Anomalies of Water
Anomalies of Water Chemistry Essay
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The uniqueness of water’s high cohesion is directly associated with its molecules, which has very strong attraction forces between them. Knowing that water molecules are formed by two hydrogen atoms and one oxygen atom makes the
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Lasers
Lasers Chemistry Essay
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The word LASER is an acronym for Light Amplification by Stimulated Emission of Radiation. Albert Einstein first identified the natural process constituting the stimulated emission of radiation of laser beams
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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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N-Bromosuccinimide (NBS) is the reagent used commonly for this type of bromination as it provides a low concentration of molecular bromine. Each molecule of hydrogen bromide that is formed is converted into Br2 by NBS (Carey and Sunberg 371).
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My element / Chemical disaster
My element / Chemical disaster Chemistry Essay
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it reacts violently with water to give off hydrogen gas. It also reacts with acids and all non-acid metals like fluorine, nitrogen, chlorine and sulphur (Johnson, 2007, p73). This element in the human body helps in improving the normal
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Qualative Analysis Lab Report
Qualative Analysis Lab Report Chemistry Lab Report
5 pages (1250 words) , Lab Report
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The hypotheses set in this experiment were based on the specific cation being tested and it was proven null if the color concurred with the
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Sir Walliam Ramsay
Sir Walliam Ramsay Chemistry Essay
4 pages (1000 words) , Essay
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29). His uncle Sir Andrew Ramsay was the famous geologist. After completion of early education at Glasgow Academy, Ramsay attended the University of Glasgow under the supervision of known chemist Thomas Anderson. He did his
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Distillation and Gas Chromatography: Separation of Hexanes and Toluene
Distillation and Gas Chromatography: Separation of Hexanes and Toluene Chemistry Lab Report
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The methods utilized in the experiment involved precise raising and falling of temperatures at specific temperature ranges to obtain three
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Soil concentration
Soil concentration Chemistry Essay
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Cac2+ is an important mineral nutrient in soil for plant life, but is harmful if in excess. The main cause of soil salinity can be attributed to the water management practices used on a given soil
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Assessment
Assessment Chemistry Assignment
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Larger particles get stuck in the mucosal layer and cilia lining the upper trachea. This mucous upon swallowing becomes a part of the digestive tract thus the feeling of nausea. The remaining comparatively smaller particles
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Introduction ((((Fluoride in Tea sample))
Introduction ((((Fluoride in Tea sample)) Chemistry Essay
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A reference electrode is used in conjunction with the ion selective electrode to measure the potential using an electrometer or pH meter. The Nernst equation relates electrode potential to the logarithmic concentration of the
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Analytical Method
Analytical Method Chemistry Essay
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One of the core aspects asserted is that OGSR provides a platform for succinct evidence in clarification of elemental profiles particularly in a case where
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Absorption Spectroscopy
Absorption Spectroscopy Chemistry Lab Report
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Comparing it with the LD50 (6-10g/kg body weight), it was found that the level of Allura Red dye in the water is within normal levels. Absorption spectroscopy is an important analytical tool that is
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Catalysis and catalysts
Catalysis and catalysts Chemistry Essay
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Un-catalyzed and catalyzed reaction main deference is that there is a difference on their activation energy, there is no effect on the products or reactants energy. The reactions ΔH is
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SOP of Nitrogen Purging of the Agilent Carey 5000 UV-Vis NIR Spectrophotometer
SOP of Nitrogen Purging of the Agilent Carey 5000 UV-Vis NIR Spectrophotometer Chemistry Research Paper
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ns are meant to ensure: health of the operators is not put at any risk and that they have adequate knowledge to undertake the process; procedures go on in a systematic manner without failures. (Mannan, 2005) The scope of this Sop covers the Nitrogen purging of the Agilent Cary
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Synthesis of Aspirin
Synthesis of Aspirin Chemistry Research Paper
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The reflux condenser was removed after 3 minutes to allow all the produced acetic acid to evaporate. The reaction mixture was cooled in an ice bath, and water was adder to assist crystal formation. The obtained
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Interactions of hazardous materials
Interactions of hazardous materials Chemistry Essay
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To begin with, I will seek to identify the Blue Dangerous When Wet Placard with class 4 label code and UN 1836. From my knowledge and experience, the chemical may either be fulvic acid or humic acid. Secondly, I will ensure that I
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EnERGY WEDGES
EnERGY WEDGES Chemistry Lab Report
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Our energy wedge proposes simple ways of reducing carbon emission while at the same time ensuring efficient use of carbon energy. The cheapest means of cutting carbon emission is by use of renewable resources, which is indicated by green in our energy wedge. The
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Final Question 1
Final Question 1 Chemistry Essay
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Conversely, in solid the molecules are normally joined together hence not mobile. Within liquid it is normally rare for oxygen gas to penetrate thus the surface layer are commonly
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Fine chemical production
Fine chemical production Chemistry Essay
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The chemical compound is less dense than water, insoluble in water but soluble in diethyl ether, ethanol and mineral oil. In addition, as an aldehyde, cytral is normally involved in polymerization and self-condensation reactions. These reactions are generally
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ENERGY WEDGES
ENERGY WEDGES Chemistry Lab Report
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Research indicates that the earth’s atmosphere currently contains about 800 billion tons of carbon as carbon dioxide. The increasing emission of carbon dioxide and other greenhouse gases in the atmosphere is mainly attributed to production of
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MSDS Project
MSDS Project Chemistry Essay
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In addition, I needed to know whether since its discovery in 1659 industrialists use it in bulky form or disintegrate it into smaller components using other reagents to get what is useful for diverse purposes in the industry. Since its discovery, NH4NO3 was majorly
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Quantification of reducing sugar in wine
Quantification of reducing sugar in wine Chemistry Lab Report
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A deionized water blank is run and the results of the sample titration and blank are compared. 5. The winemaker might want to know the amount of sugar remaining in wine as it nears the fermentation process
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Hydrogels
Hydrogels Chemistry Essay
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They swell in waters and can absorb a large volume of water; this can only be compared to a couple times the volume of dried gel. There are a number of environmental factors that tap
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Experiment 8 formal report
Experiment 8 formal report Chemistry Lab Report
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This lab report covers on quantitative analysis of copper in a penny. Conventional quantitative procedures include preparation of reference and sample solutions. A UV-Visible spectrometer will
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Understanding the Biochemistry of BSE
Understanding the Biochemistry of BSE Chemistry Essay
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These forces occur between side chains of individual amino acids to facilitate a stable structure. Hydrophobic Interactions: These are weak interactions that occur when hydrophobic side chains of amino
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Chemical compound
Chemical compound Chemistry Essay
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The widespread use of the mineral spirit especially in painting poses significant health risk to the people. This compound has fumes that are readily inhaled by an individual when using
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Lab report
Lab report Chemistry Lab Report
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For this experiment a cuvette, calorimeter, and a color of your choice for the dye solution, A.To begin the experiment, clean the cuvette. Wash out the cuvette three times with water, and then three times with solution. Once
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Prpperties of an element
Prpperties of an element Chemistry Essay
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You will submit the softcopy (attachment) to [email protected] This table should be typed. You may use any sources you wish (books, periodicals, Internet sites) to collect the data but these sources must be properly cited and the references
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Drug Zafirlukast/bioavailability
Drug Zafirlukast/bioavailability Chemistry Essay
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Drug absorption depends on degradation, diffusion, transport and permeability factors of the drug which in turn influence its
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Eco-friendly textile production
Eco-friendly textile production Chemistry Research Paper
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The company has resolved to make jeans that have as little impact on the environment as they possibly can make. This is through the use of organic
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Org chemistry drawing assignment
Org chemistry drawing assignment Chemistry Coursework
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Such interactions are unfavorable because both methyl groups and hydrogens try to occupy the same space, which leads to destabilization of the molecule. This destabilization is expressed in a value of several kJ/mole.
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Synthesis of Gold Particles and Their Use for Chemical Sensing
Synthesis of Gold Particles and Their Use for Chemical Sensing Chemistry Assignment
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The use of nitrates prevents the growth grow because of the negative charges of the gold that covered the upper part. Addition of the solution into melamine makes the layer jackets to fade. This effect
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Organic Chemistry Testing Markovnikovs Rule
Organic Chemistry Testing Markovnikov's Rule Chemistry Lab Report
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dded to an alkene, the hydrogen acid (H) becomes attached to the carbon that has less alkyl substituent, whereas the halide (X) group becomes attached to that carbon with increased alkyl substituent. This clearly implies that the atom of hydrogen is added to the carbon
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ENERGY WEDGES
ENERGY WEDGES Chemistry Lab Report
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Our group chose reduction of carbon emission by half in the next 50 years. The group members agreed unanimously that use of renewable sources for energy production forms the basis of carbon reduction by half. Use of nuclear energy
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You choose the topic
You choose the topic Chemistry Research Paper
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Rare earth elements are grouped into two major categories; the first category belongs to a group called lanthanides which contains 15 of the rare earth elements. The second
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Written Report for Professor in Chem Department (new gas-phase ion chemistry and mass spectrometric )
Written Report for Professor in Chem Department (new gas-phase ion chemistry and mass spectrometric ) Chemistry Essay
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iving Bachelor of Science in chemistry from Lanzhou University in 1999 and subsequent master’s degree in organic chemistry from Shanghai Institute of Material Medica Chinese Academy of Sciences, she moved to Purdue in 2002. Here she joined professor Scott McLuckey’s research
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John Dalton's Atomic Theory
John Dalton's Atomic Theory Chemistry Essay
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It was early Greeks who tried to analyze and explain nature. In about 460BC, Democritus, a Greek philosopher first introduced the concept of matter. However after this, the theory almost laid dormant till in 1803, John Dalton proposed his
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Kinetic lab report
Kinetic lab report Chemistry Lab Report
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On mixing a solution of acid, such as HCI, and a thiosulfate solution, there is an initial time-delay, then a precipitate of sulfur appears fairly sharply. The time interval
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Molecular Fluorescence Analysis of Proteins
Molecular Fluorescence Analysis of Proteins Chemistry Lab Report
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Fluorescence occurs when an excited molecule goes back to the ground state by photon emanation. Conversely, phosphorescence occurs when the excited electron
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Physical Chemistry Lab Report
Physical Chemistry Lab Report Chemistry Lab Report
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There have been studies on performance of solid state oxygen sensors before with emphasis on other metals and materials in construction and calibration. This paper, however, focuses on the use of silicon rubber as the main material in construction and
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Critical Thinking Assignment
Critical Thinking Assignment Chemistry Essay
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These in turn determine the physical tendencies of the metal. The periodic table presents these differences. Compounds are arranged such that elements with common chemical properties and reactions belong in
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Hazardous Materials to the First Responders: the General Public
Hazardous Materials to the First Responders: the General Public Chemistry Research Paper
4 pages (1000 words) , Research Paper
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The identification would be based on either the hazard class 2.3 or 6.1 on the shipping paper or the label for POISON Inhalation Hazard. A white POISON GAS placard or a white POISON INHALATION HAZARD placard displayed on each side, and each end of the vehicle transporting the toxic substance is also critical to the identification process.
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Pre-lab paper
Pre-lab paper Chemistry Essay
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Allow about 5 minutes of reaction. Record your observations. The contents of test-tubes A & B were centrifuged to obtain the solids. Half of the supernatants from A & B were transferred to A1, A2 and B2, B2 respectively. The precipitates in A & B were washed using 4ml of
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Chemical composition of latent fingerprints using GC/MS
Chemical composition of latent fingerprints using GC/MS Chemistry Essay
3 pages (750 words) , Essay
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The detection and chemical characterization of such impressions made on surfaces can be done using the concept of GC-MS machine. In addition, quantification is possible through the use of the Mass spectrometry method. It would not be possible to
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Energy Wedges
Energy Wedges Chemistry Lab Report
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The most affected areas include Africa yet they are the least producers of carbon in the atmosphere. It is for this purpose that we formed a group of three students to
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Profile Toxicology
Profile Toxicology Chemistry Term Paper
13 pages (3250 words) , Term Paper
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It is highly ductile and very malleable, resistant to corrosion and has a low melting point (327.35 º C). It is also a poor conductor of electricity (ATSDR., 2008) Naturally, Pb is a mixture of four isotopes: 208 Pb (51-53 %), 206
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Advanced Criminalistics: Trace Evidence
Advanced Criminalistics: Trace Evidence Chemistry Assignment
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The trace evidence also was critical in identifying that the victim was actually at the scene. The fact that the evidence from the victim matched with that collected from the scene confirms an indubitable link amid the two. Trace evidence
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Philadelphia Snacks Breadsticks
Philadelphia Snacks Breadsticks Chemistry Essay
3 pages (750 words) , Essay
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Energy is basically the measurement of the amount of energy a food item produces when metabolized by the body (Kirschmann, 2007). Carbohydrates are composed of the elements carbon, hydrogen, and oxygen and are the main source of energy in the human body. Energy in the form of heat is produced when carbon combines with oxygen in the bloodstream.
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Environmental health and safety/ interaction of hazardous materials
Environmental health and safety/ interaction of hazardous materials Chemistry Essay
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Butyl ethyl ether, with melting point of -124°C and boiling point of 92.2°C at 1 atm, is known to be a moderately toxic substance upon ingestion and an irritant to skin and eyes upon contact or inhalation.
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Research Paper IV
Research Paper IV Chemistry Research Paper
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(2010) has potential carcinogenic and cytotoxic effects. A study by the authors on the effects of the substance on the liver was done, experimenting on rats. In the study, using 18 albino rats for a divergent period of three groups clearly indicated that
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