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Essay Samples on Chemistry

Infra Red Spectroscopy in Chemistry
For example, Ehanol content is the single most important parameter in alcoholic beverage industries. ‘or many economic and regulatory reasons, cnvenient, acurate, ad fast quantitative determination of ethanol in mixtures is important. Wth the increased importance of quality assurance in industries, Nar-IR spectroscopy has become...
Pages: 13 (3250 words) , Essay , Red Cross , Red Convertible
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Hydrogen Energy
The world today is heavily dependent on regular supply of fossil fuels from a few nations - this endangers geopolitical and price stability. On the other hand, dependence on hydrogen and fuel cells involves easy and trouble-free access to a large variety of fossil fuels,...
Pages: 6 (1500 words) , Essay , Economics of Energy Markets , Wind Energy
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The Food Product is Philadelphia Snacks Breadsticks
The primary ingredient in this product is cheese, specifically soft cream cheese. Cheese is produced through the fermentation of milk using lactic-acid forming bacteria such as Lactobacilli or Streptococci. The bacteria added to the milk digest the milk which, in turn, produces lactic acid. The...
Pages: 3 (750 words) , Essay , Philadelphia , Cheese
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There are many chemical reactions in which aluminum can be used as a catalyst due to its reactive nature. Mreover aluminum has found its applications in various chemical industries. Auminum is classified as a metal which is very lightweight. Te ductility of aluminum lies midway...
Pages: 8 (2000 words) , Essay , Midway
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Therapeutic Polysaccharides
Flowers with wide spreading and crinkled petal structures, o a monoecious variety possessing both male and female structures within a single plant. The fruit produced may vary in shape, bt are broadly oblong or crookneck with a penduncle angle and wide apex. The oldest record...
Pages: 8 (2000 words) , Essay , Cherokee Indians
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The Drug Diazepam in Pharmacology
The phenytoin concentration should be monitored in case of toxicity and the phenytoin dose should be adjusted as necessary (Australian Medicine Handbook 2011). Ehanced sedation or respiratory and cardiovascular depression may occur if diazepam or other benzodiazepines are combined with drugs that have CNS-depressant properties...
Pages: 17 (4250 words) , Essay , Cellular Respiration
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Hydrogen as alternative energy
Hydrogen sources are methane and some bacteria and algae. Acording to an approximation, ech 9/10 atoms in this universe are hydrogen. Hydrogen was discovered by a British fellow, Hnry Cavendish in 1766, were he also proved hydrogen to be an integral part of water. Te...
Pages: 4 (1000 words) , Essay , Alternative Medicine , Alternative Fuels
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Chemical Properties between a Mixture and a Compound
Substances held together by ionic bonds are called ionic compounds. An ionic bond is formed when ions of opposite charges (positive and negative charges) attract, such as when an atom of sodium encounters an atom of chlorine. When these two atoms meet, one electron of...
Pages: 4 (1000 words) , Essay
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The chemical element of Fe2+
The actual weight of ceric (IV) ammonium nitrate undergoes division by the molecular weight of the final volume of the solution to come up with a Ce4+ concentration that is expected. Equation (1) and the table (1) numeric values are essential in a calculation of...
Pages: 4 (1000 words) , Essay
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Chemistry of Depression
What Does Serotonin Do? Te following figure shows the serotonin pathways through brain. Te primary function of serotonin is to transmit nerve impulses across nerve cells and neurons. I should be noted that neurons is responsible for raw data from different parts of body organs...
Pages: 4 (1000 words) , Essay , Postpartum Depression , Depression Era
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Devil Facial Tumor Disease
It was found that the chromosomes appeared different from those found in the normal cells of the animal and more similar to those found within the growth of the tumor in other Tasmanian devils. Belov along with her fellows compared Deoxyribonucleic acid samples from twenty-six...
Pages: 4 (1000 words) , Essay , Jaws , Infectious Disease
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Make solar energy economical
Due to use of silicon material the cost of electricity production is three times higher which makes the engineering pauses need for cost effective cells with low manufacturing costs (Simon, 2007). Te current standard cells provide thirty one percent efficiency due to use of...
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The Experiment of B-Galactosidase Enzyme Activities
The absorbance was then read at550 & 620nm as a measure of cell growth using culture medium as once blank. The average values were tabulated in the table. The samples were chilled for about 2-3minutes and centrifuged at 3,500 rpm for ten minutes. They poured...
Pages: 6 (1500 words) , Essay , Protein Synthesis , Milgram Experiment
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Phosphoric Acid Fuel Cell
This high heat can be turned into a useful source of energy for air conditioners and other thermal energy consuming systems (Onovwiona and Ugursal 389). This property makes the phosphoric acid fuel cell more useful and improves its efficiency to about 80%. The anode electrode...
Pages: 4 (1000 words) , Essay , Sickle Cell Anemia , Ethanol Fuel
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Fuel Cells
These are voltage loss indicators. Te various types of fuel cells mentioned earlier are discusses independently below. Te fuel cell is designed such that a proton-conducting polymer membrane separates the anode and the cathode. O the anode electrode, hdrogen diffuses to the anode catalyst, ad...
Pages: 4 (1000 words) , Essay , Ethanol Fuel
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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...
Pages: 5 (1250 words) , Essay , Ethanol Fuel , Columbian Exchange
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Energy Generation and conservation in Fuel Cell
In addition, te fact that they can be renewed by reuse of the products makes them quite environmental friendly. A a result, te energy of the ecosystem remains balanced as no waste exits from the cycle. Terefore, i has turned out as the most drastic...
Pages: 4 (1000 words) , Essay , Generation , Ethanol Fuel
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Chemistry and Society
 The crude oil first undergoes a fractional distillation process. One of the fractions called naphtha is the important element for the production of plastic. The two main processes that are used for the production of plastic are polycondensation and polymerization....
Pages: 8 (2000 words) , Essay , Chemistry
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Spectroscopy Calibration with use of Helium
Spectroscope produces and records spectra used for evaluation. Why calibrate a spectroscope? As an important tool in sciences, calibrating the spectroscope helps in eliminating the systematic error. It occurs through comparing experimentally obtained wavelengths established from the use of Bohr’s equation model....
Pages: 5 (1250 words) , Essay , The Color Purple
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