Aluminum
8 pages (2008 words) , Essay
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The applications of aluminum according to various distinctive properties in several diverse fields of engineering, industry, manufacturing, technology and everyday life are brought up with an analysis of importance of aluminum for the industrial and economic progress of a country is also presented along with the applications on the basis of which conclusions are drawn in the end.
choose one of these enzymes and explain what it is (have extra insruction)
2 pages (502 words) , Essay
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However, its level reduces with age resulting to shrinking of the skin, pain in joints and ligaments, lesser hair elasticity, fragile nails and lip thinning (Lynch 161). Decrease in the level of collagen also leads
Buffers and Buffer Capacity
4 pages (1004 words) , Essay
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There are several types of buffers and each particular buffer only stabilizes the pH of a solution within a particular range. One buffer might be operative within a range of pH 2 to pH 6, whereas another might be operative within a
for and against reforming the Toxic Substances Control Act (TSCA)
2 pages (502 words) , Article
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The TSCA develops frameworks and policies that can be used by EPA. Since the passing of the act, very minimal reforms have been made to the act. Over the past years,
industrial hygenist
1 pages (251 words) , Speech or Presentation
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In this case, the prevailing exposures are 700 ppm for 3 hours, 1300 ppm for 2 hours and 900 ppm for 3 hours. Where; TWA = Time-Weighted Average, Ca = Concentration of air
Gas Laws and Soultions
1 pages (251 words) , Coursework
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3. The titration involves the reaction NaOH + HCl  NaCl + H2O. The pH of the solution when it becomes neutral is at pH 7.0. Bromothymol blue is the best indicator for this reaction because it has a
Factors affecting the rate of a chemical reaction The kinetics of a Thiosulfate Solution
5 pages (1255 words) , Download 1 , Lab Report
As an anion, thiosulfate is tetrahedral in shape and is depicted by replacing one of the oxygen atoms by a sulfur atom in a sulfate anion. The S-S distance suggests a single bond, an indication of a significant negative charge borne by the sulphur
introduction of Synthesis of Zinc Iodide
1 pages (251 words) , Lab Report
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that matter can go through any physical or chemical reaction, but the total mass of the reactants and the products will remain equal (Rogers et al., wisc.edu). The experiment aims to illustrate the Law of Conservation of Mass by reacting zinc metal and iodine to synthesize zinc
Chemistry and uses of carbohydrates
1 pages (251 words) , Research Paper
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In pants the carbohydrate are formed by the photosynthesis and contributes up to 75% of the dry mass. The carbohydrates form structural organs of plants in form of cellulose and are
science
4 pages (1004 words) , Admission/Application Essay
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Further, the biggest disadvantage of fossil fuels is that its increasing consumption leads to global warming and environment degradation. In this perspective, it is crucial to find alternative sources of energy to replace fossil fuels for our needs. The paper aims at
The chemical element of Fe2+
4 pages (1004 words) , Essay
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The author of the text stresses that after three titrations with FeSO4.7H2O, the solution Ce4+ comes to standard. Furthermore, 1M HCL and nanopore water form its dissolving agent. Notably, estimation of electrode potential at the end-point is possible, and it is by using the Nernst equations and the formal potential values.
Preparation of Acetyl Salicylic Acid (Aspirin)
4 pages (1004 words) , Lab Report
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Due to its ability to acts as an anticoagulant, aspirin is an effective agent in the prevention of strokes and heart attack. In the following experiment we embark to acquaint ourselves with a simple laboratory
Gas Laws
2 pages (502 words) , Lab Report
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Once in experiencing these conditions, gas molecules seem to move independently without any possible collisions usually brought by interactions with other molecules. Equation derived from these
Chemistry Today
1 pages (251 words) , Article
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The gel also contains a protective derivative that does not cause negative side effects to the ageing individuals. The most significant element of the hydogel is its capacity to disperse in water because of the
Selective Dialkylation of a Doubly Linked Dicyclopentadiene Ligand and the Ensuing Ruthenium Complexes
5 pages (1255 words) , Research Paper
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In trying to determining the feasibility of these complexes for cleaving the C-H bonds in alkanes, it was found that they were insoluble in alkyl solvents. In order to resolve this issue the authors proposed to add alkyl groups to the outer edges of the dicyclopentadiene rings
Multiple Synthesis
6 pages (1506 words) , Lab Report
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Phenytoin is a popular anticonvulsant used in the treatment of epileptic seizures. It also has muscle relaxing and anti-arrhythmic properties (Genome Alberta and Genome Canada). It was
uv/vis
5 pages (1255 words) , Lab Report
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In this experiment, the beer lambert law was considered to help in determining the concentration of the unknown solutions. UV-VS spectroscopy is a concept referring to absorption spectroscopy, usually through the
Measurement of the Turbidity of Raw Water and Study the Effects of Coagulation and Flocculation
1 pages (251 words) , Lab Report
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The process of flocculation involves the formation of flocs through clinging together of solid matter in solution. Coagulation results due to widening of solid material in solution making separation possible
Advanced Criminalistics: Asking the Right Question
1 pages (251 words) , Assignment
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To start with, As a forensic scientist needs to understand that fair outcomes by the criminal justice are dependent on the professional processing of the information provided. Therefore, asking the right question in order to professionally come out with
infrared spectroscopy structural determination
1 pages (251 words) , Lab Report
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It seeks to classify and research on chemicals. A lab instrument that is used to carry out this research is the Fourier transform infrared spectrometer. The Fourier transform Infrared spectrometer gives an electromagnetic spectrum that is
chemistry
4 pages (1004 words) , Term Paper
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the periodic table; thus, making it build and possess certain significant characteristics for its operations such as being a highly reactive non-metallic element. Subsequently, oxygen is widely used as an oxidizing agent through its readiness to form compounds (in most cases
Introduction for lab report "Iron in Soil and Coal"
1 pages (251 words) , Essay
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Iron in the soil is a significant property that enhances healthy plant growth. The iron in the soil appears in form of precipitate after the absorption of the leached components in situ. The
critical thinking assignment
1 pages (251 words) , Essay
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Moreover, matter found in a different locality varies in composition, regardless of the chemical elements that make up its compound. The soil’s exposure to chemicals used for researching in the laboratory causes the difference in its composition. At home,
exp 5
3 pages (753 words) , Lab Report
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The resistance of a tin coated glass was measured using a multi-meter so as to identify the conducting surface. With the identified conducting side facing upwards, the glass was taped on three sides using the same thickness of tape. Fingerprints or oils were then wiped off
lab
1 pages (251 words) , Essay
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120). Qualitative analysis is done to identify elements in the sample used for the experiment. For this experiment, qualitative analysis was employed to establish whether or
CV personal statement with 2 page to answer
4 pages (1004 words) , Assignment
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energy changes for their hydrolysis, ADP, ATP and creatinine phosphate are expected to be better phosphate donors than glucose 6-phosphate and AMP, because the former three undergo hydrolysis that have more negative free energy changes than that of the latter two. This means
CHIRAL CHROMATOGRAPY
4 pages (1004 words) , Research Paper
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Enantiomeric compounds of the drug may differ in potency, behavior in biological systems and toxicity (Cretu et al., 315). It is preferable that only the active enantiomer of a chiral drug be
chemistre HW
1 pages (251 words) , Essay
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Each water molecule can potentially form four hydrogen bonds with the surrounding water molecules. There are exactly the right numbers of + hydrogens and lone pairs so that every one of them can be involved in hydrogen bonding ( Fox, Marye, and James Whitesell,
Kinetic of the catalytic decomposition of hydrogen peroxide
5 pages (1255 words) , Coursework
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Several factors such as quantity of reactants and environmental conditions affect hydrogen peroxide reaction. Varying the amount of manganese (VI) oxide for a constant quantity of hydrogen peroxide
experiment to determine the presence of a single nucleotide polymorphism in a gene
4 pages (1004 words) , Lab Report
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The SNP genomic distribution has no homogeneity. It always occurs in those regions that are non-coding. It has minimum occurrence in the regions that are coded. This is a case where the natural selection acts and fixes the SNP allele with favorable adaptation
Molar Mass of a Volatile Gas
2 pages (502 words) , Lab Report
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Thereafter, the volatile liquid was heated in a water bath. The flask was tilted slightly to make it easy to see when all the volatile liquid had vaporized. Subsequently, the temperature of the water bath was
the Chemical Detection of Cocaine-Contaminated Currency
1 pages (251 words) , Essay
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In this case, the intricate mixture is made up of the currency paper and cocaine. The main shortcoming of this great method is that it alone cannot recognize what the separated compounds
assignment for biochemistry
1 pages (251 words) , Assignment
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The chemical reactions that release energy are more likely to occur than those that absorb energy. This is because fixing energy in the constituent macroscopic parts of the
therapeutic polysacchraides
6 pages (1506 words) , Essay
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tive compounds, representing pathways to new clinical treatments for a variety of conditions as well as shedding light on the compounds’ roles in disease (Shao-Ping 2011, p.1420). Because of their unique composition and structure, the important role that polysaccharides will
How much Gas is Preduced?
2 pages (502 words) , Essay
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If it so happens, that in a chemical reaction one or more reactants or products are gases, gas laws must be considered for the calculation. The Ideal Gas Law states that; where P is the pressure (in atm), V is the volume (in Q), n
inhalants(toluene)
10 pages (2510 words) , Research Paper
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It is a substituted benzene derivative. It is an aromatic hydrocarbon commonly used for livestock and as a solvent. To test the presence of Toluene, different analytical methods are used, to identify and quantify the presence of Toluene. This paper
Thermochemistry Hess' law
5 pages (1255 words) , Lab Report
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Reaction one involved dissolving of sodium hydroxide in water; Reaction 2 involved reaction between sodium hydroxide and dilute hydrochloric acid; reaction 3 involved reaction between sodium hydroxide and hydrochloric acid solution. The use of Styrofoam
Hygiene and toxicology
6 pages (1506 words) , Assignment
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Other people who are at a higher risk of the exposure include trucking company workers and automobile operators. Such occupations involve using diesel powered machines. Studies show that about 1.35 individuals are exposed to the toxins in their work places in the
Fluorescence
2 pages (502 words) , Lab Report
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For reactions occurring in solutions, the solvent exerts an effect as a consequence of it being a condensed phase, with its molecules very close together even in case of a chemically inert medium (Arnaut, Formosinho and Burrows 225). In fluorescence quenching, a reaction takes
Organic chemistry: Polymers in dentistry and the tooth filling
8 pages (2008 words) , Research Paper
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Although many people of polymers as mere plastics used in making household objects and packaging, polymers have a variety of application in everyday life. Polymers and composites, i.e., materials that result from a combination of more than two
Benzene
2 pages (502 words) , Essay
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This paper discusses some of the physical and chemical properties of benzene, its uses and hazards. Benzene is a nonpolar molecule with a molecular weight of 78.11 g/mole. It is also known as benzol and mineral naphtha, and has a chemical reference number
Use your understanding of chemistry to answer the following questions
1 pages (251 words) , Essay
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In effect, this evaporation of the water due to a humid atmospheric temperature cools me down. Sweating is basically our body’s internal cooling system and can be likened to a car’s radiator which cools the engine when it
Lewis acid catalysts, eg. Fe3+, Ru3+, Zn2+, etc., for certain organic transformations.
3 pages (753 words) , Thesis Proposal
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The Lewis acid role in the reaction is critical as it determines the general reaction pathway by controlling the production and trapping of the intermediate cationic specie. In cases when the
Lab Chemistry Paper
6 pages (1506 words) , Essay
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Cyclohexanol is a secondary alcohol that undergoes dehydration by an E1 mechanism. This molecule is related to cyclohexane with replacement of one hydrogen atom of a hydroxyl group. The major intermediate of this
Polymerisation of alkenes
3 pages (753 words) , Essay
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In our daily life, oil is applicable in almost all sectors. One study showed that at least each year, about 18 million tonnes of crude oil are processed to form some synthetic material (Thompson and Manning, 1995). About 40% of all textiles require oil. In making CDs
chemical reaction paper
1 pages (251 words) , Essay
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The bleaching effect is achieved through oxidation or reduction process. The most commonly used bleach agents made of chlorine compounds decolorizes by oxidation. Oxidation refers to the process whereby the compound removes oxygen from one compound or
The Poisoning Needle
2 pages (502 words) , Essay
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There birds fed on small fish and bred on the shores. This behavior of the birds was unanticipated and instigated a wave of curiosity in the scientists and researchers. About two and a half decades later, in
Fuel Cells
4 pages (1004 words) , Essay
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The author of the text comments on the peculiarities of fuel cells. Notably, all fuel cells contain an anode, the positive electrode, a cathode the negative electrode and an electrolyte-a liquid that allows charges to move between the two sides of the fuel cell. And this electrolyte has to be in liquid form to reduce hydrogen molecule leakage via the container’s walls.
Literature Search/Review Assignment on The role of excipients in tablets
4 pages (1004 words) , Literature review
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ing or supporting, enhancing bioavailability, stability and acceptability of patients; help in identification of product, and facilitate the attributes of the overall effectiveness and safety of the product of drugs in storage.1 Excipients have also been cited as crucial
industrial production of aluminium from bauxite and recycling
5 pages (1255 words) , Essay
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Over a long period, the process of aluminum manufacture involved a cumbersome process that required lot of energy. The last century has however realized a tremendous turn around in this matter as today new
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