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Chemistry Essay Examples

Organic chemistry
Your report will show a logical and generally complete set of explanations when interpreting tests and spectra, where more than one spectra is correctly interpreted. DISTINCTION: (e.g. To achieve a Distinction your work will show…..) For a distinction your work will show that you can consistently draw...
Pages: 8 (2000 words) , Assignment , Chemistry
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Construction and Testing of Solid State Oxygen Sensor
Typically, on absorption of light at their absorption maxima, dye molecules exhibit long excited state lifetimes and emit radiation at longer wavelengths. The excited state of the luminescent dye can be quenched by an energy transfer mechanism upon collision with oxygen molecules. The intensity of...
Pages: 10 (2500 words) , Lab Report , Chemistry
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Organic chemistry: Polymers in dentistry and the tooth filling
The monomers are combined in an alternating structure, and once the elementary reaction takes place, the ability of the polymer to grow remains constant. The process is slower than the addition process, and the polymers formed are mostly of lower molecular weight (Shalaby & Salz,...
Pages: 8 (2000 words) , Research Paper , Chemistry
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Radioisotopes as tracers in physical, chemical and biological systems
Radioisotopes as Tracers in Physical, Chemical and Biological Systems Section A: Overview of Nuclear Chemistry Introduction This is a branch of Chemistry that deals with changes that occur in the nucleus of an atom (Bishop, 2012). Protons and neutrons are called Nucleons, and their total number...
Pages: 5 (1250 words) , Assignment , Chemistry
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How Molecule's Structure affect the pKa
Buffer 50 ml NH4OH , 50 ml NH4Cl PH=9.52. To prepare the solution, the stock 2-naphthol was diluted with hydrochloric acid and sodium hydroxide buffer whereby the HCl provided resulted protonated molecule (ArOH) while the sedum hydroxide buffer resulted in the deprotonated molecule...
Pages: 5 (1250 words) , Lab Report , Chemistry
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Lab report
Thus, the biuret protein assay test is a concrete test that can be used in the determination of the peptide bonds and the amount of proteins in a solution (Lipscomb et al. 2006). Biuret protein assay test results For the Folin protein assay test, the...
Pages: 4 (1000 words) , Lab Report , Health Sciences & Medicine
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I will upload the artical
MM/GBSA and MM/PBSA methodologies: Application to Ranking Drug Binding Affinity Intisar Alshammri MM/GBSA and MM/PBSA methodologies: Application to Ranking Drug Binding Affinity 1. Introduction Rapid and accurate ranking of drug binding affinity is one of the most valuable requirements during drug design. MM-GBSA and MM-PBSA are complementary...
Pages: 10 (2500 words) , Essay , Physics
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Ely Copper Mine
There is a contrast in the equilibrium-partitioning sediment benchmarks. They indicate no toxic effects expected in the sediments at the reference sites but uncertain toxic effects throughout the Ely Brook and the schoolhouse Brook except in the reference sites and EB-600M site. The results from...
Pages: 10 (2500 words) , Essay , Environmental Studies
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Persuasive Speech
Having analyzed these facts it is possible to conclude that all the farming before the 20th century was organic by default. Farmers did not have possibility to use chemicals as they were not invented yet. However, when scientists invented chemicals that could save crops most...
Pages: 4 (1000 words) , Essay , Journalism & Communication
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Food Science - Assignment
In addition, the coffee beans comprise of complex B, vitamin PP and B3 (the niacin), and chlorogenic acid in magnitudes that can differ from 7 to 12%, this is three to five times in excess of the caffeine. Among all these substances that are present...
Pages: 4 (1000 words) , Essay , Medical science
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Climate Change - Maldives
In addition, global warming will result in warmer or milder winters in some parts of North America and northern Europe. This means that the country will no longer receive tourists from these regions since there will be no need for the residents to escape harsh...
Pages: 4 (1000 words) , Essay , Social science
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CAPSTONE PROJECT
David Henry Hwang an ABC playwritter visualises this theory in his play “Yellow Faces” where he uses two characters “Mo” who represents the Chinese International students in this case study and “Lone” who represents the ABCs. He explains how “Mo” arrives to the US with...
Pages: 4 (1000 words) , Article , English
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Liquid mirror telescopes
Liquid parabola is smooth and least of imperfections. The purpose of the primary mirror it focuses light parallel lines into one. For metal to qualify to be a candidate of a liquid mirror telescope, it has a low melting point and should remain molten at the...
Pages: 4 (1000 words) , Essay , Physics
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Colgate-Palmolive CSR
The company’s enormous R&D program is formulated to provide effective, safe and superior products (Colgate, 2015). Product safety and quality The products ingredients are thoroughly evaluated using the latest technologies to promote safety and quality. The ingredients are assessed individually by Colgate scientists in order...
Pages: 4 (1000 words) , Essay , Business
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Spoon River Essays
When Rhodes accuses him and coaxes him to confess, he begs Rhodes and the editor to keep the story out of the papers. However, his plan fails when all the papers run the story as a thief because Rhodes is making a personal impression as...
Pages: 5 (1250 words) , Essay , English
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Gibberellic Acid In Fruits
Synthesis of Gibberellins The synthesis of gibberellins via the terpenoid pathway requires three enzymes namely terpene synthase, cytochrome P450 monooxygenase, and 2-oxoglutarate dependent dehydrogenase for the biosynthesis of bioactive GA from GGDP in plants (see Fig. 1). Two terpene synthase, ent-copalyl diphosphate synthase, and ent-kaurene synthase,...
Pages: 6 (1500 words) , Essay , Biology
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Blood Stain Patterns
When an exposed blood source experiences a strong, forceful impact, the surface tension is weakened resulting in the blood being broken up into several minute droplets.The velocity of the force refers to the effect created by the object in regards to the consistency of the...
Pages: 4 (1000 words) , Research Paper
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Why are women students underrepresented in STEM subjects (Science,Technology, Engineering & Mathematics) at Universities in the UK
(Tinker, I., Bramsen, M., 1976, 1). The rates of the British engineers and apprentices of female sex, 8 and 4 per cent correspondently, proves the opposite and makes search for other explanations. (CaSE, 2014, 4). The possible one is that about 40 per cent of...
Pages: 4 (1000 words) , Essay , Psychology
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The Solvay process for sodium carbonate
The thermal decomposition involves the use of heat energy to break the compound(sodium bicarbonate into simpler compounds namely sodium carbonate, water and carbon dioxide. As a result, the reaction is endothermic and the enthalpy changes can be calculated using the underlying equation of: ΔG =...
Pages: 7 (1750 words) , Research Paper , Chemistry
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Physics Homework
In the case, the article records that the frequency determines the color while the wavelength is key to its function. This light is emitted by incandescent bulb and it is likely to replace other light energies used in fiber optics. Several questions arise from this presentation...
Pages: 6 (1500 words) , Coursework , Physics
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Crime is the product of individual decision-making and can therefore be understood in terms of rational choice and self control. To what extent do you agree with this statement
The merchants of the tobacco who break the law by selling the tobacco products to minors usually perceive a low risk of being caught and high economic benefits associated with the crime (Marsh 2007). The theory is based on utilitarian philosophies of Cesare Beccaria that...
Pages: 6 (1500 words) , Essay , Law
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Atmospheric Circulation on Venus
The circulation in the troposphere of Venus is in accordance with the so called cyclostrophic approximation. The speeds of winds are approximately established by the balance of centrifugal forces and pressure gradient in almost purely zonal flow. Wind-speeds in Venus can directly be measured only...
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ENG 265 - Assignment #3
Character Identification Editha Editha - Editha embraces the jingoistic claims of being a nationalist at the time of war. Editha views war as being a romantic pursuit. She seems war as a pursuit without complexity. According to Editha, a nation’s commitment to war presents no room for...
Pages: 7 (1750 words) , Essay , English
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Fonterra Tirau
One of these features is related to the issue of the pollution of the nearby waterways with wastes from the processing plants that eventually drain into the waterways. For example, in September 2010, Fonterra was successfully prosecuted and fined a total of $24,000 for having...
Pages: 9 (2250 words) , Assignment , Environmental Studies
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Business Intelligence Analysis
Technology has enhanced modern day car sales business at the cost of expanding the information required for selling. This has necessitated the creation of databases to store the information. The creation of knowledge and management (data mining) has become a critical element in the car...
Pages: 8 (2000 words) , Assignment , Information Technology
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Design and describe a study in which you will test the use of a new drug or gene therapy to treat atherosclerosis OR restenosis in relevant animal model
These studies have resulted in the development of cholesterol-lowering drugs, especially of the statin class, as the most feasible and highly potent hypercholesterolemia treatment strategies. The success rate of the statin class of drugs in reducing deaths due to cardiovascular complications by lowering cholesterol levels...
Pages: 12 (3000 words) , Essay , Health Sciences & Medicine
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Available Risk Identification Methods and Evaluation of Waterfall and Agile Methodologies
The foremost limitation of brainstorming involves the derailing in the process of decision making due to the diverse perspectives of a risk (CHOUDHURY, 1988). The members of the brainstorming team are attributed to different backgrounds and skills. This will need harmonization of the ideas before...
Pages: 10 (2500 words) , Assignment , Management
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Critical review of theories regrading the link between music and learning
It is important to listen to music multiply to enable the listener to perceive it well. A listener’s perception would change after listening to a similar piece of music a second and a third time. Music learning is developmental. Musical learning and understanding is a...
Pages: 12 (3000 words) , Literature review , Psychology
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Global management strategy
An investor later bought the three companies from overseas (Prudil 2003). The late 1980s signified the peak point in Czech Republic although SPOFA had been in existence since 1946 owing to German manufacturers having been nationalized at that time. During the peak point, thirteen companies...
Pages: 10 (2500 words) , Essay , Marketing
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The Ringling Museum in Sarasota, Florida
Therefore, John Ringling had opened the art museum art with the intentions of promoting education and appreciating art, especially for the young people (Asoka and Michelle 18). Five years after opening the museum, John offered the museums to Florida State. Some of the collections from...
Pages: 9 (2250 words) , Essay , History
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Examining the Sustainable Procurement Practices in the Public Sector - A Case of ARAMCO (Saudi Arabia)
Branker, K., Pathak, J, M., & Pearce, J. 2011 “Review of solar photovoltaic liveliest cost of electricity,” Renewable & Sustainable Energy Reviews 15(1): 4470-4482. In their review, Branker et al (2011) analyze the state of energy consumption in the USA in relation to electivity and some of the...
Pages: 12 (3000 words) , Annotated Bibliography , Management
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Psychological effects of
The last group of psychological effects at workplaces is those that bring behavioral changes. The exposure of strenuous working conditions of employees at workplaces usually affects the behavior of the workers. Majority of these workers usually indulge themselves into bad behaviors that they previously did...
Pages: 26 (6500 words) , Essay , Psychology
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Optimizing the condition of the PCR detecting of PTEN gene in DNA derived from human cell lines, associated with ageing and senescence
Some of the PTEN gene mutations which cause the PTEN hematomas tumor syndrome result in a defective PTEN protein version inhibiting it from performing its role as a tumor suppressor or even synthesizing protein. A lack of PTEN protein that is functional results in uncontrolled...
Pages: 15 (3750 words) , Research Paper , Health Sciences & Medicine
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USING CRUMB RUBBER AS LIGHTWEIGHT AGGREGATE IN STRUCTURAL CONCRETE
Waste tires can be processed and used as additives in the Portland cement concrete mixes to be used for non structural applications. This would help in minimizing the impact of the disposal of scrap tires to the environment. Figure 1: powder of crumb rubber Past...
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Approaching Interpretation Of Legislation For Judges
Second, the Human Rights Act 1998 is considered another specific aid to interpretation as it allows that where possible, canon of statutory interpretation is done to comply with the European Convention of Human Rights (ECHR) (Peel 2007, p. 34). Meanwhile, the Human Rights Act 1998...
Pages: 6 (1500 words) , Essay , Law
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Plant Research Project
(WebMD, 2015). The positive treatment effect provided by the plant covers most of the organs and systems of the human organism: digestive system (treatment of constipation, diarrhea, colic, intestinal gases, pains in stomach); liver diseases (liver enlargement, medication-caused damage of the liver, and jaundice); immunity...
Pages: 8 (2000 words) , Research Paper , English
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Graphic Design in the Public Realm: How is it being used / translated onto buildings in London
For instance, it has been established by the New Economic Foundation that Britain entirely uses images in the high streets that feature branded fascia. This makes Graphic Design a very important element in the Design research society3. Through a vivid description of Urban Design, if...
Pages: 8 (2000 words) , Essay , Design & Technology
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