Aromaticity
Aromaticity Chemistry Coursework
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lectrons in the lone pair are pi-electrons, All atoms are sp2 hybridized, molecule is planar, number of pi-electrons is 8 (4n+2, n=1.5), so it is not aromatic. 4) O configuration: , sp2 hybridization, electrons in the lone pair are pi-electrons. All atoms are sp2 hybridized,
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Techniques lab
Techniques lab Chemistry Lab Report
4 pages (1000 words) , Download 1 , Lab Report
Using this volume, calculations performed revealed the theoretical mass of NaCl to be 1.493 g. To find the experimental mass, 25 mL of the solution obtained from the volumetric flask was heated 3 times over
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The benefits and harmful of plastic
The benefits and harmful of plastic Chemistry Essay
4 pages (1000 words) , Download 1 , Essay
This negative side pertains to its usage, its disposing off and other associated factors. The following are few of the positive and negative sides of plastic baggage usage. Its positives can be proven
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Lab report
Lab report Chemistry Essay
2 pages (500 words) , Download 1 , Essay
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air, that is sufficient to kill 50 percent of a test animal while Lethal Dose 50 is the necessary dose for the death of 50 percent of a population that is exposed to the subject substance at a given time (). This paper investigates and reports on the Lethal Concentration 50 and
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Applications and Development of Catalyst for the Synthesis of Highly Functional Organic Carbonates
Applications and Development of Catalyst for the Synthesis of Highly Functional Organic Carbonates Chemistry Research Proposal
5 pages (1250 words) , Download 1 , Research Proposal
This necessitates the search for newer polymer types that are environment friendly. This can be attained through development of chemical protocols requiring less
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Conservative vs. Non-conservative Amino Acid Substitutions
Conservative vs. Non-conservative Amino Acid Substitutions Chemistry Assignment
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The paper also shows that it may have no effect on the functioning of the protein. Since the substitution is not harmful to the DNA there are no changes to be observed. Impact on nutrition may not also be observed since the protein remains the same, save for the substituted amino acid (Ng and Henikoff, 870).
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Synthesis of Soap
Synthesis of Soap Chemistry Lab Report
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A 2 hoses reflux condenser was attached to the heated flask and the mixture was allowed to reflux for 15 minutes. The heat was turned off and the system was cooled. The reaction mixture was poured into a beaker containing saturated sodium
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INSTRUMENTAL ANALYSIS EXAM
INSTRUMENTAL ANALYSIS EXAM Chemistry Assignment
4 pages (1000 words) , Download 1 , Assignment
As a result, Van Deemter used this equation as to capture all the three aspects while including theoretical plate height as having a major influence. This especially observed on the mobile phase linear velocity
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Experiment 9 formal report
Experiment 9 formal report Chemistry Lab Report
5 pages (1250 words) , Download 1 , Lab Report
In addition, introductions section provides hypothetical proposition of each experiment together with brief description of procedures involved. Methodology section provides detailed description of procedures and steps employed in carrying out
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Importance of Radioisotopes and Isotopes
Importance of Radioisotopes and Isotopes Chemistry Research Paper
4 pages (1000 words) , Download 1 , Research Paper
So according to a standard definition; isotopes are nuclides of a single element that have different atomic weight. The term ‘isotope’ meaning ‘same place’ was coined by Fredrick Soddy. (Criss 4). Isotopes can be further classified as either stable or radioactive
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X-ray crystallography
X-ray crystallography Chemistry Research Paper
4 pages (1000 words) , Download 1 , Research Paper
Crystallography is done by use of X-rays and the concept of diffraction of light or electromagnetic spectrum. Crystalline structures have an effect on a beam of incident X-rays and cause them to diffract into
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Chemistry Paper
Chemistry Paper Chemistry Essay
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The comprehensive nuclear test ban treaty was formed in September of 1996 when the states came together to ban the explosives that were mostly used as tests for nuclear explosives to environment. The first explosive to be
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Summary and poems
Summary and poems Chemistry Assignment
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Electrochemical reactions occur when a chemical reaction is followed after application of external voltage in a process known as electrolysis. This can be clearly illustrated by what takes place in a battery. In the same way, chemical reactions do occur in molecules;
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Literature and Laboratory Skills
Literature and Laboratory Skills Chemistry Thesis
5 pages (1250 words) , Download 1 , Thesis
Consumption of affected water is the key route through which exposure to the toxins arises. Traditional water treatment techniques are effective against cyanobacterial cells, but useless for removal of dissolved cyanobacterial toxins.
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Mass Spectrometry
Mass Spectrometry Chemistry PowerPoint Presentation
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The chemical structures of molecules can thus be drawn. The process is done by creating charged particles from molecules. The sample which may be solid, liquid or gas is charged by bombarding it with electrons. This results into the molecule sample disintegrating as
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Scientific method experiment
Scientific method experiment Chemistry Essay
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It is a question of every scholar whether gases have definite mass. We often are left with question whether it is possible to establish the relative weights of gases. Gases have relative weights and this experiments aims at approving this hypothesis
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Chemistry of hazardous materials
Chemistry of hazardous materials Chemistry Essay
1 pages (250 words) , Download 2 , Essay
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This should be avoided. A perimeter must be set up to protect emergency responders and the public. The transport load should be recognized with shipping documents, placards, or any
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Fireworks combine art and science. Discuss the chemistry behind firework colors, including the mechanisms of color production
Fireworks combine art and science. Discuss the chemistry behind firework colors, including the mechanisms of color production Chemistry Essay
4 pages (1000 words) , Download 1 , Essay
Since, then to date this crude invention has led to extremely advanced developments that saw it used even as a warfare tool (gun powder) (Ochiai, 2011, p. 111).
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Industrial Haygene
Industrial Haygene Chemistry Lab Report
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Early detectors were more qualitative than quantitative. Detector tubes that provide precision, accuracy and selectively are required. Dragger tubes have been made with the capacity to measure more than 300 gases and vapors (Drager 20). The draeger tube
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Chemistry
Chemistry Chemistry Essay
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A solution or a substance having 7 pH is said to be neutral or having equal number of H+ and OH- ions. pH is calculated by taking the negative log of the concentration of H+ ions present in a solution. A 1 molar sulfuric acid has a pH of zero while
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Enthalpy of Neutralisation
Enthalpy of Neutralisation Chemistry Lab Report
2 pages (500 words) , Download 1 , Lab Report
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that the heat of enthalpy for NaOH to HCL was higher as compared to NaOH to CH3COOH, a factor attributed to the fact that in one case, a strong acid was used while in another case, a weak acid was used. Conventionally, enthalpy changes when a strong base is mixed with a strong
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Materials
Materials Chemistry Essay
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The current focus on sustainable development in concrete technology aims at producing more environmentally friendly cement, which spawns less carbon dioxide and expends less energy. Such environmentally favorable cement is what is referred to as “green
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Chain-growth polymerization reactions
Chain-growth polymerization reactions Chemistry Lab Report
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Chain growth polymerization can be symbolized using this chemical equation. (-M-)N (polymer) +M (monomer) -> (-M-) n+1 (Peacock and Allison 86). In this case, n refers to the degree or extent of polymerization and M occurs as an unsaturated
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INTRODUCTION of FRIEDEL-CRAFTS ACYLATION
INTRODUCTION of FRIEDEL-CRAFTS ACYLATION Chemistry Essay
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Clemmensen reduction method is normally preferable in cases where there is introduction of an n-alkyl group onto the underlying aromatic ring subsequent with the acylation. This is
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Spectroscopy
Spectroscopy Chemistry Lab Report
3 pages (750 words) , Download 1 , Lab Report
According to Lardan H. understanding ‘Series of waves converges to series limit at an air wavelength of 364.60 mm …’ (Lardan, 1998, pp. 49 -53) clearly reveals that the
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Eco-Friendly Plastic Bag
Eco-Friendly Plastic Bag Chemistry Research Paper
6 pages (1500 words) , Download 1 , Research Paper
The tensile strength test was done on the papers to determine the strength of the papers. It was found out that the eco-friendly bags
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Immunohistochemical method for identification of ebstein barr virus from the tonsil tissue
Immunohistochemical method for identification of ebstein barr virus from the tonsil tissue Chemistry Essay
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Epstein Barr Virus, commonly referred to as ‘EBV’ belongs to the herpes virus family. It is one of the most commonly found human viruses. This study used the samples of tonsils from patients suffering with the chronic tonsillitis. So, a total of fifteen tonsillar tissues were obtained from eight donors.
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DIASTEREOSELECTIVE ALDOL CONDENSATION USING A CHIRAL OXAZOLIDINONE AUXILIARY: (2S*,3S*)-3-HYDROXY-3- PHENYL-2-METHYLPROPANOIC ACID
DIASTEREOSELECTIVE ALDOL CONDENSATION USING A CHIRAL OXAZOLIDINONE AUXILIARY: (2S*,3S*)-3-HYDROXY-3- PHENYL-2-METHYLPROPANOIC ACID Chemistry Essay
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Then a cannula is used to transfer the solution of 1.47M butyllithium and hexane into a 100 mL calibrated cylinder, which should have a joint that is made of ground-glass. The cylinder should be
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Equilibrium
Equilibrium Chemistry Book Report/Review
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des calculation of the radiance balance (heat fluxes, heat conduction) and mass balance (freezing, snow accumulation, melt, evaporation) for the three chosen glaciers in Nepal. It was found that the glaciers in the humid areas show the increased mass wastage comparing
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Polyvinylchloride (PVC)
Polyvinylchloride (PVC) Chemistry Essay
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Basically, PVC is classified into broad categories which are thermoplastic and thermosetting resins. PVC is linear in structure which comes about through head to tail addition of molecules to a polymer chain. These monomer
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Therapeutic Drug Monitoring Assessment
Therapeutic Drug Monitoring Assessment Chemistry Assignment
4 pages (1000 words) , Download 1 , Assignment
Reportedly, there is a significant overlap between therapeutic and toxic drug concentration ranges such as fungal-derived immunosuppressive drugs, Cyclosporin A also known as Prograf® and FK506 known as Tacrolimus ® commonly used after soft organ transplantation and in the treatment of autoimmune disease.
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The Ag element
The Ag element Chemistry Lab Report
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According to Hansen (15), the information provided by these groups link the origin of Ag to some stars. For instance, Crawford et al. (1998) claim to have identified Ag in seven stars. In relation to their assertion,
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Syntesis of (1R,2S)-1-(m-Bromophenyl)-3-methyl-1,2-butanediol
Syntesis of (1R,2S)-1-(m-Bromophenyl)-3-methyl-1,2-butanediol Chemistry Assignment
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Organic chemist’s ability to predict the importance of new compounds before they are synthesized is still rudimentary (Wyatt and Warren 661). The possible medicinal uses of natural products with their diverse molecular structure have been and still are the subject of
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Empirical Formula of Magnesium Oxide
Empirical Formula of Magnesium Oxide Chemistry Lab Report
6 pages (1500 words) , Download 1 , Lab Report
The author states that the formula of Magnesium can be predicted with the use of atomic theory, which leads to the electron structure of Magnesium and Oxygen atoms. The aim of the experiment is to compare the empirical formula of Magnesium Oxide developed after the experiment with the formula developed during the experiment.
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Improving the Consumption of Dietary Fibre
Improving the Consumption of Dietary Fibre Chemistry Research Paper
13 pages (3250 words) , Download 1 , Research Paper
There is no recommended dietary intake (RDI) for fibre as such in Australia. However, the Australian Department of Health has among its dietary goals for Australians an increased intake of fruit, vegetables, bread and cereals, all of which are sources of dietary fibre. The greatest amount of dietary fibre in wheat is in the outer layer or bran.
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Reflections on Connection of Chemisty to Franciscan Value
Reflections on Connection of Chemisty to Franciscan Value Chemistry Essay
2 pages (500 words) , Download 1 , Essay
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r, energy could shift between forms or undergo inevitable conversion from electricity to heat such as the kind of energy transformation taking place in a calorimeter. Following the law of conservation of energy which states that energy is given neither to generation nor
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Ph conductivity lab
Ph conductivity lab Chemistry Lab Report
4 pages (1000 words) , Download 1 , Lab Report
Using this approach, the concentration of the NaCl solutions could be directly determined. The PH of various solutions was also measured using an electronic PH probe, red
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Ionic Reactions
Ionic Reactions Chemistry Lab Report
3 pages (750 words) , Download 1 , Lab Report
Questions: A) It is clearly seen that solubility rules are generally followed in all the experiments. By using them, it is possible to predict the outcome of almost any exchange reaction.
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Paracetamol solubility in cosolvants
Paracetamol solubility in cosolvants Chemistry Assignment
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Generally, the addition of co-solvent is capable of increasing the solubility of hydrophobic substances such as the paracetamol drug according to recent studies. Organic solvents like alcohols are completely miscible with
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Emuglents
Emuglents Chemistry Assignment
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A micro-emulsion may also be formed. As seen in the results, C1 has the highest value of droplet size before and after dispersing. Furthermore, it also has the highest creaming percentage, and by extension a high chance of coalescence. Addition of a second emulgent,
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Applied Chemistry: rBST and Chlorpyrifos in Food
Applied Chemistry: rBST and Chlorpyrifos in Food Chemistry Research Paper
2 pages (500 words) , Download 1 , Research Paper
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In relation to the commonly used food chemicals, this study aims to closely examine the nature of rBST and the chemical composition of Chlorpyrifos. Eventually, the health and environmental
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Homemade Lava Lamp
Homemade Lava Lamp Chemistry Essay
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A better option would be to cover the surface with old newspapers or Manila paper. Decide on a colour for the lava lamp and
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Petrochemical Industry
Petrochemical Industry Chemistry Research Paper
4 pages (1000 words) , Download 1 , Research Paper
Many toxic, flammable, hazardous and explosive substances are used in the processing of manufacture and operation at the petrochemical plant. Therefore, it is vital that the management recognizes the risks and hazards and possibly come up with ways through which to minimize the risks.
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Lab formal report
Lab formal report Chemistry Lab Report
1 pages (250 words) , Download 1 , Lab Report
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The law is bellow, The primary aim of the underlying experiment is to determine the molecular mass of a volatile liquid in weighed flask. A small amount of the
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Acid-Base Equilibria
Acid-Base Equilibria Chemistry Lab Report
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This will raise the milliliters or the volume of the titrant added, decreasing the molarity or making it too low. That is the reason why one want it a very light color and not a dark rich color. The other source of error is the use of impure
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Discuss treatment or preventative measures related to this condition
Discuss treatment or preventative measures related to this condition Chemistry Assignment
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The hepatic ducts, the cystic duct and common bile ducts, are all involved in this process. Bile salts trapped in the leads to inflammation within the gallbladder, ducts, or rarely the liver. Attacks from gallstones mostly result from
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Williamson Ether Synthesis- Preparation of Methyl p-ethylphenyl ether
Williamson Ether Synthesis- Preparation of Methyl p-ethylphenyl ether Chemistry Lab Report
2 pages (500 words) , Download 2 , Lab Report
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Independent procedures of the Williamson ether synthesis method involved cleaning of reactants, production of intermediate compounds, isolation of products, and characterization of the resultant
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Assignment
Assignment Chemistry Assignment
1 pages (250 words) , Download 1 , Assignment
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Molecules at S0, S1, and S2 have distinguishing characteristics. It can also be studied in an ESP spectroscopy. It involves electronically exciting and quenching a molecule. Polarization helps in identification of
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Candida Albicans Microbe
Candida Albicans Microbe Chemistry Article
6 pages (1500 words) , Download 1 , Article
The median cumulative dose of ABLC in patients >65 years of age and those < or = 65 years of age was similar. Despite higher median pretreatment serum creatinine (S-Cr) among patients >65 years of age (1.7 mg/dl vs. 1.4 mg/dl, respectively), both groups showed only a 0.1 mg/dl median S-Cr change from baseline by the end of therapy (P = 0.525).
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FTIR
FTIR Chemistry Lab Report
5 pages (1250 words) , Download 1 , Lab Report
Positional isomers of xylene were scanned and concentration of the unknown was linearly determined through the obtained peak responses. Fourier Transform Infrared (FTIR) is an analytical technique used primarily to identify compounds based on the
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