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Chemistry Essay

Fossil fuel have no future, we need to develop renewable energy. Discus
The most important significance of fossil fuels is their reduced cost of production and accuracy of the expected output from the process of mining. Besides this, they are portable and easily to process the purification tasks for deriving different categories of products.Since the uses of fossil fuels and their converted forms of energy are widely popular, the study of their advantages and disadvantages becomes increasingly prominent in the context where they cannot be renewed by human
Pages: 6 (1500 words), Essay
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Fireworks combine art and science. Discuss the chemistry behind firework colors, including the mechanisms of color production
Successive colors produced by this light include infrared, red, orange, yellow and finally white though under effective regulation one can attain his or her distinct color (Helmenstine, n. In addition, one can utilize selected metal elements to increase the brightness of a firework, for instance AL, Ti and Mg commonly known to burn brightly at high temperatures (Helmenstine, n. Conversely, Luminescence refers to a light produced by external sources mostly transferred using photons. Photon of a
Pages: 4 (1000 words), Essay
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From cocoa bean to chocolate bar
During the process of fermentation the beans are supposed to be mixed slowly to introduce oxygen into the heap. The oxygen helps in turning alcohol into acetic and lactic acid (Belitz, Grosch & Schieberle, 2009). The liquid form of the pulp is usually drained from the heap, leaving the organic compounds of the beans to develop a new color and flavor that people usually associate with chocolate. After the fermentation process is over the temperature inside the heap is usually increased with the
Pages: 6 (1500 words), Essay
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Fine chemical production
The current selected synthetic route for the production of citral involves the use of isobutene and formaldehyde as the primary feeding stocks with nitric acid as the preferred choice of catalysts. Using this method, citral can effectively be produced by from the reaction between isobutene and formaldehyde molecules under high temperatures and pressure and using a catalyst. The resultant chemical is then subjected to numerous special distillation processes before delivery. For example, the
Pages: 10 (2500 words), Essay
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Fine Chemical Production
The ‘Big Four’— the People’s Construction Bank of China, the Agricultural Bank of China, the Bank of China, and the recently established Industrial and Commercial Bank of China (Hess 25).Institution building began in the initial reform period with the formation of a two-level banking structure. In 1995, central banking experienced a new push when a new policy on the PBoC was implemented that provided the central bank the legal structure to function under the headship of the State
Pages: 10 (2500 words), Essay
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Fine Chemical Production
This is an endothermic reaction of that normally results into 4-aminophenol formation through phenyl-hydroxylamine. This paper presents a fine chemical production of p-Amino phenol using the route of catalytic hydrogenation of nitrobenzene with particular the chemistry of the fine chemical, its synthetic route selection, thermodynamics as well as kinetics and wastes issues.The fine chemical production route of catalytic hydrogenation of nitrobenzene is particularly preferred due to its relative
Pages: 10 (2500 words), Essay
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Fuel Cells
These are voltage loss indicators. The various types of fuel cells mentioned earlier are discusses independently below.The fuel cell is designed such that a proton-conducting polymer membrane separates the anode and the cathode. On the anode electrode, hydrogen diffuses to the anode catalyst, and it later dissociates into protons and electrons. The protons will react with oxygen molecules at the cathode side, infusing via the polymer electrolyte membrane as well as the electrons coming through
Pages: 4 (1000 words), Essay
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Fuel Cells and Proton Exchange Membrane
This brings the overall efficiency of the fuel cell vehicle to 64%. This value, however, goes down when the fuel source is not pure hydrogen. The U.S. Department of Energy thus decided to concentrate on pure hydrogen fuel cell vehicles. Fuel cell vehicles, therefore, are expected to supersede their rival technologies in terms of fuel efficiency.
Pages: 5 (1250 words), Essay
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