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Chemistry Essay Examples

Organic Chemistry
This reduction will yield an E-alkene. Uing Lindlars catalyst, Zalkene can be produce. A imine reacts with dienes in the Aza Diels-Alder reaction to produce tetrahydropyridine. I Hoesch reaction, atype of Friedel-Crafts Acylation reaction, iine is reacted with a nitrile, hdrochloric acid and an arene...
Pages: 5 (1250 words) , Assignment , Chemistry
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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 , Chemistry
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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. Iuse my knowledge of drugs in my current job as a caregiver, were one of my tasks is handling medication intake of my patient. Iapply chemistry to...
Pages: 4 (1000 words) , Essay , Chemistry
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Physical chemistry
(Atkins & de Paula, 2006)A catalyst accelerates a chemical reaction without undergoing a net chemical change. The catalyst reduces the energy of activation by altering the path of reaction to avoid the rate determining step, wich is the slowest step in a reaction (Atkins &...
Pages: 8 (2000 words) , Essay
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Teaching Reflection Essay - Chemistry
Having this in mind, tachers ensured that the necessary material and apparatus necessary to be used in a particular lesson are identified in the lesson plan in an attempt to accomplish the objectives described. Tese materials are highly useful in facilitating the learning process. Tus,...
Pages: 6 (1500 words) , Essay , Education
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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. Cordinate bonding is another form of chemical interaction that involves the bonding between ionic form of metals and atoms that are...
Pages: 4 (1000 words) , Thesis , Chemistry
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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...
Pages: 4 (1000 words) , Essay , Chemistry
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Physical Chemistry Lab Report
This lab report covers on the employment of gravimetric analysis in the mass determination of chlorine within an unknown chloride solution. I determining the mass percent of chlorine, apure precipitate containing chloride ions must be prepared. Aong the elements that form insoluble chlorides include Pb2+,...
Pages: 5 (1250 words) , Lab Report , Chemistry
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Describe your interest in chemistry
I also love organic chemistry because it explains most biological processes that sustain human life. Oganic chemistry in practical sense gives me a fulfillment as I feel that the cognitive benefits are far much important that it’s practical value. Ilike organic chemistry because it helps...
Pages: 4 (1000 words) , Assignment , Chemistry
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Organic chemistry
For a distinction your work will show that you can consistently draw structural formula, ientify and name organic compounds with almost no mistakes that you can describe typical reactions of some of the functional groups, wth explanations with no mistakes and complete answers consistently. You...
Pages: 8 (2000 words) , Assignment , Chemistry
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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. Bakel demonstrates how this statement had an uneven effect on how philosophers. A a result, rsearchers during Kant’s era were inclined to see the comparative status of the association of physics to...
Pages: 7 (1750 words) , Essay , Chemistry
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Chemistry paper
And inert gases. Te reaction with oxygen is an exothermic process and therefore self sustaining; hwever, t initiate the reaction some initial heating is required to dissociate the double bond in O2. Tis compound is liquid at room temperature. Is freezing point is 0 oC...
Pages: 6 (1500 words) , Essay
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Chemistry exam
Some of the sources of proteins include: mat, pultry, safood, bans, peas, egs, pocessed soy products, nts which are usually derived from plants or animals. Ntably, tey are described according to their functions in the human body e. atin is used for structural component by...
Pages: 4 (1000 words) , Essay , Chemistry
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Physical Chemistry Lab Report
To counteract this precipitation performed slowly in an acidic environment. Te acid solution mixture is not affected by anions of weak acids that might also form precipitates with the silver ions. Pecaution must be taken to avoid a large excess of silver ions since it...
Pages: 7 (1750 words) , Lab Report , Chemistry
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The chemistry of food
In addition, i can be used in the calculation of other constituents e. Ttal solids are the weight (dry weight) that remains after moisture analysis (Nielsen 2010, P 25). Lpids are compounds that are sparingly soluble in water but have variable solubility in organic solvents...
Pages: 6 (1500 words) , Coursework , Chemistry
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The Nobel Prize in Chemistry 1947
While at Oxford, h explored sex hormones and steroids. Dring World War II, h studied the properties of penicillin antibiotic, eucidated its structure, ad also researched antimalarial drugs. Hs explorations also extended to explosives and petroleum. H was the president of the Royal Society and...
Pages: 4 (1000 words) , Essay , Chemistry
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Pharmaceutical Chemistry
Larger energy, mans larger frequency, mans shorter wavelength (red shift or shorter wavelength). A alkaline pH, te absorbing system may be intact and will show red shift, bt in acidic solution the amino - H2N group is replaced by - +NH3, wich is considerably less...
Pages: 30 (7500 words) , Essay
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Physical Chemistry Lab Report
Finally, te experiment employed Anodic Stripping Voltammetry in determination of copper. Aodic Stripping Voltammetry relies on the electric conductivity of analytes, ad is specifically suited for quantitative analysis of minute traces of heavy metalsii. Sbsequent sections of this lab report contain procedural steps, rsults and...
Pages: 7 (1750 words) , Lab Report , Chemistry
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Food chemistry
Scientific studies conducted to see the effect of wholegrain oats on health have shown that diet containing these kinds of fibre-rich oats improves the BP and regulates glucose and lipid levels in the body (Pinn et al, 2002). Wolegrain oats is known to lower the...
Pages: 6 (1500 words) , Assignment , Chemistry
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Physical Chemistry Lab Report
When in contact the fluorophore returns to the ground state, wthout emitting photons. Fr a static and dynamic quenching to occur the fluorophore and the quencher must be in contact. Rquirement of molecular contact for quenching may result in the numerous applications of quenching. Te...
Pages: 7 (1750 words) , Lab Report , Chemistry
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Chemistry of Swimming Pool Disinfection
Scenario, tose in charge of maintaining the pool regularly subject it to chemical treatment in order to make sure that it remains safe and fit for public consumption. I the words of the Division for Environmental Health (2011), te only way to maintain safe and...
Pages: 5 (1250 words) , Term Paper
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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. Fr a specific amount of gas, t raise the pressure of the gas one would have to compress the gas so that...
Pages: 6 (1500 words) , Assignment , Chemistry
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Chemical KInetics Chemistry
Doing so would mean the same amount of gas is found in a much smaller volume, rsulting in a higher concentration. Bcause of the increased concentration, tere are more molecules of the gas that collide, tus the higher the pressure the higher the chances of...
Pages: 6 (1500 words) , Assignment , Chemistry
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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. Te reaction is reversible and O3 reverts to diatomic oxygen. I’s a strong oxidizing agent readily reacting with other chemical compounds to...
Pages: 4 (1000 words) , Coursework , Chemistry
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Chemistry in Life
Most historians are generally agreed that coins were invented at around 700 B. (efore current era) independently in Lydia (now a part of modern-day Turkey), i India, ad in China. Brter is a form of direct exchange by which goods and services were exchanged for...
Pages: 14 (3500 words) , Research Paper , Chemistry
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Does a pharmacist need to know medicinal chemistry
There are individuals specialised in different fields, wich results in more organisational and individual productivity and innovativeness. Hw 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...
Pages: 4 (1000 words) , Essay , Health Sciences & Medicine
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Chemistry central journal
Models per ORN, slected those with the highest predictive power, ad used them to predict ORN responses to 21 compounds, wich were subsequently tested in vivo (in the following referred to as "test data"). W also assayed ten compounds that had already been tested...
Pages: 5 (1250 words) , Essay
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Analytical Chemistry
Iron (II) with 1,10-phenanthroline (C12H8N2, otho-phenanthroline or o-Phenanthroline), atricyclic nitrogen heterocyclic compound that reacts with ferrous iron to form the strongly colored complex thus: Tis complex absorbs light in the visible region rather strongly with a maximum absorbance occurring around 508 nm and is very...
Pages: 4 (1000 words) , Lab Report
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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 , Chemistry
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Chemistry-hydroxylapatite
It is usually written Ca10(PO4)6(OH)2 to show that the crystal unit cell comprises two entities. Hdroxyapatite is the hydroxyl end member of the complex apatite group, i which the OH- ion can be replaced by fluoride, cloride or carbonate. Tis substance crystallizes in the hexagonal...
Pages: 4 (1000 words) , Essay
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Physical Chemistry Lab Report
Subsequent sections of this report contain steps used in quantitative determination of Mn in steel. Te first method in quantitative determination of Mn in steel was volumetric analysis. I this method, uknown samples of steel were titrated with KMnO4 followed by back titration of the...
Pages: 5 (1250 words) , Lab Report , Chemistry
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Lab Chemistry Paper
When more than one elimination product can be formed, te more substituted alkene becomes the major product, wich is obtained by removing a proton from the adjacent carbon that has fewer hydrogens (Schlosser, p153-189). Te more substituted alkene is the major product because it is...
Pages: 6 (1500 words) , Essay , Chemistry
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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. Cnsequently, cemical reactions involve the use of building units of the polymer, srong oxidizing agent and a strong inorganic acid. I the case of polyaniline,...
Pages: 5 (1250 words) , Assignment , Chemistry
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Organic Chemistry: Separation and Purification Scheme
In this case, bnzoin remained dissolved in 1, 4Dibromobenzene because it does not dissolve in sodium hydroxide, .After the separation of organic and aqueous layers, te benzoic acid was recovered from the aqueous solution by addition of hydrochloric. Bth compounds were then purified by crystallization,...
Pages: 6 (1500 words) , Lab Report , Chemistry
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Chemistry and society Class
Corporation (SABIC), bsed at Riyadh, Kngdom of Saudi Arabia, i probably one of largest companies in the world, mnufacturing Specialized Chemicals, Plymers and Metals and other commodities. Al their products improve the standard and comfort of customers throughout the world, wo happily use their products....
Pages: 4 (1000 words) , Essay
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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...
Pages: 8 (2000 words) , Essay , Chemistry
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Physical Chemistry - Phase Diagrams
As defined by the conditions of temperature and pressure lying in this region. Aliquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure. Te volume is definite if the temperature and pressure...
Pages: 4 (1000 words) , Coursework , Chemistry
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The Chemistry in Desalination Plants
The pressure is applied on the higher concentration solution. Te 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. Fnally as the solute cannot pass through as the...
Pages: 3 (750 words) , Research Paper , Chemistry
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Physical Chemistry Lab Report
Theoretically, sandardization of NaOH and determination of a primary standard’s purity are quantitative methods. Terefore, acuracy of instrument readings is paramount in ensuring success of a volumetric analysis. I this case, te experiment began with the cleaning and calibration of instruments, pimarily the burette, mss...
Pages: 5 (1250 words) , Lab Report , Chemistry
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Justification of the Chemistry lesson plan and concept map
Ridley (2004) came out with the assertion that in order to overcome the differences in expectations existing between them, te teacher and students must have a minimum level of sensitivity and understanding towards each other. Tis is stated to be of particular importance in the...
Pages: 6 (1500 words) , Essay
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Written Report for Professor in Chem Department (new gas-phase ion chemistry and mass spectrometric )
Through instrumentation, Xa and group develop mass spectrometry systems for executing bimolecular reactions in both a linear trap and plume sections of nano-electrospray source. Tese ranges of apparatus enable research transition from the radical attack study of biomolecules to the analytical study (Chem. I terms...
Pages: 4 (1000 words) , Essay , Chemistry
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Chemistry - mechanism and synthesis
Thus, i is treated with aqueous acid and the excess Grignard reagent is destroyed and the salt is now converted to the imine – pentane-2-imine. Te imine is unstable in the aqueous acidic conditions and readily hydrolyses to the ketone (Taylor, pThis is the least...
Pages: 9 (2250 words) , Essay
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Chemical, Electrical ,Mechanical and Chemistry
Most of the Li-Polymer cells must be charged carefully up to 4. 2V and they must be recharged once the voltage drops to 3. Te batteries come with a variety of electrode configurations. Sme of the batteries use Li metal strip as the cathode whereas...
Pages: 8 (2000 words) , Essay , Engineering and Construction
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The Chemistry of an industrial process and its environmental impact
Once the alkene has been obtained, plymerization is carried out to form different products. Plymerization mainly results into long-chain molecules called polymers. Plyethene, fr example, i formed through additional polymerization of ethene. Te action is as shown below and takes place at 200oC and 2000...
Pages: 4 (1000 words) , Essay , Chemistry
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Chemistry and biology lesson plans and concept maps
After the lecture and experiments, te students will be able to have first-hand information about the nature of substances around us like fruits, vgetables, lquids, oher eatables, cemical substances etc. Pocess of water filtering, wich allows water to pass through but stops the larger molecules...
Pages: 12 (3000 words) , Essay
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Enhancing High School Students Attitude towards Science: Green Chemistry in Curriculum: Does it enhance high school students attitude towards science
At the same time, i was largely ignored by common people and industries that random utilization of science for hedonist and utilitarian purposes would largely affect the environmental balance (Goodman, ad Chant, 1999). Te progress of human civilization, epecially in the post Industrial Revolution era,...
Pages: 60 (15000 words) , Thesis
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Water quality method for chemistry lab
While conducting the experiment, sfety procedures were fundamental; snce the water was hazardous, potective clothing such as globes was important (W. Te test kit contains all materials required to perform the experiment, fr example, ragents for testing chlorine content in water (Sturman & Kruvilla 77)....
Pages: 4 (1000 words) , Lab Report
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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. Uine collection methods vary depending on the analyte being tested. Dugs differ in the way in which they are metabolized in the body, icluding the components that are excreted...
Pages: 5 (1250 words) , Essay , Chemistry
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How does the use of Multimedia and virtual learning environments increase adult learners ability to learn chemistry
According to a survey of 39 secondary schools in the UK, te majority of schools still offer traditional laboratory courses and in addition learners are often expected to learn skills aid techniques by ‘doing’, wthout being exposed to a course on techniques. Snce practical are...
Pages: 20 (5000 words) , Essay
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Chemistry of common preservatives
The use of oils and resins to quicken or slow down the decaying process were used to best effect by the Egyptian Civilization. Nwadays, fod preservation has dramatically reduced, Cmbination of preservatives may reduce overall concentration of a preservative and natural preservative system could replace...
Pages: 30 (7500 words) , Research Paper
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