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Chemistry Essays

Result for Subject Chemistry:
1168 essays
Preparation of Non-Medicated Toothpaste Chemistry Lab Report
2 pages (597 words) , Download 3 , Lab Report
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One of the major ingredients is calcium phosphate, which has components for strengthening and protecting gums in the mouth and other infections and diseases. Calcium phosphate has greater healthy benefits. Most people suffering from tooth decay opt for homemade procedural toothpaste using calcium phosphate.
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Introduction of Synthesis of Zinc Iodide Chemistry Lab Report
1 pages (250 words) , Download 5 , Lab Report
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that matter can go through any physical or chemical reaction, but the total mass of the reactants and the products will remain equal (Rogers et al., wisc.edu). The experiment aims to illustrate the Law of Conservation of Mass by reacting zinc metal and iodine to synthesize zinc
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Reaction of Zinc and Iodine Chemistry Lab Report
4 pages (1000 words) , Download 2 , Lab Report
These observations are correlated with the changes in the composition of the solution as iodine was drawn out of it, and with regard to the iodine as the limiting reagent in the reaction. The law of
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Chain-growth polymerization reactions Chemistry Lab Report
2 pages (500 words) , Download 3 , Lab Report
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Chain growth polymerization can be symbolized using this chemical equation. (-M-)N (polymer) +M (monomer) -> (-M-) n+1 (Peacock and Allison 86). In this case, n refers to the degree or extent of polymerization and M occurs as an unsaturated
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Organic Chemistry Chemistry Assignment
3 pages (887 words) , Download 2 , Assignment
A chiral molecule has a non-identical stereo-center and therefore non-superimposable on its mirror image. It is however not necessarily asymmetrical. Ligand binding will mostly be either ionic or hydrogen bonds. However, at times, the intermolecular forces of the van der Waals will be used to bind the compound to the target receptor. 
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Inhalants Toluene Chemistry Research Paper
10 pages (2710 words) , Download 2 , Research Paper
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Toluene is a clear, insoluble liquid. It is a substituted benzene derivative. It is an aromatic hydrocarbon commonly used for livestock and as a solvent. To test the presence of Toluene, different analytical methods are used, to identify and quantify the presence of Toluene. This paper discusses three analytical methods that can be used to test the presence of toluene in any substance.
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Lab report peer review Chemistry Assignment
2 pages (500 words) , Download 4 , Assignment
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For instance, the paper’s thesis sought to use 2D NMR COSY/HECTOR data in conjunction with H, C NMR and unknowns 1, 2 and 3 from which the conclusion after analyzing
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Theoretical Models in Explaining the Behavior of Transition Metal Coordination Complexes Chemistry Assignment
5 pages (1397 words) , Download 2 , Assignment
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The strongest oxidizing agent is MnO-4. This is because it has the largest positive value of standard electrode potential (Applications of standard electrode potentials n.d.). b) Determining whether VO2+(E=1.0) can oxidize I- to I2-(E=0.535). According to the standard electrode potentials for the two species, VO2+ has a high positive value as compared to I-/I-2.
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1 Day Diet Diary Chemistry Essay
5 pages (1302 words) , Download 2 , Essay
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The decision for choosing this day for carrying out this activity was based on the fact that this served well to illustrate my typical day. Much consideration was taken to ensure that no external factors came in hand to distort the recording of the quantities. The recording of the foods eaten was done immediately after eating and some were done just before eating.
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Devil Facial Tumor Disease Chemistry Essay
4 pages (1000 words) , Download 2 , Essay
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According to the report DFTD is a devastating cancerous sarcoma that has an effect on 30 to 50 percent of Tasmanian devils. The advancement of ulcerated tumors all around the head and jaws of the animal is found to be the characteristics of disease. These extend into malignant tumors that disperse from the face of animal to the whole body.
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The Invention, Construction and Function of the Laser Chemistry Essay
7 pages (1914 words) , Download 3 , 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. “The invention of the laser was one of the groundbreaking scientific achievements of the twentieth century”. 
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What's a terpene Chemistry Essay
2 pages (500 words) , Download 2 , Essay
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es) which are found in plants are classified under secondary compounds because their chemical synthesis has evolved more hence making such plants better adapted to local ecological niche. The plants that produce terpenes are mainly aromatic herbs that have pleasant smell and
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Radiation Protection Process Chemistry Essay
1 pages (272 words) , Download 3 , Essay
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The distance from the source is inversely propositional to the magnitude of the effects. On the other hand, shielding encompasses all the protective gears which are placed to prevent the radiation from reaching the human body.  The effectiveness of any protective e measure depends on how careful the measures are applied.
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Organic Chemistry lab Determination of the Structure of a Natural Product in Anise Oil Chemistry Assignment
2 pages (500 words) , Download 7 , Assignment
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The major component in anise oil has the chemical formula C10H12O. It is a hydrogen deficient component having less hydrogen atoms than would be required for every carbon atom to have the maximum amount of attached hydrogen
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Rewriting an introduction for a chemistry paper Chemistry Essay
1 pages (250 words) , Download 2 , 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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The Process of Biochemistry Chemistry Case Study
2 pages (500 words) , Download 3 , Case Study
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Pyruvate is the end product of this process when energy is sufficient but during the time of hypoxia, this pyruvate goes into the lactic acid cycle. It is the conversion of pyruvate into lactate to produce an extra amount of energy which is 2 molecules of ATP. The enzyme involved in this process is called lactate dehydrogenase.
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Importance of Radioisotopes and Isotopes Chemistry Research Paper
4 pages (1000 words) , Download 3 , Research Paper
So according to a standard definition; isotopes are nuclides of a single element that have different atomic weight. The term ‘isotope’ meaning ‘same place’ was coined by Fredrick Soddy. (Criss 4). Isotopes can be further classified as either stable or radioactive
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Polyvinylchloride (PVC) Chemistry Essay
1 pages (250 words) , Download 5 , Essay
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Basically, PVC is classified into broad categories which are thermoplastic and thermosetting resins. PVC is linear in structure which comes about through head to tail addition of molecules to a polymer chain. These monomer
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Standardisation Of 0.02moldm-3 Potassium Permanganate Solution Using Ferrous Ammonium Sulphate (Ammonium Iron (Ii) Sulphate) Chemistry Lab Report
4 pages (1089 words) , Download 3 , Lab Report
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Solvent and solute molecules absorb light, and there is a proportion of light radiation which passes through. This proportion of light is known as transmittance abbreviated by T. The proportion of the light which is absorbed by the molecules in the medium is referred to as absorbance which is abbreviated as A.
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Chemistry of Depression Chemistry Essay
4 pages (1000 words) , Download 2 , Essay
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Depression is one of the most prominent psychological disorders seen among the adults and teenagers. Even though depression is a psychological disorder, the major reason behind this problem is the irregularities in brain chemistry. Along with depression, irregularities in brain chemistry can cause anxiety, schizophrenia suicide tendency etc.
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Interactions of hazardous materials Chemistry Essay
1 pages (250 words) , Download 2 , Essay
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Long time exposure to radiation may have long term effects such as development of leukemia and cancer. Damage to human DNA causes reproductive effects such as giving birth to deformed children. High exposure to radiation kills. Roentgen (rem) is a unit used to
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Research methods and Skills Chemistry Essay
4 pages (1000 words) , Download 2 , Essay
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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Answering Questions Concerning Biochemistry Chemistry Assignment
1 pages (389 words) , Download 3 , Assignment
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A specific translocase exchanges ADP outside the mitochondria for ATP inside the mitochondria. The end products are water, ATP, and NAD+ or FAD. Cyanide, azide, and CO are metabolic poisons, which are so toxic to us because they block the transfer of electrons to oxygen hence inhibiting the whole process
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Chemistry of hazardous materials Chemistry Essay
2 pages (500 words) , Download 2 , Essay
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The second and more powerful explosion caused the destruction of a building for drying explosives. The result was a six-foot-deep crater with dimensions of 60 feet across and 40 feet wide, caused by an explosion of a magnitude of a 2.0
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Chemistry of hazardous materials Chemistry Essay
1 pages (250 words) , Download 3 , Essay
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This should be avoided. A perimeter must be set up to protect emergency responders and the public. The transport load should be recognized with shipping documents, placards, or any
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Literature and Laboratory Skills Chemistry Thesis
5 pages (1250 words) , Download 2 , Thesis
Consumption of affected water is the key route through which exposure to the toxins arises. Traditional water treatment techniques are effective against cyanobacterial cells, but useless for removal of dissolved cyanobacterial toxins.
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Environmental health and safety/ interaction of hazardous materials Chemistry Essay
2 pages (500 words) , Download 2 , 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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Development of Green Cement Chemistry Essay
1 pages (436 words) , Download 3 , Essay
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This paper, therefore, concludes that ettringite is the key crystalline hydration outcome of CKD-FA, vibrator grinding for four hours is the most efficient mechanic-chemical activation technique. The addition of NaOH hastens chemical disbanding but lowers ettringite development in the hydration of the binder.
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Preparation of sample for NMR analysis and integration Chemistry Essay
2 pages (500 words) , Download 2 , Essay
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The requirement for large amounts of pure compound is because of the relatively low sensitivity of NMR and the lack of a compound separation system in analysis of NMR. The Purpose of this paper will be to
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War on Vitamins Chemistry Essay
1 pages (335 words) , Download 2 , Essay
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With the current situation of the state where supplements are freely roaming the stores and pharmacies, and some drugs are easily bought over the counter, their move to regulate them may cause these products to be out of the market. This can hurt the public, especially those who are relying on affordable ways to get treatment for their sickness.
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Physical and Chemical Structure of Penamecillin Chemistry Essay
2 pages (500 words) , Download 2 , Essay
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The author claims that however, penamecillin is very soluble in methanol, ethanol, ethyl acetate, and benzene. It is also readily soluble in dimethylsulfoxide, chloroform, acetone, trichloromethane, and ether. Furthermore, it is an unstructured crystalline white powder with the precise optical rotation of +269 deg, at 20 deg C/D methanol.
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Element that undergoes radioactive decay Chemistry Article
1 pages (250 words) , Download 2 , Article
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e radioactive tracer is absorbed by the muscle of the heart in proportional direction to blood flow, then to the muscle area, during rest and in the post stress. The variation in myocardial absorption of technetium after and before stress identifies heart muscle areas that are
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Compare and contrast thermodynamics and kinetics Chemistry Essay
1 pages (250 words) , Download 3 , 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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Chemistry and Types of Bonding Chemistry Essay
1 pages (356 words) , Download 2 , Essay
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In the process of losing or gaining electrons, these atoms become ions with a positive and negative charge. Opposite charges attract and hold these atoms close together in a lattice structure forming multiple ionic bonds. Because these forces of attraction are very strong, ionic compounds have high melting and boiling points.
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Synthesis of Gold Particles and Their Use for Chemical Sensing Chemistry Assignment
1 pages (250 words) , Download 2 , 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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Density experiment Chemistry Lab Report
2 pages (500 words) , Download 7 , Lab Report
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The results yielded a significant relationship between mass and volume at ‘0.05 level of significance’ and a corresponding p value of 0.0009. The results also identified an experimental density of 7.54 g/mL for the pennies
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Dmitri Mendeleev vs. Lothar Meyer who is the father of the periodic table Chemistry Essay
2 pages (500 words) , Download 3 , Essay
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There has been continued disagreement concerning who should receive the credits as the father of the periodic table between Lothar Meyer and Dmitri
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Interactions of hazardous materials Chemistry Essay
2 pages (500 words) , Download 2 , 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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Interactions of hazardous materials Chemistry Essay
4 pages (1000 words) , Download 2 , Essay
On the other hand, the label with the yellow diamond at 3 o’clock depicts the liquid that is dripping out of the tanker is unstable but do not
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Applied Chemistry: rBST and Chlorpyrifos in Food Chemistry Research Paper
2 pages (500 words) , Download 3 , Research Paper
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In relation to the commonly used food chemicals, this study aims to closely examine the nature of rBST and the chemical composition of Chlorpyrifos. Eventually, the health and environmental
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Chemicals Used for Illegal Purposes Chemistry Essay
1 pages (300 words) , Download 1 , Essay
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One of the potential hazards of sulfuric acid is its corrosive nature. This leads to wearing out of material surfaces and is widely experienced in industrial processes that use the concentrated acid. Care must, therefore, be taken to protect materials from the acid. Another potential hazard of concentrated sulfuric acid is its reaction.
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The Influence of Adding a Second Emulgent System on the Formulation Chemistry Assignment
1 pages (304 words) , Download 2 , Assignment
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A combined emulgent system, rather than one emulgent whose HLB value is closest to the required HLB, usually gives a more stable interfacial film.  Buffers can be included in the formulations for the maintenance of chemical stabilities. Additionally, physiological compatibility, or control tonicity is also ensured with the addition of a second emulgent.
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The Effect of Adding a Second Emulgent to the Formulation Chemistry Assignment
1 pages (381 words) , Download 2 , Assignment
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A micro-emulsion may also be formed. As seen in the results, C1 has the highest value of droplet size before and after dispersing. Furthermore, it also has the highest creaming percentage, and by extension a high chance of coalescence. The addition of a second emulgent, coupled with adequate energy supply may cause a greater dispersion of the molecules to form an emulsion.
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Chemistry of Hazardous Materials Chemistry Essay
1 pages (294 words) , Download 2 , Essay
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Storage of liquid oxygen requires special storage tanks and a very cold environment in order to maintain the necessary temperatures that keep its liquid form. Oxygen is a very volatile gas and can easily change from the liquid form to a gas at low temperatures. In its liquid form, the gas is highly concentrated and unstable.
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Hazardous Materials Chemistry for Emergency Responders Chemistry Essay
1 pages (296 words) , Download 2 , Essay
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The allotrope is tremendously toxic and can be lethal. Moreover, white phosphorus can cause deep slow-healing burns and is highly inflammable and reactive to the extent that a fire can erupt, however, while burning white phosphorus can also cause damage to the kidneys, heart, or liver. Furthermore, prolonged skin exposure to phosphorus can cause dermatitis.
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Why americans will believe almost anything Chemistry Essay
1 pages (250 words) , Download 2 , 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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Aspirin as One of the Major and Oldest Pain Killers Chemistry Assignment
7 pages (1887 words) , Download 7 , Assignment
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Stomach upset may result if aspirin is taken on an empty stomach. Aspirin should be swallowed with a cup of water instead of chewing. Patients who are taking aspirin on regular basis for some diseases should inform their doctors about it before proceeding with complex medical procedures such as surgery.
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Cellular Respiration Chemistry Essay
1 pages (475 words) , Download 5 , Essay
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Anaerobic metabolism is more energy efficient because it helps in consuming the less useful carbon dioxide gas from the atmosphere. Two ATP are produced at glycolysis stage a process known as substrate-level phosphorylation. When fermentation occurs in a sealed container, it means that there is no supply of oxygen and the process will be anaerobic. 
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Assignment (Chemistry subject) Chemistry Assignment
2 pages (500 words) , Download 2 , Assignment
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36- A chemist combines 6 grams of hydrogen with 52 grams of oxygen in a reaction that results in water as its only product. 4 grams of oxygen remain while all the hydrogen
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Org chemistry drawing assignment Chemistry Coursework
4 pages (1000 words) , Download 2 , Coursework
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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