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Pyrolysis of Aryl Sulfonate Esters in the Absence of Solvent: E1 or E2
Pyrolysis of Aryl Sulfonate Esters in the Absence of Solvent: E1 or E2
2 pages (500 words) , Assignment
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The gas is needed pure and so, the liquid sample acts as impurities commonly referred to as ghost peaks. 5. Thermal conductivity detectors work by sensing the changes in thermal conductivity of the column
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Density Lab
Density Lab
1 pages (250 words) , Lab Report
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ich falls within the theoretical range of 0.35 – 0.67 depending on the class of pine (which in this case is near the value of kind radiata at 0.48). Similarly, the experimental density of oak which is 0.75 g/ml is well within 0.6 – 0.9 and closest to the true values 0.74,
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Compare and contrast thermodynamics and kinetics
Compare and contrast thermodynamics and kinetics
1 pages (250 words) , Essay
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These relationships must be experimentally determined so as to specify the system’s properties. On the other hand, kinetics deals
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Exponential Decay of a Transition Metal Complex Ion
Exponential Decay of a Transition Metal Complex Ion
2 pages (500 words) , Lab Report
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High temperatures increase the rate of collision and thus speeding up the rate of decay in transition elements. At normal temperatures microorganisms are able to survive and thus speeding up the
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Discovery of electrons(J,J Thomson)
Discovery of electrons(J,J Thomson)
3 pages (750 words) , Essay
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J.J Thomson discovered the electron in 1897 and set the basis of forming a detailed model of the atom.. His areas of interest included conduction of
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Aldehydes:C2H4O
Aldehydes:C2H4O
2 pages (500 words) , Research Paper
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Most of the aldehydes feature a pleasant odour. Principally, they are derived from alcohols through dehydrogenation (the process of removal of hydrogen). It is this process that the name aldehyde originated. The
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History of penicillin
History of penicillin
2 pages (500 words) , Essay
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In general, antibiotics are natural substances discharged by fungi and bacteria into their surroundings, as a means of restraining other organisms. This paper will discuss the history of penicillin from its discovery, development and
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Aspirin
Aspirin
2 pages (500 words) , Assignment
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Even though the discovery or isolation of Aspirin took place in 1897 through a German chemist; Felix Hoffmann, many scientists worked behind the curtain from 1826 onwards to identify a pain relieving drug. In 1828, Johann Buchner, professor of
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The development of petroleum refinery
The development of petroleum refinery
2 pages (500 words) , Essay
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While Romania is recognized to have built the first large petroleum refinery in Ploesti, the refining of crude petroleum is greatly attributed to the
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Conservation of mass during a chemical change
Conservation of mass during a chemical change
5 pages (1250 words) , Lab Report
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In the first set up, sodium carbonate was reacted with calcium chloride. From our knowledge of chemical reactions we know that when you react the two the
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Determination of conductance of various solutions
Determination of conductance of various solutions
2 pages (500 words) , Assignment
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From the data obtained it was clear to categorize the solutions in the experiment according to their conductance values. The solutions whose ions dissociate fully in aqueous solution produced the highest conductance while those that dissociated partially gave lower conductance and hence were classified as strong and weak electrolytes respectively.
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Introduction
Introduction
1 pages (250 words) , Essay
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Alcohols (e.g. ethanol) react reversibly with carboxylic acids (e.g. Propionic acid) to produce esters (e.g. ethyl propionate) and water (H2O). The reaction mechanism: involves protonation of the oxygen of the carbonyl group, allowing
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Personal profile about Roger Tsien who is biochemist
Personal profile about Roger Tsien who is biochemist
5 pages (1250 words) , Essay
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nature of biological molecules found in the cellular level, the task of studying cells even with the use of microscopes is a tedious task because of the tedious differentiation of biological molecules from each other. Biosensors have been a boon for scientists as they have
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Balance lab
Balance lab
1 pages (250 words) , Lab Report
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To do this, drag the beaker by left clicking on it below the first balance which contains the copper slug. Now right click on the first balance and select pour/decant. The copper slug will drop into the beaker. To measure the total mass of the beaker and the
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Lab biochemistry
Lab biochemistry
2 pages (500 words) , Coursework
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All of these graphs have absorbance (340nm) on the y-axis and Time (min) on the x-axis. The graphs were drawn individually however due to a great deal of overlap in the data, it was better to
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Why americans will believe almost anything
Why americans will believe almost anything
1 pages (250 words) , Essay
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Canned new releases, the language of spin, and the use of trigger words, has influenced the truth and honesty that should be there when events are interpreted. As the sources of news commentary have increased over the years, the transparency
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Research methods and Skills
Research methods and Skills
4 pages (1000 words) , Essay
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It is now considered as one of the most widely produced chemicals worldwide, with more than 6 billion pounds produced and 100 tons released in the atmosphere, annually.1 Unfortunately, it has
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Standardisation Of 0.02moldm-3 Potassium Permanganate Solution Using Ferrous Ammonium Sulphate (Ammonium Iron (Ii) Sulphate)
Standardisation Of 0.02moldm-3 Potassium Permanganate Solution Using Ferrous Ammonium Sulphate (Ammonium Iron (Ii) Sulphate)
3 pages (750 words) , Lab Report
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The main objective of this experiment is to standardize i.e. find the exact concentration of Potassium Permanganate Solution. The concentration is expressed in Moles per litre (M). A 0.02moldm-3 is prepared and its exact molarity determined by titration.
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Biofuel Synthesis Project Proposals
Biofuel Synthesis Project Proposals
4 pages (1000 words) , Essay
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One example of biofuel currently gaining popularity in the market is biodiesel. Based on this fuel’s properties in terms of emissions and price, biodiesel is becoming attractive to car and truck owners.
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RATEOFDECOMPOSITIONOFHYDROGENPEROXIDE
RATEOFDECOMPOSITIONOFHYDROGENPEROXIDE
2 pages (500 words) , Lab Report
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From these graphs, it was possible to determine the rates of the reaction. Hydrogen peroxide decomposes to H20 and O2 and the process is highly exothermic. The rate of decomposition of hydrogen peroxide
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Nuclear power
Nuclear power
6 pages (1500 words) , Research Paper
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The latest and short term solution which is considered these days is the use of nuclear power. Nuclear energy is best utilized to the middle and high scale of generation of electricity. In 1939, Nuclear energy was introduced with the discovery of nuclear fission. The major
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EnERGY WEDGES
EnERGY WEDGES
2 pages (500 words) , Lab Report
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ons wishes to come up with the best energy wedge that can be implemented and reduce carbon emission by half in the next 50 years or maintain the current rate holding it constant for the same number of years (Levy, A 2020 Low Carbon Economy). It is not easy as it sounds but it is
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Energy Generation and conservation in Fuel Cell
Energy Generation and conservation in Fuel Cell
4 pages (1000 words) , Essay
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According to the text, global warming is a steady rise of the world temperature which causes melting of the North and South Pole regions causing rising of the sea tides. That's why fuel cells have a great advantage as compared to other traditional sources of energy for they are more efficient and cause less pollution of the environment.
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Determination of the relative proportions of caffeine and aspirin in proprietary analgesics by gas chromatography-mass spectrometry (GC-MS)
Determination of the relative proportions of caffeine and aspirin in proprietary analgesics by gas chromatography-mass spectrometry (GC-MS)
2 pages (500 words) , Coursework
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concentration from peak area is 1.045 and that for the sample concentration from peak height is 0.938 there is only a very small difference of 0.107. The magnitude of this error rate difference is insignificant. The objective of this experiment is met. The concentration of the
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Testing Old Cathodic Protection on Ohio Bridge Decks
Testing Old Cathodic Protection on Ohio Bridge Decks
1 pages (250 words) , Essay
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It is also not known whether the method affects the durability of the bridges. The corrosion method being tested is impressed current cathodic protection (ICCP). A titanium mixed metal oxide is employed as an anode, which is applied on the upper
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Undergrad research (Sonicator)
Undergrad research (Sonicator)
2 pages (500 words) , Research Paper
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Ultrasound refers to sound waves that have higher frequencies in comparison to the human ear. Ultrasound usage is divided into two including the high frequency and low
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Material Science
Material Science
2 pages (500 words) , Essay
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Thin films represent an example of a nano-structural material, which has been applied in the film industry and also in the manufacture of electronics, to offer the monolayer
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Lab rebort
Lab rebort
2 pages (500 words) , Essay
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The selected method for this experiment uses the first law of thermodynamics. This formula was necessary for determining the temperature of heated water. Based on this formula, the temperature of a substance can be
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Chemistry
Chemistry
1 pages (250 words) , Download 1 , Coursework
For example, most enzymes are sensitive to pH and temperature. The same is true for some catalysts such as manganese salts that are pH sensitive and heat sensitive, requiring controlled conditions to work.
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About chemistry
About chemistry
3 pages (750 words) , Essay
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part of wine production, and with more than 5000 varieties being cultivated, it is very crucial that the process of wine making be as versatile as possible. Chemistry has been a part in the production of wine, and in its research and development. Wine makers use chemistry in
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Formation of Isoamyl Acetate
Formation of Isoamyl Acetate
1 pages (250 words) , Lab Report
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The mixture was stirred for 2 minutes after which a catalytic amount of sulphuric acid was added. The reactive mixture was refluxed for 15 minutes under
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Calibration of Glassware
Calibration of Glassware
2 pages (500 words) , Lab Report
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Then fill the pipette/burette with water till the water reaches the mark on the burette/pipette. Thereafter, transfer the measured water into the canonical flask. Now weigh the canonical flask when it is filled with water. Repeat the
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Rewriting an introduction for a chemistry paper
Rewriting an introduction for a chemistry paper
1 pages (250 words) , Essay
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A number of activities, writing guide, and assignments have, thus resulted from these efforts. Some of these activities advance writing as a tool for developing critical thinking skills and learning chemistry while others provide guidelines to
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Horseradish peroxidase assay
Horseradish peroxidase assay
6 pages (1500 words) , Lab Report
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They only change the rate of reaction (Kovarik & Allbritton, 2011). The structures of enzymes comprise of a globular protein and a cofactor. The bonds holding the proteins in their structures are affected by temperature and pH changes. Such changes affect the
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Analytical chemistry assignment 12 questions
Analytical chemistry assignment 12 questions
5 pages (1250 words) , Essay
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An analyte can be defined as the substance or component that is of interest in a chemical analysis procedure. It is the chemical constituent that is being measured. A matrix, on the other hand, can be defined as the chemical components of a
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ICP-AES
ICP-AES
3 pages (750 words) , Lab Report
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And there was no change observed when using increased RF power as well. A good reduction of S/B was observed when operating with high nebulizer flow rates eg: for compounds like Mg, Cr and P [at a wavelength of 213.617]. Approximately 10.9 –
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Research paper on radiation
Research paper on radiation
2 pages (500 words) , Research Paper
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In other words, radiation can be electromagnetic or particulate. Examples of electromagnetic radiation are x rays and gamma radiation whereas examples of particulate radiation are alpha radiation and beta radiation. The nonionizing
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Vitamin C face lotion
Vitamin C face lotion
1 pages (250 words) , Essay
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It is a widely known preservative and antibacterial chemical in skin creams and cosmetics. The figure below highlights and shows the figure representing the molecular structure of the above named compound. The compound’s molecular formula is C8H10O2, and
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Lab report (Should we mine this ore)
Lab report (Should we mine this ore)
3 pages (750 words) , Lab Report
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For instance, the metal of interest was copper and its amount in the ore sample taken from the site was to be determined. Chemists usually analyze the rock samples to find out if the underground deposits are economically feasible
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OOS-Deviation assignment detecting the presence of diethylene glycol in toothpaste by thin layer chromotography
OOS-Deviation assignment detecting the presence of diethylene glycol in toothpaste by thin layer chromotography
1 pages (250 words) , Essay
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Sparkle Super-Whitening Toothpaste. The SOP, QC 141.10 vividly describes the procedure associated with this process (Ahuja & Scypinski, 2011). The SOP states that there are three main solution required during this experiment: A mixture in the ratio of 85:10:5 of
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Physical Lab - Experimental Plan
Physical Lab - Experimental Plan
2 pages (500 words) , Essay
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Several factors affect the function of this technique a few of which are temperature, infusion time and stirring. One main problem experienced in this technique is the
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Effects on humans and environment by acid rain
Effects on humans and environment by acid rain
1 pages (250 words) , Essay
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This paper explores effects of acid rain. Acid rain damages the environment and human health. The rain affect humans, indirectly, through the foods they consume and their derived water vapor affects people, directly, when inhaled. The vapor
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Physical Chemistry Lab Report
Physical Chemistry Lab Report
7 pages (1750 words) , Lab Report
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This paper looks into the experimental procedure, findings and discusses the findings from generation of the light using two quenchers. Quenching of luminescence occurs when impurities are added to a phosphor ,when
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Gleevac
Gleevac
12 pages (3000 words) , Essay
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Its molecular formula is presented as C29H31N7O • CH4SO3 with molecular weight 589.7. The structural formula is as figure 1[11] Chemical designation is 4-[(4-methyl-1-poperazinyl) methyl]-N-[4-methyl-3-[[4-(3-pyridinyl)-2-pyrimidinyl] amino]-phenyl] benzamide
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Hydrogen as alternative energy
Hydrogen as alternative energy
4 pages (1000 words) , Essay
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Some decade’s age, a Nobel Prize winner biochemist, Szent-Gyorgyi enlightened the world about the extensive advantages of hydrogen use and declared it even more important than oxygen for the existence of human race on this planet. Body water acts as a fuel to burn oxygen and hydrogen for the sake of producing energy.
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Determination Of Nitrate Ion In Treated Wastewater Effluent
Determination Of Nitrate Ion In Treated Wastewater Effluent
1 pages (250 words) , Lab Report
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Errors in experiments influence the expected results thus causes changes in values of the data obtained at the end of the study. Most errors especially in the laboratory set up, arise from mistakes in measurements. A laboratory consists of various equipment which, when used improperly result to errors.
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Topic in Environmental Chemistry
Topic in Environmental Chemistry
2 pages (500 words) , Essay
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However, due to industrialization, the once beautiful river is now polluted and dangerous to human health due to PCBs (Manning). PCB or polychlorinated biphenyls, is made up of 209 individual chlorinated biphenyl rings
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Inorgnic Synthesis
Inorgnic Synthesis
4 pages (1000 words) , Lab Report
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During the experiment, it entailed carrying out other tests with the intention confirming essentials chemical ions in the products. These essential chemical ions included K+, Al3+ and SO42- but
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Physical Chemistry Lab Report
Physical Chemistry Lab Report
5 pages (1250 words) , Lab Report
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In alloys, the physical properties of strength, corrosiveness and conductivity are determined by composition of transition metals and trace elements like carbon and manganese. In application, precisely determining the quantity of a transition metal in steel is
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Experiment 5
Experiment 5
4 pages (1000 words) , Lab Report
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Thus, there is a need to develop alternative renewable sources of energy such as the solar. In this experiment, a solar cell would be constructed for conversion of sunlight energy into electrical power for use in electrolysis of water. Even though
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