjected to different physical and chemical tests todifferentiate their intrinsic physical properties and chemical properties in terms ofstructure and behaviour. Nitration test (test for the presence of aromatic ring)‚ Bromine
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DETERMINATION OF THE HEAT OF SOLUTION BY THE VANT HOFF ISOCHORE METHOD Jan Vincent Arafiles‚ Merry Joy Arzaga‚ Anne Louise Ayson‚ Lovely Jenny Buenaflor Group 2 3A-Biochemistry chem401 laboratory ABSTRACT Thermodynamic values can be determined using the Vant Hoff isochore method. This method entails the use of equilibrium systems to determine the change in enthalpy of the solution‚ which can b related to the change in internal energy of the solution. The van ’t Hoff isochore relates
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Introduction: Stillnox has many different names‚ Zolpidem‚ Ambiem and Lorex to name a few. Zolpidem is a prescription drug used for treating insomnia‚ it works quickly (within 15 minutes) and the effects last for around 3 hours (PubChem‚ 2016). As Stillnox is extremely effective in helping insomnia sufferers fall asleep a Stillnox dependence occurs and can often lead to addiction. In extreme circumstances death from overdose of Stillnox has and can occur. This can affect society in a number of different
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simplest polycyclic aromatic hydrocarbon‚ and is a white crystalline solid with a characteristic odor that is detectable at concentrations as low as 0.08 ppm by mass. As an aromatic hydrocarbon‚ naphthalene’s structure consists of a fused pair of benzene rings. It is best known as the main ingredient of traditional mothballs. Explanation: It’s formed by 10 moles of C + 4 moles of H2 or simply C10H8 + 12 moles of O2. Combustion: Organic compound + O2 H2O + CO2 With the
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