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    Benzene

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    Benzene Benzene, C(6)H(6), is a clear, colorless, flammable liquid that is insoluble in water.Its boiling point is 80 degrees C (176 degrees F). In the past benzene was obtained from the distillation of coal in the absence of air. Today most benzene is made syntheticallyfrom petroleum products. The benzene is a closed ring of six atoms connected by bonds that resonatebetween single and double bonds; each carbon is also bound to a single atom. Benzene isinsoluble in water but mixes in all proportions

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    Essay On Benzene

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    into the study of benzene in the body and unfortunately, early warning signs mimic less severe issues such as heat exhaustion or carbon monoxide exposure. It is imperative that workers who are susceptible to benzene exposure be aware of the warning signs and should be the duty of first line supervision to make this information available. Long term health effects of benzene exposure are real and present. The real danger from long term exposure of benzene is on the blood. Benzene causes damaging

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    Benzene is a chemical compound used in our everyday lives. Benzene is used to make chemicals and other household products. The chemical formula of Benzene is C6H6. Benzene’s atomic structure is a hexagon with a carbon atom and a hydrogen atom bonded to each shown in (Figure 1). When Benzene was first discovered it was called hydrocarbon. The chemical that we now call Benzene was discovered in 1825 by Michael Faraday. Michael Faraday discovered Benzene from an oily film that deposited from the gas

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    Facts about Benzene If one does not know much about Benzene, they should keep on reading. This paper will first introduce how benzene is produced, and what the chemical can be found in. Next, some effects that benzene can cause will be mentioned. Benzene is a liquid, has no color, a sweet odor, and in highly combustible. The liquid is basically dangerous. Natural processes form benzene; for example, forest fires and volcanoes. The chemical is widely used in the United States. The information

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    Intro: Organic chemistry is the scientific study of the structure of organic compounds. This includes the properties of the compounds and what occurs during chemical reactions. The structure of these compounds is found through analysing the results of Ultra violet spectroscopy. There have been many famous chemists over time who have made some ground breaking discoveries. None more so than R.B Woodward who almost single handily revolutionised the field of organic chemistry, winning a Nobel Prize in

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    Chemistry: Gas-Liquid Chromatography

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    characteristics of resin). Solvent extraction is commonly used with volatile substances that may be lost with distillation. Solvent used are pentane, hexane, and mixes of solvents such as ethyl acetate and hexane which is commonly used in place of benzene (see Figure 2). Gas-Liquid Chromatography Gas-Liquid Chromatography is the process of separating complex mixtures into the components and measuring the individual components. By using injectors, columns, and detectors researchers are able to enhance

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    Thermal Characteristics of Different Plastics

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    Thermal Characteristics of Different Plastics Thermal decomposition of different plastic through pyrolysis can be achieved at different temperature range. Through TGA analysis of various plastics, including PP, PS, LDPE and HDPE, carried by Lee and Shin [10], it was found that PS has the lowest degradation temperature compared to PP and PE thus will decompose more easily into liquid products. Degradation of PS occurs almost in the range of 350 to 460̊C, similarly to Jude et al. [23] where complete

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    produces an alkene.3 (Eq. 1) As shown in equation 2, the reaction between the phosphonium salt and the sodium hydroxide produces the ylide/carbanion that is stabilized due to the positive charge on phosphorus and the conjugation that occurs in the benzene ring as shown by the structure B in equation 2. The ylide produced also has a resonance form (B’). The resonance form is advantageous because it contains no formal charge and the double bond it contains results in the same position of the double bond

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    General: Quinoline [1] or 1-aza-napthalene or benzo[b]pyridine is nitrogen containing heterocyclic aromatic compound [1]. Quinoline is a weak tertiary base [1]. It can form salt with acids and displays reactions similar to those of pyridine and benzene [1]. It shows both electrophilic and nucleophilic substitution reactions [1]. It is nontoxic to humans on oral absorption and inhalation [1]. Runge was discovered quinolines first time in 1834 by the distilled coal tar and gave the substance the name

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    Dibutyl Phthalate Essay

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    nail polish or can be used as a fragrance in many other cosmetics. 2. Dibutyl phthalate is a phthalate ester which is a colourless oily liquid, and has a strong bitter taste, and a slight aromatic odor. The structure of dibutyl phthalate includes a benzene ring and two ester bonds attached to it. The reason dibutyl phthalate is used in nail polish because is allows dyes to be dissolved in it easily and since it is also commonly used in the manufacturing of plastics, it prevents nail polish from becoming

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