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Chemistry Essay

Therapeutic polysacchraides
In some people due to the lack of the enzyme lactase, a condition known as lactose intolerance occur and these people are allergic to milk and milk products. Maltose consists of two α-D-glucose molecules with the alpha bond at carbon 1 of one molecule attached to the oxygen at carbon 4 of the second molecule. It is also possible that α-D-glucose molecules connected through carbon number one in a 1α→1 linkage resulting in Trehalose on the other hand Cellobiose which is a tasteless
Pages: 9 (2250 words), Essay
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Interactions of hazardous materials
The blocks and the pieces of the wood and limber can be utilized to on the road to stop the traffic from to the spot of the accident. The concrete blocks and timber pieces can be placed vertically on the road to identify that there is some reason for closing the road. On the other hand, police department should be contacted to take control of the situation and properly close the road (United States Department of Labor, n. The more important step is to take advantage of the surroundings. Like
Pages: 4 (1000 words), Essay
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How Does The Drug Molly Work
Short for molecule, Molly is considered to be the purest MDMA, whereas Ecstasy is usually laced with caffeine, methamphetamine or other ingredients. The Drug Enforcement Administration finds that MDMA has a very high potential of risk, that is why the most controlled substance is and is not accepted in medical treatment (“Molly,” Powder or Crystal Form of MDMA, is Popular at Music Festivals).The drug is considered to be empathogenic of the phenethylamine and amphetamine classes. Molly
Pages: 4 (1000 words), Essay
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1 day diet diary
Fiber or roughage is generally well known for its ability to prevent constipation. Some of the other benefits of a fiber include :( mayo clinic, [online])Water is also vital in keeping one healthy; hence, I have to include it in my diet. Water helps in washing away waste products and poisonous substance (toxins) from our systems. It is so unfortunate that many people are dehydrated; this is can be attributed to the fact that they either don’t know or ignore the value of water in our bodies.It
Pages: 6 (1500 words), Essay
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Proton exchange membrane fuel cells
This idea was first coined by William T. Grubb of the General Electric Company in 1955. Currently, the most widely employed membrane electrolyte is DuPont’s Nafion. This is because it possesses good chemical and mechanical stability in the challenging proton exchange membrane fuel cell environment. Basically, the physical structure of the proton exchange membrane fuel cell comprises of seven components. These are feeding channels, diffusion layers, catalytic layer in the anode, membrane;
Pages: 20 (5000 words), Essay
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MEDICINAL COURSEWORK
It will be noted that the stomach’s acidic content has its special role that it plays in the stomach and has special compartments within the stomach specially designed to contain it (Hassan-Alin et l, 2000). For this reason, if the acidic content flows into undesignated places like the gullet, it causes uncomfortable reactions to patients involved. In most cases, it is the muscular ring found beneath the oesophagus that gets malfunctioning, resulting in the abnormal relaxation. Smoking and
Pages: 8 (2000 words), Essay
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Why transition metal ions are commonly utilized in redox enzymes
It is easily oxidized to ferric iron when subjected to small amounts of oxygen as a result the solutions formed are at times used as reducing agents. As such the ferrous ions normally have the octahedral geometry and a high affimnity for amine ligands. Examples such Fe2+ complexes include, hexacyano and hexaaquo Moreover, ferric ion (iron III) has an oxidation state of +3 ,and it is yellow-brown and acidic in nature as a result of the formation of [Fe(H2O)5 (OH)]2+. As such, they form blood red
Pages: 4 (1000 words), Essay
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Library Assignment - Total synthesis of any natural product
A five ringed species was then produced by cleavage of the benzyl ether through hydrolysis process. This product was then taken through oxidation process to produce aflatoxin B2.The first enantioselective total synthesis of aflatoxin B2 was first presented by Zhou and Corey in 2005. They began by tricyclic compound addition between 2,3-Dihydrofuran and a Quinone in the presence of a Corey-Bakshi-Shibata (CBS) catalyst. The products go to the second reaction in which there is orthoformylation in
Pages: 5 (1250 words), Essay
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Clinical biochemistry lab report
Glycogenolysis occurs in muscle cells when there is an immediate requirement for energy; it also occurs in the liver when there are low levels of blood glucose. Pancreatic alpha cells release glucagon so that glucose enters cells slowly, thus there is an increase in breakdown of glycogen in the liver. Gluconeogenesis, which mainly occurs in the liver, is the pathway for producing glucose from non-carbohydrates molecules, such as lactate, amino acids and glycerol (Stephen et al.Blood glucose
Pages: 12 (3000 words), Essay
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Stereolithography and photo polymerisation
The above description is based on a construction using the laser lithography (Stereolithography) but this can be achieved, also, using other technologies such as the Photo – Mask technology. The creation of objects using these technologies is based on the principle of Photopolymerisation. This section of the paper is dedicated to provide in - depth research on the principal of operation of Photopolymerisation.Photo – induced polymerization, otherwise known as Photopolymerisation involves
Pages: 8 (2000 words), Essay
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Protective equipment
However, the SO2 and SO3 blower continued to feed the system because it was steam powered. This continued for several minutes until a high temperature in the absorbers were noticed by the workers. Unfortunately the temperature values showed by the absorbers were within the safe range of operation of the system (Ness, 2004). At this time, the acid recirculation pumps were restarted showing abnormal pH values, alarming the workers who then shut down the SO2/ SO3 blowers. Investigations showed
Pages: 4 (1000 words), Essay
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Harer Process
The Haber process has helped achieve new realms in Agriculture through; increasing food production, helping in the balance of the Nitrogen Cycle (Fullick & Fullick, 2001). However, it has its repercussions as the process requires a lot of energies to realize and the fertilizer produced cause pollution during runoff. It also has a negative effect on soil together with the soil microbes.The Haber Process is a combination of Nitrogen obtained from air and methane derived hydrogen to form ammonia.
Pages: 4 (1000 words), Essay
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Lab Chemistry Paper
When more than one elimination product can be formed, the more substituted alkene becomes the major product, which is obtained by removing a proton from the adjacent carbon that has fewer hydrogens (Schlosser, pp153-189). The more substituted alkene is the major product because it is the more stable alkene; therefore, it has the more stable transition state leading to its formation. Alkenes can also hydrate; that is the addition of water in the presence of an acid catalyst (Williamson &
Pages: 6 (1500 words), Essay
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Buffers and Buffer Capacity
Put the solution of HCl and measure the value of pH during the stirring process. By use of a burette, add contents of 0.5ml increments of the NaOH titrant then make recordings of the pH and the volume of the base added. For the stable recording, we waited for few seconds for the pH meter in order to acquire most accurate results. We began by adding two drops of NaOH into Each of the acid beaker after observing abnormal increase in pH value. We stopped when the pH meter read (9. We repeated the
Pages: 4 (1000 words), Essay
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The nobel prize
Cells constitute the primary basic component of living organisms. Cells, therefore, have created interest among various scientists as they strive to comprehend the actual components of living organisms. In 1873, Ernst Abbe, a microscope specialist estimated the physical maximum limit of a traditional optical microscope resolution limit to be 0. William Moerner, Stefan Hell and Eric Betzig won the awards in chemistry as they were able to bypass the estimated limit. As a result of their
Pages: 4 (1000 words), Essay
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Chemical enginneering
Is that CO2 is the only component that will be absorbed by water, so the amount of methane that comes out of the absorption tower will be the same as the amount of methane comes into the tower. The CO2 absorbed by water cant be obtained from the mixture for commercial purposes. Based on this situation, product revenue can be determined by multiplication of the price of each product by the number of moles of methane in the feed. (Shown in Table 1.The 1” Rashig rings, or the packing material,
Pages: 4 (1000 words), Essay
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Chemical sensor
Moreover, it has increased confidence of both patients and health professionals towards a possibility of overcoming the deleterious disease.Essentially, the ability of amperometric glucose sensors to determine accurately the level of concentration of blood glucose has caused a revolution in health care. Accurate determination of glucose levels within the blood has lead to improved health services within the community. The foremost importance of amperometric glucose sensors relates to
Pages: 12 (3000 words), Essay
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Mass-spectrometer (another copy) 3
Lastly, the ions that have a specific mass to- charge ratio are noticed by a sensor device which can tally the quantity of ions arresting it that have assigned the fixed-curved radius of twist due to the practical magnetic fieldParticles with mass-to-charge proportions which are either too big or too minor strike the edges of the analyser cylinder and do not touch the detector. So, either the accelerating power or the magnetic flux is endlessly diverse in order that all of the ions formed in
Pages: 12 (3000 words), Essay
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OZONE DEPLETION
As do chlorine atoms and chloro-fluoro carbons (Columbia University n.Ozone is an unstable chemical and easily dissociated into oxygen molecules, in the presence of catalysts. It also has a short half life and therefore dissociates independently to characterize depletion. This means that its continuous formation and minimal chemical dissociation are necessary for stability in its volume. Ozone is also soluble in water and the solubility is a factor of both temperature and concentration. it its
Pages: 5 (1250 words), Essay
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The Chemistry of an industrial process and its environmental impact
Once the alkene has been obtained, polymerization is carried out to form different products. Polymerization mainly results into long-chain molecules called polymers. Polyethene, for example, is formed through additional polymerization of ethene. The action is as shown below and takes place at 200oC and 2000 p.Plastic pollution in the ocean has raised concerns for quite a while, and research has shown that some forms of plastic undergo decay and produce toxic chemicals such as Bisphenol A
Pages: 4 (1000 words), Essay
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