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Chemistry Essay Examples

Organic Chemistry
This reduction will yield an E-alkene. Using Lindlars catalyst, Z-alkene can be produce. An imine reacts with dienes in the Aza Diels-Alder reaction to produce tetrahydropyridine. In Hoesch reaction , a type of Friedel-Crafts Acylation reaction, imine is reacted with a nitrile, hydrochloric acid and an arene to form an aryl ketone. In direct addition ... Tags: Chemistry
Pages: 5 (1250 words), Assignment
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Chemistry of Depression
What Does Serotonin Do? The following figure shows the serotonin pathways through brain.The primary function of serotonin is to transmit nerve impulses across nerve cells and neurons. It should be noted that neurons is responsible for raw data from different parts of body organs to the brain. Again, after processing the information brain gives instructions ... Tags: Chemistry, Depression, Illustration Examples, Psychological Disorders, Schizophrenia
Pages: 4 (1000 words), Essay
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Supramolecular chemistry
The tiny size of the hydrogen atom creates a high affinity for the other electrons thus the combinations tend to aligned in certain direction.Coordinate bonding is another form of chemical interaction that involves the bonding between ionic form of metals and atoms that are concentrated with electrons. The force involved in this process is relatively ... Tags: Chemistry, A View From the Bridge
Pages: 4 (1000 words), Thesis
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Introduction to Organic Chemistry
Organic chemistry is a specific branch of chemistry, basing off of the study of the element carbon, and its relations to life and the world around it. Sometimes called “life” chemistry because of living things presence of carbon, organic chemistry includes reactions, formulas, and processes, are all based on carbon chains and its unique ... Tags: Chemistry
Pages: 4 (1000 words), Essay
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Personal Statement (Chemistry Major)
I was always amazed how the human mind was able to construct the synthesis of such complicated compounds. I use my knowledge of drugs in my current job as a caregiver, where one of my tasks is handling medication intake of my patient.I apply chemistry to not only to my job, but also to life in general. Chemistry is hence a pillar in my life and career. ... Tags: Chemistry, Personal Statement, Skin Cancer
Pages: 4 (1000 words), Essay
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Physical Chemistry
The law of multiple proportions that posits that when 2 chemical elements combine to produce more than one likely compound then the proportion of the second element’s mass that joined with a specific mass of the first element will be represented as proportions of whole numbers (Niaz, 2001). The results of this laid the foundation for Dalton’s Atomic ... Tags: Chemistry, Cat on a Hot Tin Roof, Philosophy of Science
Pages: 4 (1000 words), Essay
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Organic Synthesis Sterine, (S)-Phenyl-1-Propanol and 1, 4-Dyhydrobenzoic Acid
1, 4-dihydrobenzoic acid is formed through reduction of benzoic acid in sodium dissolved in ammonia by a process called birch reaction. Generally, when benzene having an electron donating substituent are reduced, 1,4-dihydro compounds are formed (Carruthers and Coldham 2004).Styrene or vinyl benzene is colourleess viscous liquid that is highly volatile. ... Tags: Chemistry, Synthesis
Pages: 4 (1000 words), Assignment
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Describe your interest in chemistry
I also love organic chemistry because it explains most biological processes that sustain human life.Organic chemistry in practical sense gives me a fulfillment as I feel that the cognitive benefits are far much important that it’s practical value. I like organic chemistry because it helps me tap into nature and gives me a network of ideas on the environment ... Tags: Chemistry, Bunker Hill
Pages: 4 (1000 words), Assignment
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Write a poem about chemistry or write about the philosophy of chemistry
This impact arose from his assertion that chemistry is not a suitable science. Brakel demonstrates how this statement had an uneven effect on how philosophers. As a result, researchers during Kant’s era were inclined to see the comparative status of the association of physics to chemistry. Kant’s early statements contributed to the negligence of chemistry ... Tags: Chemistry, Hunger, Philosophy of Science, Physics, Sciences, World Hunger
Pages: 7 (1750 words), Essay
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Physical Chemistry Lab Report
To counteract this precipitation performed slowly in an acidic environment. The acid solution mixture is not affected by anions of weak acids that might also form precipitates with the silver ions. Precaution must be taken to avoid a large excess of silver ions since it can lead to unwanted precipitates. Interfering ions might precipitate with excess ... Tags: Chemistry, Crucible, Crucible Abigail Williams, Crucible Mccarthyism, Lab Report
Pages: 7 (1750 words), Lab Report
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The Nobel Prize in Chemistry 1947
While at Oxford, he explored sex hormones and steroids. During World War II, he studied the properties of penicillin antibiotic, elucidated its structure, and also researched antimalarial drugs. His explorations also extended to explosives and petroleum. He was the president of the Royal Society and Commandeur de la Légion d’Honneur (“Sir Robert Robinson”, ... Tags: Chemistry, Infertility, Penicillin, Steroids, Synthesis
Pages: 4 (1000 words), Essay
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Physical Chemistry Lab Report
When in contact the fluorophore returns to the ground state, without emitting photons. For a static and dynamic quenching to occur the fluorophore and the quencher must be in contact. Requirement of molecular contact for quenching may result in the numerous applications of quenching.The mechanisms of quenching include: foster resonance energy transfer, ... Tags: Chemistry, Lab Report
Pages: 7 (1750 words), Lab Report
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Physical Chemistry Lab Report
Finally, the experiment employed Anodic Stripping Voltammetry in determination of copper. Anodic Stripping Voltammetry relies on the electric conductivity of analytes, and is specifically suited for quantitative analysis of minute traces of heavy metalsii. Subsequent sections of this lab report contain procedural steps, results and discussions pertaining ... Tags: Chemistry, Crucible, Crucible Abigail Williams, Crucible Mccarthyism, Lab Report
Pages: 7 (1750 words), Lab Report
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The chemistry of food
In addition, it can be used in the calculation of other constituents e. Total solids are the weight (dry weight) that remains after moisture analysis (Nielsen 2010, Pg 25). Lipids are compounds that are sparingly soluble in water but have variable solubility in organic solvents such as ethyl ether, petroleum ether, acetone, ethanol, methanol, and benzene ... Tags: Chemistry, Arthur Miller Crucible, Cat on a Hot Tin Roof, Crucible, Crucible Abigail Williams
Pages: 6 (1500 words), Coursework
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Chemical KInetics Chemistry
Doing so would mean the same amount of gas is found in a much smaller volume, resulting in a higher concentration. Because of the increased concentration, there are more molecules of the gas that collide, thus the higher the pressure the higher the chances of the successful molecular collisions occurring. The successful collisions lead to bonds being ... Tags: Chemistry
Pages: 6 (1500 words), Assignment
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Chemical KInetics Chemistry
Raising or lowering the pressure of a reaction system involving liquids or solids leads to no change in the rate of the reaction.For a specific amount of gas, to raise the pressure of the gas one would have to compress the gas so that it would be contained in a lesser volume. Doing so would mean the same amount of gas is found in a much smaller volume, ... Tags: Chemistry
Pages: 6 (1500 words), Assignment
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Does a pharmacist need to know medicinal chemistry
There are individuals specialised in different fields, which results in more organisational and individual productivity and innovativeness. How would it be necessary for a pharmacist to seek pharmaceutical chemistry knowledge when there are qualified researchers in that field with pharmacists being expected to be experts in their own field? Since the ... Tags: Chemistry, Pharmacy Topics
Pages: 4 (1000 words), Essay
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PHYSICAL CHEMISTRY COURSEWORK
Ozone is generated by the energetic action of solar ultraviolet radiation (UV) on Ordinary Oxygen in the presence of stabilizing agent like Nitrogen. The reaction is reversible and O3 reverts to diatomic oxygen. It’s a strong oxidizing agent readily reacting with other chemical compounds to make toxic oxides, it’s also responsible in providing the strong ... Tags: Chemistry, Carbon Monoxide
Pages: 4 (1000 words), Coursework
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Physical Chemistry Lab Report
Subsequent sections of this report contain steps used in quantitative determination of Mn in steel.The first method in quantitative determination of Mn in steel was volumetric analysis. In this method, unknown samples of steel were titrated with KMnO4 followed by back titration of the sample with ferrous ammonium sulfate. First, a standard KMnO4 was ... Tags: Chemistry, Lab Report
Pages: 5 (1250 words), Lab Report
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Lab Chemistry Paper
When more than one elimination product can be formed, the more substituted alkene becomes the major product, which is obtained by removing a proton from the adjacent carbon that has fewer hydrogens (Schlosser, pp153-189). The more substituted alkene is the major product because it is the more stable alkene; therefore, it has the more stable transition ... Tags: Chemistry
Pages: 6 (1500 words), Essay
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Organic Chemistry: Separation and Purification Scheme
In this case, benzoin remained dissolved in 1,4-Dibromobenzene because it does not dissolve in sodium hydroxide,. After the separation of organic and aqueous layers, the benzoic acid was recovered from the aqueous solution by addition of hydrochloric. Both compounds were then purified by crystallization, dried then their weights were measured and recorded ... Tags: Chemistry
Pages: 6 (1500 words), Lab Report
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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. The two processes require a specific catalyst. In the reaction of a polymerization, ... Tags: Chemistry
Pages: 8 (2000 words), Essay
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Method in physical chemistry ( Material)
Reversible redox reactions occur within the polymer central chain in a similar manner as that of quinine or polyaniline polymers. Consequently, chemical reactions involve the use of building units of the polymer, strong oxidizing agent and a strong inorganic acid. In the case of polyaniline, start by placing appropriate quantity of 0.1M aniline in the ... Tags: Chemistry
Pages: 5 (1250 words), Assignment
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Physical Chemistry - Phase Diagrams
As defined by the conditions of temperature and pressure lying in this region. A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure. The volume is definite if the temperature and pressure are constant. The inter-molecular forces of attraction are relatively ... Tags: Chemistry, Equilibrium
Pages: 4 (1000 words), Coursework
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The Chemistry in Desalination Plants
The pressure is applied on the higher concentration solution. The outwardly applied pressure builds up and is greater than the concentration difference hence the net solvent movement is from high concentration area to low concentration area. Finally as the solute cannot pass through as the membrane because is it not permeable to it, the solute and the ... Tags: Chemistry, Scientific Method
Pages: 3 (750 words), Research Paper
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Physical Chemistry Lab Report
Theoretically, standardization of NaOH and determination of a primary standard’s purity are quantitative methods. Therefore, accuracy of instrument readings is paramount in ensuring success of a volumetric analysis. In this case, the experiment began with the cleaning and calibration of instruments, primarily the burette, mass scales and Erlenmeyer ... Tags: Chemistry, Elizabeth Cady Stanton, Lab Report
Pages: 5 (1250 words), Lab Report
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Chemical, Electrical ,Mechanical and Chemistry
Most of the Li-Polymer cells must be charged carefully up to 4.2 V and they must be recharged once the voltage drops to 3. The batteries come with a variety of electrode configurations. Some of the batteries use Li metal strip as the cathode whereas as others use carbon-Li intercalation compound in which Li+ ions form a coating over a carbon cathode ... Tags: Chemistry, Electrical Engineering, Plate Tectonics
Pages: 8 (2000 words), Essay
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Written Report for Professor in Chem Department (new gas-phase ion chemistry and mass spectrometric )
Through instrumentation, Xia and group develop mass spectrometry systems for executing bimolecular reactions in both a linear trap and plume sections of nano-electrospray source. These ranges of apparatus enable research transition from the radical attack study of biomolecules to the analytical study (Chem. In terms of bio-radical chemistry, radical ... Tags: Chemistry
Pages: 4 (1000 words), Essay
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The Chemistry of an industrial process and its environmental impact
Once the alkene has been obtained, polymerization is carried out to form different products. Polymerization mainly results into long-chain molecules called polymers. Polyethene, for example, is formed through additional polymerization of ethene. The action is as shown below and takes place at 200oC and 2000 p.Plastic pollution in the ocean has raised ... Tags: Chemistry, Industrial, Ocean Pollution, Wide Sargasso Sea
Pages: 4 (1000 words), Essay
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Analytical chemistry assignment 12 questions
Care should be observed to avoid inhalation of the fumes during the collection and analysis process.Urine collection methods vary depending on the analyte being tested. Drugs differ in the way in which they are metabolized in the body, including the components that are excreted through the urine. Depending on the analyte being investigated, urine samples ... Tags: Chemistry, Analytical, Forensic Science
Pages: 5 (1250 words), Essay
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How Organic Food Works
The philosophy of organic farming is holistic and is based on working with nature rather than working against it. The soil is treated as a living organism in organic agriculture. It adheres to the rule that what is taken from the soil must be returned it. The aim is to maintain the soil fertility and minimize the environmental impact. In the United ... Tags: Chemistry, Catcher in the Rye, Organic Farming, Organic Foods
Pages: 11 (2750 words), Essay
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Use of Xenon Gas in Humans
This however does not mean that the xenon gas’ entry into the body is associated with no clinical pharmacological roles. For example it is known that apart from the cell membranes, xenon can also pass freely and causes exchanges between blood and tissues. As this passage activity is performed, the gas concentrates largely on the body fat rather than ... Tags: Chemistry, Brain Injury
Pages: 9 (2250 words), Research Paper
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The use of Pearson's hard soft acid base theory in bioinorganic chemistry
This is the process, which integrates carbon dioxide to organic carbon sugars during photosynthesis. It can also use just the carbon dioxide form of carbon, not bicarbonate or carbonic acid. A cadmium-carrying carbonic anhydrase was discovered to be articulated in marine diatoms during zinc restriction. In the open ocean, this enzyme is in low concentrations ... Tags: Chemistry, Protein Synthesis
Pages: 4 (1000 words), Term Paper
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Consider how the role of science in society is represented in Davys Introductory Discourse on Chemistry and at least one other text from Block 5, Units 201
Of life and works have also benefitted by science, for instance, the tanners as professionals in that field went on to discover the need to develop complex ways of dealing with their wares. They made oak trees more reliable sources of tannin but other experiments as was done by Sir Joseph Banks to look for other substitutes for tannin apart from the ... Tags: Chemistry, Smallpox, Tanning Beds, Vaccination
Pages: 6 (1500 words), Essay
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Hydrogeology-GROUNDWATER CHEMISTRY IN THE LONDON BASIN
High conductivity is also one of the features of the area.The next region has particularly high quantities of chloride and sodium. These ions are found in a number of areas: a cluster from Slough to Maidenhead, found in Hounslow, Staines and Esher. It is believed that sodium most likely comes from road de-icing. To support the statement sites 1546 and ... Tags: Chemistry, Fourteen Points, Tanning Beds
Pages: 5 (1250 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 ... Tags: Chemistry, Color Blindness, Color of Water, The Color Purple
Pages: 4 (1000 words), Essay
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Chemistry and the environment: an essay about the properties of the atmosphere and what makes a good fuel
Odor in the environment and between renewable and non-renewable energy resources, renewable energy resources prove to be the chief source of good fuel. Algae-based biofuels for instance may constitute a renewable alternative fuel used extensively in generating electricity. Aside from the renewably extracted geothermal energy, biomass, hydroelectric ... Tags: Chemistry, Alternative Fuels, Cat in the Rain, Ozone Layer, Solar Energy in English
Pages: 4 (1000 words), Essay
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Fe Oxide Experiment-Solid State Chemistry, X-ray Diffraction and Characterisation of Fe Oxides
There is always alteration of direction when the underlying incident X-ray hits a solid material (Villars, , Cenzual & Penzo 2012).X-rays have shorter wavelengths and it is this property that makes them capable of determining the shortest distances as the intra atomic distances. The rays scattered between dissimilar objects especially the atoms in ... Tags: Chemistry, Milgram Experiment, Ray Bradburys
Pages: 8 (2000 words), Essay
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Organic Chemistry - Stereoelectronic Effects in Fuel Dehydrating Icing Inhibitors
Stereoelectronic effects are critically important in the reactivity of ester functional groups like ortho-esters. The primary stereoelectronic effects of ortho esters are particularly caused by the delocalization of electrons between the carboxylic group and the ethereal oxygen during the interaction between ortho esters and free water from the jet ... Tags: Chemistry
Pages: 11 (2750 words), Research Paper
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Physical Chemistry Lab Report
In a typical ground electronic state is a singlet (all electrons paired). Electronic excitation results in an excited state singlet that may undergo internal conversion to a triplet state. Due to the forbidden nature of a triplet singlet transition, the triplet state may exist for a substantial length of time. The emission from this state is known as ... Tags: Chemistry, Lab Report, Thin Air
Pages: 7 (1750 words), Lab Report
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Organic chemistry: Polymers in dentistry and the tooth filling
During the process, the π-bond present in the monomer is changed to σ-bond in the polymer molecule. Monomer addition to the end of the developing chain is a fast and exothermic process. Addition polymerization can be anionic, cationic or free radical polymerization (Shalaby & Salz, 2006).Step-growth polymerization involves monomers containing different ... Tags: Chemistry, Dentist, Indian Removal
Pages: 8 (2000 words), Research Paper
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How Chemistry Changes the World
The study of chemistry is a true definition of various discoveries. The scientific discipline focused on studying compounds’ reactions, structure, mechanisms, and properties. The impact of chemistry in the global is based on the presence of chemicals everywhere. Naturally, the world is made of chemicals. In details, the pursuit of chemistry is ... Tags: Chemistry
Pages: 4 (1000 words), Essay
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Instructional Technology
Most students are not conversant with chemistry concepts while joining college. The chemistry taught in high school comprises of the basic concepts that are easy to understand. Additionally, most teachers use chalk and board to explain mathematical representation for the high school students. Therefore, most students join college with little knowledge ... Tags: Chemistry, Technology, Learning Styles
Pages: 5 (1250 words), Research Paper
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ESSENTIALS OF FIRE CHEMISTRY AND PHYSICS
For these materials to ignite, they need heat from another fire such as a lighter or a matchstick. The combustion then spreads through the material via conduction, using oxygen in the air as the oxidant. Once all of the fuel is burning, the fire burns intensively and temperatures rise significantly. During this time, orange flames form.Putting out this ... Tags: Chemistry, Agent Orange, Burning, Ethanol Fuel, Physics
Pages: 4 (1000 words), Research Paper
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IB English Written task
The first few games they were beaten by teams with lower caliber players such as the Dallas Mavericks.Oklahoma City Thunder is also a team that tried to replicate the successes of the abovementioned teams with its dynamic duo: Westbrook and Durant. These talented players cans influence games and dictate tempo. However, they cannot achieve all this if ... Tags: Chemistry, Basketball
Pages: 4 (1000 words), Essay
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Biological Importance of Metal Complexes of Pyrimidine-2-Thione
The yield is 35%, based on metal (Podson & King, 1945). Elemental analytical computation for the C8H16N8O10S2Mo: S, 10.00; C, 15.00; N, 17.50; H, 2.50%; illustrate that N, 17.51; C, 14.98; N, 17.51; H, 2.82; and AM(DMSO) 3 S cm2per mol (Greenwood & Earnshaw, 1997).H2O (2) preparation (Anthony, 2007). This uses (NH4)2(WO4) and uses the same method applied ... Tags: Chemistry, Agent Orange, Cotton Gin
Pages: 6 (1500 words), Research Paper
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Writing about the scientist Irving Langmuir and his nobel prize work
In addition, his concerted efforts in chemistry led him to outline the molecular and atomic structures, properties, and behaviour. He won many awards in his entire career but perhaps the most remarkable award that he received was the Nobel Prize (Sólyom 2007, p. In terms of honour, he was showered with many accolades including honorary degrees from ... Tags: Chemistry, Countee Cullen, Physics
Pages: 4 (1000 words), Essay
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MRes Catalysis and Engineering of Imperial College London
With ICL, there is a bright future. The institution provides adequate resources where students can undertake a lot of research and carry out as many experiments as possible since that what Chemistry comprises. Sharing of knowledge with other students with different approaches provides great opportunity to learn more. With teamwork, achieving success ... Tags: Chemistry, Geoffrey Chaucer, Personal Statement
Pages: 2 (500 words), Essay
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Sir Walliam Ramsay
He had written number of articles on picoline and on the decomposed products of the quinine alkaloids. From the inception of eighties, he was actively involved in physical chemistry. His contributions towards chemistry, being the most rewarding contribution in terms of stoichiometry and thermodynamics are considered marvellous. It has helped him a lot ... Tags: Chemistry, Sir Gawain and the Green Knight, Sir Isaac Newton, Sir Lancelot
Pages: 4 (1000 words), Essay
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Jaber Ibn Hayan
Some of the modern day equipment used in lab experiments and industries such as the pipette, retort and test tubes is said to have been invented by Geber about a thousand years ago. One of the most basic theories of chemistry or the founding blocks of chemistry, the theory of sub-atomic particles such as atoms, discovered my Dalton in 1844, have been ... Tags: Chemistry, Alchemist, Astronomy
Pages: 8 (2000 words), Research Paper
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