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Chemistry Essays

Result for Subject Chemistry:
1168 essays
Biochemical Markers During High-Intensity Interval Training Chemistry Term Paper
6 pages (1791 words) , Download 1 , Term Paper
Free
The process of synthesizing energy that is required for the proper functioning of the muscular system is marked by a cascade of events. Each process involved in the synthesis of energy generates products that can be used as biochemical markers such as lactic acid, ATP, ADP, calcium, phosphocreatine, glycogenolysis and glycolysis during high-intensity interval training. 
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Heat, Energy and the Kinetic Theory Chemistry Assignment
4 pages (1088 words) , Download 0 , Assignment
Free
The study of heat relates to the Kinetic Theory of Matter as the theory draws upon the difference of kinetic energies held by individual atoms or molecules. The more the kinetic energy, the more the heat and the lesser the kinetic energy of the atoms or molecules of the matter, the lower is its temperature.
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Rat Testing Can Prove Chemical BPAs Effect on Humans Chemistry Research Paper
10 pages (2500 words) , Download 2 , Research Paper
Free
This research will begin with the statement that BPA, Bisphenol is a weakly estrogenic monomer used n production of polycarbonate plastics that are in most cases used in food-related applications such as polycarbonate baby bottles. In addition, it is applied in metallic food cans as epoxy resins, inner coatings, to prevent rusting and corrosion.
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Recent Advances in High Performance Fibers for Composite Applications Chemistry Research Paper
11 pages (2750 words) , Download 2 , Research Paper
Free
This paper tells that findings from untimely military composite research and development agendas that could be currently viewed in systems fielded by every military service. For instance, an extra 350 pieces of the F-22 raptor, making up 25% of the structural mass are non-carbon composites. Additionally, the advancement joint strike fighter will be amid 25 and 30% composite by mas.
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Volatile Organic Compounds in School Chemistry Essay
6 pages (1708 words) , Download 1 , Essay
Free
An aspect of the studies is the noted deficiencies in air ventilation and air volume in current classrooms, an aspect borne out by the architectural decisions made when building the schools, and which have come to represent a threat to the long-term health and the academic outcomes of school children.
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Water is the Foundation of Life Chemistry Essay
6 pages (1780 words) , Download 0 , Essay
Free
Water has beauty, it is part of rituals, and it has taken on the capacity for status in the late 20th century, and he continued to maintain that status into the 21st century. Water can heal, is often imbued with power, and the ritualization that requires water is often discussed in terms of purity. It is also considered a medium for pollution. Above all things, water is regarded as a right of human existence, a substance that cannot be denied.
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Safe Chemicals Act Memo Chemistry Speech or Presentation
8 pages (2410 words) , Download 1 , Speech or Presentation
Free
Generally, authorization should be granted if a given manufacturer can demonstrate that the risks from the use of the chemical can be adequately controlled or if a threshold might be determined for the chemical and if not the manufacturer must demonstrate that its socio-economic benefits outweigh the risks.
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The Use of Free Radicals in the Treatment of Disease Chemistry Report
7 pages (2377 words) , Download 1 , Report
Free
According to epidemiological studies, there is a direct correlation between the amount of antioxidants taken with food and a reduction in the risk of cancer. But, many questions remain unanswered. For example, it is not clear which antioxidant is the most effective along with its ideal amount. The effects of antioxidants on patients who have been diagnosed with cancer should be investigated.
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Clinical Biochemistry and Haematology Laboratories and Leukaemias Chemistry Essay
10 pages (2902 words) , Download 0 , Essay
Free
The cancers of hematopoietic stem cells are associated with the clonal proliferation of one or more of the stem cell lineages. Particularly associated with the proliferation of white cells are known as leukemias. The increase in the number of white cells can be demonstrated in either the bone marrow or the peripheral blood, or both.
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Elements, Compounds and Mixtures Chemistry Research Paper
5 pages (1250 words) , Download 1 , Research Paper
Free
The author explains that the two substances, water, and sodium chloride are pure substances, and in a mixture, they are not chemically combined and hence can be isolated using physical processes, such as evaporation. However, water (H2O) is a compound consisting of a chemical combination of two elements, namely hydrogen and oxygen.
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Chemistry: Cooling of Water Chemistry Lab Report
6 pages (1599 words) , Download 1 , Lab Report
Free
Using a calorimeter or a set-up that would ensure no heat energy gain or loss to the environment would be an improvement in the experimental set-up. A Styrofoam cup that has a lid would serve as an efficient option for the set-up. This would allow for stirring to be done safely, and the insulation would reduce interferences.
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The Kitchen Aid Opener Chemistry Essay
4 pages (1213 words) , Download 0 , Essay
Free
Some of the products include everyday items such as knives, kettles, and electric kettles, just to mention a few. In their first year of study, a student has used this tool, of course, in their introduction to engineering and even project implementation.
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Structure of Steel and Modifications in its Behavior due to Heating, Alloying and Hardening Chemistry Book Report/Review
6 pages (1500 words) , Download 2 , Book Report/Review
Free
Quenching is a process of heating high carbon steel on normalizing temperature and then cooled in brine, water or oil. The process will result in a martensitic structure that is a form of steel, possessing super-saturated carbon in a deformed Body Centered Cubic (BCC) crystalline structure, named as Body-Centered Tetragonal
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Heat of Solution for Various Salts Chemistry Lab Report
6 pages (1599 words) , Download 1 , Lab Report
Free
Measuring heat changes using the above methods is not very accurate. To improve the accuracy of such procedures, a calorimeter is used. A calorimeter consists of a container in which the reaction is carried out. The heat produced is channeled to a known amount of water. Alternatively, a known material may be used instead of the water.
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Chromatographic and Hyphenated Methods Chemistry Research Paper
6 pages (1500 words) , Download 2 , Research Paper
Free
The author states that several errors can occur in the process of making esomeprazole magnesium drug. First, the regents can be taken in large quantities or fewer quantities, which will affect the general outcome. Measuring cylinders must be used to avoid this error. Another error can arise during heating.
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Chemical, Electrical ,Mechanical and Chemistry: Li-Ion Batteries Chemistry Assignment
10 pages (2582 words) , Download 0 , Assignment
Free
We will place the solar panels facing away from the sun in an insulating box which will be open from one side, and there will be a convex glass placed in front of the open side of the box. The glass will reflect the sunlight with lower light/heat intensity. In this way, the solar panels can remain cool and perform at higher efficiencies.  
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The Molecular Forms of Cholinesterase Chemistry Term Paper
7 pages (1750 words) , Download 2 , Term Paper
Free
The author explains that Ovide Malathion is a lotion used for getting rid of head lice. It is a toxic substance and is used to kill the lice. The drug has been approved by the US Food and Drug Administration (FDA) who claims that the lotion is harmless and can be used for killing lice and their eggs.
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Synthetic Studies Towards Cylindrospermopsin Chemistry Lab Report
5 pages (1861 words) , Download 1 , Lab Report
Free
Cylindrospermopsinin (C YN) is gradually being recognized as of the most global importance of the freshwater algal toxins. The rapid increase in CYN producers in temperate zones is yielding concern on the impact of this toxin to human, as well as environmental risk and health risks across the contents. 
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Fermentation Conditions for the Production of Ethanol Chemistry Assignment
6 pages (2713 words) , Download 1 , Assignment
Free
The whole life of the person involved in binge drinking is left in a mess and they are a big chance that young alcohol abusers will abuse other types of drugs Many strategies have been employed that are geared towards changing personal attitudes of people about drinking. Mostly, these strategies entail carrying out awareness campaigns.
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States of Matter Chemistry Assignment
6 pages (1874 words) , Download 1 , Assignment
Free
This assignment also calculates the rate of heat transfer through a 0.64 square meter of a plaster wall 3.2 cm thick, discusses the different types of fire extinguisher and on what can they be used, the differences between a premixed and a diffusion flame and the temperature profiles of each type of flame. 
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Safety Regulations for Plants Storing Lethal Compressed Gas Chemistry Research Paper
8 pages (2000 words) , Download 2 , Research Paper
Free
The standards require that the operator determine the safety of the compressed gas cylinders under their control in relation to the mechanical integrity by visual inspection. If visual inspection is not enough it is best to keep a constant check on the mechanical integrity of the material used to contain the hazardous compressed gases.
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Quality Issues in the Analytical Laboratory Chemistry Coursework
9 pages (2842 words) , Download 1 , Coursework
Free
Software and computer systems used for acquisition, processing, recording, storage, and retrieval of test results need validation prior to use. The USP<1058> effective from 2008 has standardized AQI and CSV procedures for use in the US pharmaceutical industries and laboratories (Scientific computing, 2011).  
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Emulsion Technology Chemistry Lab Report
7 pages (2062 words) , Download 1 , Lab Report
Free
An emulsion is a setup of two immiscible liquid phases with one of them dispersed throughout the other in the form of tiny and fine droplets. The phase consisting of tiny droplets is defined as the internal or disperse phase whereas the suspension phase is classified as the external or continuous phase. Water and oil are the two major constituents of pharmaceutical emulsions.
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Clonidine and Quinapril Chemistry Report
5 pages (1760 words) , Download 1 , Report
Free
The shelf life of the oral Clonidine Hydrochloride tablets and the Clonidine HCL solution for IM & IV injections can be taken to be determinant on the means and method of storage. According to Aurobindo Pharma Ltd., the manufacturer of Quinapril Hydrochlorothiazide 20/25 mg film-coated tablets, the shelf life of their product is three years. 
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Affecting the Boiling Point of Miscible Mixtures of Solvent Chemistry Lab Report
3 pages (750 words) , Download 1 , Lab Report
Free
The experiment will mainly focus on the chemistry related factor that affects the boiling point of miscible mixtures of solvents; this is the research question
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Analysis of Polysaccharides Chemistry Essay
1 pages (250 words) , Download 0 , Essay
Free
Starches are a type of carbohydrate that are primarily used in the storage of energy that is used by an organism. It is a long chain of
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Crude Oil Refining Chemistry Coursework
7 pages (1902 words) , Download 1 , Coursework
Free
The separation of crude oil into lighter fractions often produces four distinct categories of oils. These are light distillates, middle distillate, heavy distillates and miscellaneous distillates. Light distillates are composed of LPG (liquefied petroleum gas), gasoline (or better known as petrol), kerosene, jet oil fuel and other kinds of aircraft fuels.
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Ugi Reaction Chemistry Literature review
6 pages (2196 words) , Download 1 , Literature review
Free
The Ugi reaction subject has gained an unprecedented prominence in the recent chemical literature. An explosion of interest toward the Ugi reaction is explained by the rapid development of chemical technologies and the need to solve organic chemistry challenges in a cost-efficient manner. The history of the Ugi reaction dates back to the middle of the 20th century. 
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Therapeutic Polysaccharides Chemistry Report
7 pages (2195 words) , Download 1 , Report
Free
The potential clinical usefulness of these substances needs further research. It is clear that polysaccharides derived from higher plants, mushrooms and algae are a reliable and significant source for therapeutic medicine and represent a rich resource for potential innovation and improvement of new compounds of medical value.
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Biological and Chemical Agents and HAZMAT Chemistry Research Paper
4 pages (1000 words) , Download 1 , Research Paper
Free
CBRN is defined as the non-weaponized or the weaponized biological, nuclear, radiological, and chemical materials that can lead to significant harm; this is the definition according to the Chemical, Biological, Radiological and Nuclear Strategy (CBRN Strategy) of the Government of Canada (Public Safety Canada, 2009).
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Hydrogen Bonding and the Importance to Life Chemistry Term Paper
6 pages (1500 words) , Download 2 , Term Paper
Free
This research will begin with the statement that hydrogen bonding refers to the interaction between pairs of an atom with an innate high affinity to the electron. This is a natural process of attraction distinct and is particular to intermolecular communion which is a consequence of duo partial electric charges within the continuum of opposite polarity.
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Titanium and its Uses Chemistry Research Paper
6 pages (1500 words) , Download 2 , Research Paper
Free
One area where titanium has been found to be of utmost importance is in the medical industry. Medical implants with titanium or titanium alloys incorporated in them have been developed and made use of in the past few decades. This paper will examine the use of titanium in medical implants and its properties.
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Structures of Amino Acid, Protein, Glucose, Carbohydrates and Fatty Acids Chemistry Article
4 pages (1000 words) , Download 0 , Article
Free
A large number of beta glucose subunits are linked together via 1-4 glycosidic bonds giving rise to the polysaccharide cellulose, the most common organic compound on earth. It is a component of the plant cell wall. Complete breakdown yields glucose molecules while the partial breakdown of cellulose can give rise to smaller polysaccharides.
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Concrete: History, Manufacturing Process, Properties and Application Chemistry Research Paper
8 pages (2000 words) , Download 5 , Research Paper
Free
Concrete is also used for vegetation roofs in offices, hospitals, and residential buildings. It provides prolonged building benefits to the structures because it functions as thermal mass and acoustical barrier. The Portland cement made concrete is used in the airport pavements, highways and secondary roads 
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Nitrogen Recovery in WasteWater Treatment Chemistry Term Paper
7 pages (1750 words) , Download 2 , Term Paper
Free
The major contributors of nitrogen to wastewater are human activities such as food preparation, showering, and waste excretion. The most common forms of nitrogen in wastewater are Ammonia (NH3), Ammonium ion (NH4+), Nitrite (NO2‐), Nitrate (NO3‐), Organic nitrogen. Nitrogen in domestic wastewater consists of ammonia‐nitrogen and organic nitrogen.
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Food Chemistry Lab Report about Philadelphia Cheese Chemistry Lab Report
4 pages (1036 words) , Download 0 , Lab Report
Free
Philadelphia cheese has no sugar or vitamin C content, and as such these experiments were not carried out and there are no results for these elements. However, it may have been worthwhile to conduct these experiments to prove this fact. Only two repetitions were carried out for the fat analysis as required by the Buchi method.
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The Melting Point of Pure Tin Chemistry Lab Report
5 pages (1173 words) , Download 0 , Lab Report
Free
To keep the sample from getting oxidized, nitrogen was introduced into the furnace while ensuring that no oxygen entered it. Tin’s melting point was virtually determined through its transition from a solid to a molten state. A thermocouple sheath made of stainless steel was introduced into exactly a quarter of an inch above the crucible’s base.
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Transportation Material Chemistry Term Paper
4 pages (1000 words) , Download 0 , Term Paper
Free
In 20 years’ time, investigation of titanium as a material for brake discs will have come up with ways of improving the thermal conductivity of titanium disc breaks. This is because the failure to deal with this issue will continue to disadvantage innovation. Thermal conductivity is a crucial characteristic in relation to the role of a disc brake 
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Vitamin C and Content of Soft Fruit Drinks Chemistry Coursework
4 pages (1000 words) , Download 0 , Coursework
Free
In order to determine the amount of Vitamin C present in a new range of soft drinks and comparing the Vitamin C content of different soft drinks, titration can be carried out. Titration is a commonly performed experiment which is used to determine the exact concentration of a particular substance in solution.
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Determination of the Kinetic Constants With Three Alcohol Substrates Chemistry Lab Report
7 pages (1916 words) , Download 1 , Lab Report
Free
Yeast ADH has a high affinity for propane -1-ol as suggested by its Km value which is lower than that of ethanol (Table 3). However, the negative value obtained for Km in the case of butane-1-ol suggests that the concentration of the substrate might have been too low since the enzyme concentration used had been tripled.
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Applying to King Abdullah University of Science and Technology Chemistry Personal Statement
3 pages (750 words) , Download 8 , Personal Statement
Free
Due to lack of pharmaceutical industries and poor quality control in Afghanistan, the import of expired drugs became increasingly profound in the country. The consumption of such drugs
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Nanomaterials and their Applications in Solar Cells Chemistry Term Paper
6 pages (1500 words) , Download 2 , Term Paper
Free
Nowadays the silicon crystalline modules are replaced by the thin film solar cells such as CDs, CdTe, CIGS, amorphous Si, microcrystalline Si for improved efficiency. Other improvements such as concentrator modules, silver cells, continuous printing process, casting wafers instead of sawing are used 
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The Chemistry of Adderrall Chemistry Research Paper
5 pages (1250 words) , Download 2 , Research Paper
Free
Adderall is a drug which is just like any other drug that has benefits and side effects. The question of whether to take Adderall or not usually lies in whether the benefits outweigh the risks. Adderall is a Schedule II drug as declared by the FDA. Therefore, only further research will be able to determine its fate as a pharmaceutical product 
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Health Effects of Cadmium and the Safety Standards Chemistry Essay
4 pages (1079 words) , Download 0 , Essay
Free
In the workplace environment, the hazards of Cadmium are primarily observed. The workplace-related hazards that are related to Cadmium can transpire to fatal and critical health-related consequences. Cadmium-related hazards can appear in certain apparently unrelated materials and operations like batteries, paints and fertilizers.
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Properties and Applications of Ceramics, Fibres and Plastic Chemistry Assignment
5 pages (1423 words) , Download 1 , Assignment
Free
The author of the paper states that ceramic materials are formed by closed packed crystals of oxides of aluminum or zirconium metals. The basic arrangement of these crystals and the presence of impurities determine the resulting material. The final product has slightly different characteristics.
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Organic Chemistry: How Vitamin B Works on the Body Chemistry Coursework
7 pages (1789 words) , Download 1 , Coursework
Free
It was concluded that vitamin B12 is required for the production of the red blood corpuscles and the lack of this vitamin leads to anemia at all ages. By providing B12 artificially to the patients suffering from anemia, the increase in the RBC count was found after 4 weeks which concludes that Vitamin B12 is essential for the human body.
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Energy Use in BBE Ethanol Production Processes Chemistry Assignment
8 pages (2110 words) , Download 2 , Assignment
Free
Two sets of utility shut-downs have been recorded; duration of 57 days of the in-active period. These are the 27 days of nil supply of the raw material and the 30 days shut down of the utility due to maintenance and emergency. The Initial steam requirement for process water after this is at a rate of 48 MT of steam per day.  
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Air and Sea Carbon Dioxide Exchange in Coastal Zones Chemistry Essay
11 pages (2750 words) , Download 2 , Essay
Free
From this paper, it is clear that gases are present in our atmosphere as well as in oceans. These gases get mixed with one another as the exchange takes place between the two mediums regarding the gases present in them. Our atmosphere contains a number of gases such as nitrogen, oxygen, carbon dioxide and many other gases.
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Chemically Modified siRNA Molecules Chemistry Term Paper
8 pages (2000 words) , Download 1 , Term Paper
Free
Gene regulation by RNA interference (RNAi), the process of modulating RNA level by small interfering RNA (siRNA), has provided investigators a tool to turn off genes at will. Cellular genes involved in human diseases, thus, can be targeted and silenced by the exogenous introduction of siRNA or by the introduction of gene constructs expressing short hairpin RNA (shRNA).
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Selected Bottles of Liquid Chemistry Essay
4 pages (1164 words) , Download 0 , Essay
Free
Phenolic compounds are also somewhat toxic to the health of humans as they are cytotoxic agents. However, they do not affect the human pulp. Astringents also produce some side effects for humans. “[Astingents] do not have an antimicrobial activity to eradicate pathogens in moderate to severe cases and can be uncomfortable to the patient”.
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