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Chemistry Essay Examples

This molecular promiscuity, a consequence of the uniquely small size and mass the proton, allows it to move through the solution by rapidly hopping from one H2 O molecule to the next,...
Pages: 6 (1500 words) , Lab Report , Chemistry
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The chemistry of food
Triacylglycerols are liquid (oils) at room temperature and are generally of plant origin. Their solid counterparts are from animals (fats). A process of extraction commonly determines food lipid content. However, the solvents affect the lipid content. Some methods that involve solvent extraction include Soxhlet, Goldfish,...
Pages: 6 (1500 words) , Coursework , Chemistry
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Chemistry and Society
 The crude oil first undergoes a fractional distillation process. One of the fractions called naphtha is the important element for the production of plastic. The two main processes that are used for the production of plastic are polycondensation and polymerization. The two processes require a...
Pages: 8 (2000 words) , Essay , Chemistry
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Physical Chemistry Lab Report
When silver chloride precipitate breaks down into its ions in sunlight, a small mass of precipitate will be recorded. The reaction below shows the decomposition. (2) AgCl(s) => (1/2) Cl2 (g) + Ag(s) After the decomposition, a violet color appears on the precipitate caused by accumulation...
Pages: 7 (1750 words) , Lab Report , Chemistry
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Green Chemistry Principles in 2020
The 80s and the world revived from the impending threat of witnessing a nuclear war, consequently, humanistic part of the scientific activism also witnessed that human arbitrariness over experimenting with nature has extended to such an extent that immediate measures, if are not adopted, then...
Pages: 12 (3000 words) , Essay
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Organic Chemistry: New methods for synthesizing peptides
In 1953, a graduate student named Stanley Miller from University of Chicago working under the supervision of Harold Urey carried out The Miller-Urey experiment that stimulated the early earths atmosphere. The experiment was conducted based on Alexander Oparin and John Haldanes hypothesis (Miller 1953).The major...
Pages: 18 (4500 words) , Dissertation , Chemistry
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Prenatal Screening (Prenatal Testing) in Clinical Chemistry Labs
Once the DNA are amplified, they are then used in clinical labs in process such as detection of viruses and bacteria and diagnosis of genetic disorders. In order to amplify DNA segments, the sample is heated for DNA denaturing and then the tag polymerase synthesizes...
Pages: 8 (2000 words) , Research Paper , Chemistry
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Organic Chemistry - Stereoelectronic Effects in Fuel Dehydrating Icing Inhibitors
Stereoelectronic effects are critically important in the reactivity of ester functional groups like ortho-esters. The primary stereoelectronic effects of ortho esters are particularly caused by the delocalization of electrons between the carboxylic group and the ethereal oxygen during the interaction between ortho esters and free...
Pages: 11 (2750 words) , Research Paper , Chemistry
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Technology of Nano-Scale Materials and still Preserving Its Past Chemistry
The researcher states that the knowledge and technology involved with the Nano-scale materials have origins as old as chemistry aforementioned. From the preparation of precious metallic colloids of unenlightened stain glass to Roman’s use of concrete, the advancement of these fibers exhibits the clear preservation...
Pages: 11 (2750 words) , Research Paper , Chemistry
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Emergency Action Data
The top three transportation incidents usually involved either corrosive or flammable liquids or poisonous materials. The 9 major hazard classes with their corresponding subclass are listed under Figure 1.6 and are discussed separately by chapter. Hazard classification is done using a color-coding scheme. It is...
Pages: 6 (1500 words) , Book Report/Review , Literature
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Females and Science GCSE'S
Helen Brown: Yes, I was advised not to take Chemistry because it could affect my grades. My peers advised me to select physics and biology instead because chemistry is more inclined to the male counterparts.Kate McAnton: The boys believed that girls were no capable of...
Pages: 8 (2000 words) , Dissertation , Education
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Current Applications and Development of Catalyst for the Synthesis of Highly Functional Organic Carbonates
Other variations of organic carbonates also exist. For instance, aliphatic polycarbonates are biodegradable and hence are medically important (4). They are also used as matrix materials, thermoplastic additives and films in addition to being used for the production of industrially important materials such as specialty...
Pages: 20 (5000 words) , Essay , Chemistry
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Information about Coursework Writing
Our writers make use of examples when depicting theories and the make use of the relevant theories when dealing with practical problems. Another aspect that we do not miss is the referencing styles. Our writers are specifically trained to tackle any kind of referencing and...
Pages: 49 (12250 words) , Essay , Education
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Practical Synthesis of Useful Substances Using Organocatalysts
These advantages make organocatalysts preferable in pharmaceutical processes. During the chemical reactions toxin produced usually influence usage of certain chemical process. Notably, organocatalysis has less impact to the environment. The condition for the reaction is relatively mild thus making organocatalysts preferable over metal catalysts. The...
Pages: 8 (2000 words) , Research Paper , Chemistry
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The Use of Le Chatelier's Principle in High Yield Commercial Chemical Processes
It is essential to note that a catalyst only accelerates a reaction by lowering the energy of activation. As the energy of activation is reduced, both forward and reverse reactions are equally favoured. So, there is no net effect on the reactant and product amounts....
Pages: 8 (2000 words) , Lab Report , Chemistry
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Functioning of Fireworks and Explosives
Chemical reaction hazards are associated with thermal runaway. The chemical reaction starts when the heat generated by a reaction exceeds the heat which can be removed to the surroundings. (Syms) The surplus heat increases the temperature of the reaction mass, which causes the reaction rate...
Pages: 6 (1500 words) , Research Proposal , Chemistry
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Water Ex-tractable Phosphate by Standard Spectrophotometric and Flow Injection Analysis Methods
 In order to calculate the concentration of the analyte, a calibration curve should be constructed, based on the absorbance measurement of at least four standards of known concentration in the appropriate range. It is important to mention, that it is not recommendable to extrapolate over...
Pages: 8 (2000 words) , Term Paper , Chemistry
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Corrosion Phenomena
Types of Corrosion Phenomena Generally, all types of corrosion interrelate but take varied forms: it could be uniform or localized or could combine with other attacks forming more undesirable effects. This has been described by Roussak and Gesser (2013) as corrosion phenomena, which refers to corrosion-causing...
Pages: 10 (2500 words) , Research Paper , Chemistry
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Is the Pursuit of High Grades Justified
In Barack Obama’s article “Our Kids, Our Future” identifies the weakness of American education. Obama pointed out that “by twelfth grade, our children score lower on math and science tests than most other kids in the world; and we now have one of the highest...
Pages: 7 (1750 words) , Research Paper , Education
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Research Project Proposal about Garlic
The Allium vegetables like garlic throughout history have been known to many scientists and researchers to have powerful medical properties that help to treat several infections. A good example is that a number of study shows a decreased risk associated with gastric cancer due to...
Pages: 6 (1500 words) , Research Proposal , Biology
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Generalization and Exception, Inductive and Deductive Reasoning
1. A robin is a bird. A bird is an animal with wings and feathers. Therefore a robin is an animal with wings and feathers. This is deductive reasoning as the researcher moves from the general observation of having the robin as a bird to...
Pages: 7 (1750 words) , Coursework , Logic & Programming
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A paper for oceanography based off of the book called The Eskimo and the Oil Man by Bob Reis
Reiss describes offshore oil exploration, which generally involves operations beyond three miles from the shoreline. This exploration has been especially facilitated by the continuous recession of ice at the coast of Alaska due to the changes in weather and climate patterns, a region that has...
Pages: 6 (1500 words) , Essay , Physics
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The use of pipettes;precision and accuracy
The common brand used in most laboratories is the PIPETEMAN that is commonly adjustable digital pipettes. The common models of this brand are most often used are P-20, P-200 and P-1000 that are recommend from volume transfers from 2 to 20 , 50 to 200...
Pages: 13 (3250 words) , Lab Report , Chemistry
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Explain the importance of the liver in detoxification/excretion and teh function of the immune, digestive, endocrine and cardiovascular systems and hence in hum
In simple terms the vascular function includes being a major blood reservoir, filtering over a liter of blood every minute. The liver effectively removes bacteria, endotoxins, antibody complexes and various other particles from the circulation.The liver is one of the most vital organs in the...
Pages: 8 (2000 words) , Essay
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Unknown compound
In determining the identity of unknown sample, a known compound or solution is subjected to the same tests as those of the unknown. The identity of the unknown is then determined by matching its characteristic reactions with those of the known samples. Anion analysis can...
Pages: 10 (2500 words) , Lab Report , Chemistry
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Work on Quantum Mechanics by John Von Neumann
This paper tells that Quantum Mechanics is a branch of physics which mainly relates to the nature of the atomic particles. The theories of Quantum Mechanics started to confront inconsistency when they were solely used with the principles laid down by Newtonian physics. One of...
Pages: 6 (1500 words) , Research Paper , Physics
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Supramolecular polymer based on hydrogen bonding
In both cases two purification attempts were made, both unsuccessful. On the other hand the same technique was applicable in purifying 4-(3-(3,5-bis(trifluoromethyl)phenyl)ureido)benzoic acid. This fact leads to the conclusion that purification method should be changed in case of the first two derivatives should the synthesis...
Pages: 8 (2000 words) , Essay , Chemistry
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Psychobiological Analyzes of Schizophrenia
Accordingly, as Mueser and Jeste (2008) portray, both family relations and the society are affected by the ailment, influenced by the fact that a majority of individuals suffering from the ailment are dependent on them. Those suffering from the ailment often are unable to take...
Pages: 7 (1750 words) , Admission/Application Essay , Psychology
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The electronic spectrum of iodine
From this analysis, it is observed that this model can only be applied in the gaseous or vapor state of iodine molecule. It is evident that a good estimation can be obtained only at the excited state of the vapor phase iodine with this model....
Pages: 8 (2000 words) , Lab Report , Chemistry
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Industrial Hygiene - Prophylaxis of Health Hazards at Workplace
Ergonomic agents exist as a relationship between man and the working environment.  It is the effect caused to a worker due to the joint work of man, machine and working environment.  As an example, certain demand at the workplace may cause mental and physical distress...
Pages: 15 (3750 words) , Term Paper , Management
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Internal Audit Advice to Prevent Security Attacks in Welco Insurance
All the companies rely on the standard rules model known as CIA which stands for Confidentiality, Integrity, and Availability. This three-tier model was a largely accepted component which was used to assess the risk of sensitive information. Confidentiality: Sensitive data to be made available only...
Pages: 14 (3500 words) , Case Study , Information Technology
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UltraChromSpec in the Part of the Spectrophotometry Business
The paper tells that the spectrophotometer has established itself to be the most flexible, dependable and broadly used of all the laboratory appliances, especially in the clinical chemistry. It has been observed that because of the heavy usage of the spectrophotometers, the laboratory working staffs...
Pages: 14 (3500 words) , Term Paper , Business
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Oil and gas paper
A move to construct private water wells under strong observation of Superfund was to ensure that the general population in the area is protected from lethal chemical that are suspected to be in the area.Buckman, the topmost pollutant of Galveston-Houston Yard is sludge and shallow...
Pages: 4 (1000 words) , Essay
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Strength of Building Materials
Plastic materials display properties that are unique when compared to other materials and have contributed greatly to the quality of our everyday life. The word ‘Plastic’ comes from the Greek "plastikos" meaning pliant or pliable. It described any substance capable of being shaped, deformed or...
Pages: 8 (2000 words) , Case Study , Architecture
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Forensic Material Identification Techniques, Quadrupole Mass Spectrometer
Generally, the operation principle of most of the analytical instruments used in modern forensic identification and analysis of materials function by changing some feature or property of the substance being tested, the analyte, into a photometric or an electronic form or signal, which a machine...
Pages: 8 (2000 words) , Coursework , Technology
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Ozone and Global Warming Potential
Human activities have led to changes in the atmospheric concentrations of several greenhouse gases, including tropospheric and stratospheric ozone and ODSs and their substitutes. These changes alter the radiative balance of the Earth’s atmosphere by changing the balance between incoming solar radiation and outgoing infrared...
Pages: 10 (2500 words) , Research Paper , Environmental Studies
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Portfolio for nutrition association register
1 Greater ability and knowledge to continuously reflection on and evaluation of own practice against best practice standards, guidelines and protocols to improve practice in the best interest of clients2 Greater ability in applying the Competence Assessment Tool to conduct personal assessment and allowing others...
Pages: 15 (3750 words) , Assignment , Health Sciences & Medicine
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Enzymess kinectic
Four main modes of reversible enzyme inhibition exist, which are competitive, non-competitive uncompetitive and mixed (Cornish-Bowden 2013). In competitive inhibition, the inhibitor competes with the substrate for the enzyme’s active site thus diminishing the enzyme’s ability to bind the substrate and decelerating the reaction velocity...
Pages: 7 (1750 words) , Lab Report , Chemistry
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Comparison of Techniques - Spectrophotometer & Immunochemistry
Experts (Gaw & Murphy, pp. 66-68, 2008) are able to acquire the spectrum of absorption for the specific pigment after passing light ways of different wavelengths during the technique, and completion of this methodology enables experts to identify particular pigment based on its absorption spectrum....
Pages: 8 (2000 words) , Coursework , Medical science
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Scanning Electron Microscope
These are high energy electrons. All the electrons with energy greater than 50 eV to right up to the primary or probe beam energy are termed as Backscattered Electrons”. The high energy backscattered electrons result from elastic scattering of the primary beam electrons with atoms...
Pages: 7 (1750 words) , Essay , Technology
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Health Studies - Assess the claim that depression results from biological factors
Research also shows that some antidepressants can lead to an increase in the amount of norepinephrine in the brain. This can, in turn, alleviate symptoms of depression (Kahn, 2013:64). On the other hand, studies have revealed that some other depressed people have high quantities of...
Pages: 9 (2250 words) , Essay , Health Sciences & Medicine
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How to Become a Bio-Scientist
Along with the various technological innovations, bioscience also helps in the development of numerous career opportunities (University of Leeds n.d.). In the United States of America alone, there are already 40,000 businesses which centre on the biosciences and these establishments make use of roughly 1.2...
Pages: 7 (1750 words) , Coursework , Biology
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Guidelines for Sensory Analysis in Food Product Development and Quality Control
Selection of panellists requires the best candidates are the one selected and they have the appropriate characteristics that the sensory analysis requires. Those who fail the test should not be compromised. The candidates to be selected should have the potential for training and must have...
Pages: 8 (2000 words) , Essay , Other
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The History of Red Hot Chili Peppers
Hiatt (2006) is of the view that the depth and boosting of the music of the album is clearly attributable to the guitar skills of Frusciante. He points out that ever since the guitarist returned to the band after his near-fatal heroin addiction; he appears...
Pages: 10 (2500 words) , Term Paper , Music
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Start-Ups and Heterogeneity of Experience Based on Omnis Mundi AG
Background affiliation suggests that a person’s social identity is determined by the groups to which he belongs and the values shared by those groups. People tend to be attracted to those who are similar to them and they tend to view the in-group members positively...
Pages: 12 (3000 words) , Term Paper , Management
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Genetics in Saving the Orchid with Special Attention on DNA Markers
According to the research findings, it can, therefore, be said that in today’s planet, several species from different biological kingdoms of the living world are either becoming vanished or are at the threshold of extinction. This has happened mainly due to widespread human disturbance of...
Pages: 6 (1500 words) , Assignment , Biology
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Designing in Mechanical Engineering
It is a fact that not all sustainability problems have technical answers. In the timeline of human development, at a certain point, we must control our desires of always wanting more at the cost of our future and we should move towards the condition where...
Pages: 6 (1500 words) , Essay , Engineering and Construction
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Synthesis and Properties of Polymerized Ionic Liquids
The paper research paper discusses ionic liquids, which are basically salts in a liquid state. The paper will focus on some of the chemical characteristics, types, uses safety as well as dangers that are associated with ionic liquids. The paper will, therefore, focus more on...
Pages: 19 (4750 words) , Research Paper , Chemistry
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Hazards from Metropolis Current Industries
Metropolis’ current industries are tourism, pulp/paper, and computer products, manufacturers. There is also the airport industry and all of them pose certain risks to the surrounding land, air and water. The paper industry uses trees as the main raw material and as such, uncontrolled logging...
Pages: 11 (2750 words) , Case Study , Business
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The Successful College Lecturer
The effectiveness of behaviourism is rated the second after humanism. This is because, the behaviours one achieves may as well be acquired from the same classroom or teaching space that is in question.Any assumptions made on the natural being of people’s learning that guides their...
Pages: 12 (3000 words) , Essay
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