Chemistry Essay Examples and Topics. Page 2

The amount of oxygen present in the atmosphere and the nature of the material it comes in contact with determine the process of oxidation.

Molar mass: 118. Molar mass: 18.

However, it is important to note that the amount of products produced from the atmospheric distillation process is not always proportional to the demand of the products rather it depends on the amount of crude [...]

5 The popularity of polyethylene is rooted in the fact that this polymer is cheap, flexible, durable, and chemically resistant6 It is important to take a closer look at the manufacturing process in order to [...]

The amount of heat required in the blast furnace depends mainly on the following factors: The type of ore being used the composition of different ores is different and as such the heat required to [...]

In the first case, adding hydrochloric acid to the produced azo dye led to the change of the color from dark red to orange, and the reaction with sodium hydroxide resulted in the change from [...]

The vacuum filtration is used to collect the acid and then wash the benzoic acid crystals using water to eliminate salts.

The glassware is fixed in the foot of the tripod at a distance of several centimeters from the opening of the test tube or flask.

The earth is rammed into a mould in the form of a box to create construction blocks. The aim is to have a better understanding of the operation of rammed earth materials and how stabilization [...]

The moving hydrogen protons are essential in the process due to the absence of electrons. Phosphoric in this reaction is a catalyst to achieve the result successfully.

In the case of mitochondria, this is explained by the fact that in the respiratory chain there is a "leakage" of electrons from I and III mitochondrial enzyme complexes, due to which about 2 5% [...]

The peculiarity of the first stage of synthesis is the creation of a peptide bond by joining not the - but the -carboxyl group of glutamic acid to the amino group of cysteine.

The use of chlorine atoms as components of the polymer framework was also shown in Mart n et al; the presence of chlorine allowed a reduction in the total carbon fraction of the polymer, resulting [...]

To put it another way, despite the higher gas trapping capacity of COP-130, the retention rate of this substance in the organic framework was higher for COP-140, in which it was trichloromethane used as a [...]

Lysine also plays a vital role in the immune system, as it helps the body fight off viruses and bacteria. It is also essential for hormone production, as it helps the body produce hormones such [...]

The chemical compositions of the reacting elements or compounds dictate the nature of the reaction. The chemical reaction entails the combustion of methane gas in the presence of oxygen gas, which are the reactants.

The researchers note that their experiment was designed to mimic the primitive earth's atmosphere and not the ideal conditions required for the development of amino acids. At the experiment's conclusion, the solution in the flask [...]

Results and outcomes of the experiment IR spectrographic analysis was performed for the obtained substance, the result of which is shown in Fig.1.

A radioactive isotope is one that has an unstable nucleus, meaning that it can break apart and release a lot of energy. Fission releases energy by splitting the nucleus of a heavy element into two [...]

The choice of Glucose in the study is essential since it helps the body to function correctly as the primary energy source in the body cells.

The importance of this research to modern society lies in the fact that chemical reactions on the surface of catalysts play a decisive role in many industries.

Essentially, this was the case in this paper; however, the interchanging of methods to the end interfered with the normal flow.

The essence of LIBS is specific laser irradiation of the surface area of the analyzed solid object, due to which the ablation of matter takes place. The introduction of a second pulse to the generated [...]

In fact, the LIBS device has a two-pulse characteristic: the first laser pulse ablates the detachment of matter from the substance and the accompanying heating, and the subsequent second pulse is aimed at additional excitation [...]

Jensen explains that spectrophotometers can be used to make measurements where previous methods were unable to, like measuring the amount of light absorbed by a substance at different wavelengths.

The other aspect that enhanced the functionality of these EM is their ability to target various contaminants and remove them from water.

From the point of view of the goals of the experiment, which consisted of the extraction of a substance from one phase of the solvent by another solvent, these two reactions do not make a [...]

This procedure is also performed in this reaction, where a sodium hydroxide solution with the specified characteristics was used as the titrant and potassium hydrogen phthalate was used as the test solution; three tests in [...]

The arrangement of the tubes in this order was compared with the corresponding arrangement in the peers in order to check the literacy of the color ranking and to identify the ligands without errors qualitatively.

As is known, each band on such a spectrum corresponds to an individual covalent bonding vibration; therefore, the study of the spectrum allows one to determine the nature of the substance under study almost unmistakably.

The water was carefully drained after 40 minutes, and the egg's weight in the cup was calculated. Meanwhile, we found that corn syrup had a lower concentration of water molecules; therefore, through osmosis, water molecules [...]

Accordingly, the application of magnesium in nature is based on its aid to plants and animals. The application of magnesium in real life is necessary to produce different items and support health.

The emerald laser is a solid-state tunable laser that emulsifies fat in the tissue under the skin. The primary role of the emerald laser is in low-level laser therapy.

The research question to be answered is "What are the best predictors for the pulp quality?" The Kappa number indirectly characterizes the content of residual lignin in a fibrous semi-finished product.

For the tyrosinase study, the control variable for the oxygen content of the reaction was used; it may vary, but it is generally the same.

It is necessary to explore in more detail exactly in which cases dry ice is used, what are the alternatives and why this method is extremely dangerous when interacting with concrete.

I currently have four electrons in the outer shell that I am willing to share with any willing and ready atom.

The concentration of the element has been assessed in the local water intake in Poznan, while comparing the safe concentration of mercury according to Polish laws and the WHO.

The same can be applied to acetone being a flammable liquid, it also should be separated from bases and oxidizers, but also acids like acetic acid in a separate cabinet or refrigerator.

Isopropyl is synthesized in two steps: through the reaction of propylene with sulfuric acid and the consequent hydrolysis. In the context of isopropyl alternatives as sanitizers, ethyl alcohol serves as a solid option.

Titanium dioxide is used as a food coloring, so it is actively used in a variety of food products, including tubes of toothpaste.

While focusing on the first chemical reaction known as analysis reaction it could also be termed chemical decomposition and it is also one of the most popular chemical reaction types.

One of the main arguments of the hypothetical company is the desire to make the final beverage environmentally friendly. Consequently, the choice of solvent must be based on the toxic properties of each of the [...]

Thus, a legitimate need is created for the use of defenses to inhibit the transmission of infections and rid the community of discomfort from insects.

Finally, it is demanded to adhere to the ethical standards of the Texas Administrative Code and satisfy public trust, which is expressed in the application form.

Therefore, Alice Ball was a chemist whose scientific life and contributions to science led to the use of isolated ethyl ester from Chaulmoogra oil in the treatment of Hansen's disease.

The Blatter radical, also known as the 1,3-diphenyl-1,4-dihydro-1,2,4-benzotriazin-4-yl radical, was discovered in 1968 and was named after the scientist who discovered it.

Teratogens are chemicals that have the potential to cause functional or physical abnormalities in the developing human fetus or embryo if the pregnant mother is subjected to them. In this regard, cognitive impairments may affect [...]

Osteoporosis, or atrophy of bone tissues, is spoken of if the transformation processes lead to a significant decrease in bone mass and an apparent violation of the microarchitectonics of the bone.

The past few years have seen major progress in the development of core-shell structures with the aim of improving oxygen reduction activity and stability of Pt-based catalysts. In line with the above, a major current [...]

The stress posed by the high population in the country on the water systems is a matter that has to be dealt with accordingly.

The kinks resulting from the double bonding lower the melting points leading to dropped melting points of the unsaturated fatty acids.

The use of spectrometric analysis is a reliable instrumental method of chemical analytics that allows the qualitative identification of a substance.

This paper will examine the literature on stable radicals, their synthesis, and the functions of the main families of stable radicals.

This report examines ten different types of activated carbon, which use the volumetric method to measure adsorption capacity. Information on the ten types of activated carbon used to study their adsorption and economic characteristics.

The Freundlich condition is an adsorption isotherm and an experimental connection between the amount of gas adsorbed into a strong surface and the gas pressure.

It is believed that the tremendous success in the field of the introduction of zeolites is connected with oil refining. The article will focus on zeolite ion exchange and the definition of sodium zeolite as [...]

As for the effect of enzyme concentration, it is important to note that there is a direct proportion between the reaction's initial rate and enzyme concentration.

The paper describes the symptoms of toxicity and deficiency of iodine and vitamin C as well as their impact on people's organisms.

The core idea of the collision theory is manifested in the notion that reactions only occur when particles collide with each other.

In the human body, hyaluronic acid performs the crucial function of retaining moisture in the tissues and acts as a lubricant for the joints. Even though hyaluronic acid is a component of the body, the [...]

The work of a spectrophotometer is based on this law to calculate the amount of light, its absorption, and concentration. Spectrophotometry is necessary to demonstrate how non-destructive methods help check the condition of the water, [...]

According to the law of concentration gradient, a chemical equilibrium will be established between the systems such that the solvent, water, from the less dilute solution will move to the more dilute one, while the [...]

This paper examines the sources of PFAAs contamination in the environment, their effects on animal and human health, and the existing U.S.policies regarding PFAAs.

With the direct utilization of the chemical compound, ink is produced and the continuous inkjet printing technology with the implementation of suitable printing machines for marking production is realized.

West, the former Deputy Director of the Office of Generic Drugs, the review process of brand name medicines and generics is identical from the first to the fifth stage.

In the present experiment, a semi-microscale study of the IR spectra of the recrystallized product and raw materials is carried out to confirm the reaction between anthracene and maleic anhydride.

In the present experiment, a dish is prepared according to Kitchen #3: Ricotta cheese is prepared and then used to make Lemon, Spinach, Ricotta Pasta.

The main elements that constitute the definition of NMR include a magnetic field and an oscillating magnetic field. In spectroscopy, a sweep generator may be used to produce a magnetic field equal to that passed [...]

On the other hand, catechin is a weak acid, while rutin and cyanidin-3 are strong and weak bases, respectively. Lastly, epithelial cells are found within the gastrointestinal tract ad the cells are used to the [...]

000510?-1, and k-1 = 0. 000684?-1, and k-1 = 0.

It is important that the diffusion coefficient used to link the iodine concentrations in one phase to that in another account for the existence of iodide and polyiodide salts.

Among them are galactose and fructose, with galactose being the optical isomer of glucose, while fructose is the structural isomer. On the contrary, while glucose and fructose can be found in natural sugars, especially in [...]

Nobel Prize in Chemistry is an award given yearly by the Royal Swedish Academy of Sciences to scientists who confer the greatest benefit to humanity in the various fields of chemistry.

As it is a lipophilic compound, the skin, the eyes, and the respiratory tract easily absorb the chemical. Sulfur mustard is also hypothesized to affect one's fertility and serve as a carcinogen, although the former [...]

The first prediction was the significant materials of the waste that can be changed to ethanol were lignocellulose and starchy compounds.

This thought was the basis of this laboratory work, the purpose of which was to study the chemical and physical interferences for Calcium atomization and some of the techniques for overcoming them. The results of [...]

AAS is generally used to evaluate the concentration of an analyte in a sample. In this experiment, the concentration of copper in the infant milk formula was determined using the GFAS technique.

The study of the effects of chemical compounds on the body and in-depth studies of natural internal molecular transformations is a subject of study in biochemistry.

The birth of this concept was found through the merger of the philosophies of Aristotle with Christian theology and for centuries predominantly found in Europe of the middle Ages and Renaissance.

This laboratory experiment focuses on the chemical composition of cells, appropriate identification of which contributes to the understanding of distinctions between organic and inorganic chemicals.

The method used to determine the unknown compound is called Gravimetric analysis. According to Helmenstine, the gravimetric method is used to measure the compound's mass.

The objective of the experiment was to determine the elemental concentrations of ten ayurdevic drugs obtained from the neighboring markets. The introductory part of the report is not exhaustive, especially in the techniques that can [...]

As for the second array of the reasons why chemistry is really important, they are concerned with people's ability to produce various products.

The objective of this experiment was partly to determine the behaviour of PH curve of a triprotic acid and hence determine its pKa value, and on the other part to determine the concentration of an [...]

One way that the researchers explained the application of Bent's rule to the second-period elements is the distribution of the p character into the bonds depending on the radius of the atom and the electronegativity.

The glucose amount was then obtained from the values of the standard glucose concentration using Beer-Lambert's law. The results of the sample glucose with unknown concentrations were recorded in the second table.

Compaction and mixing are some of the important stages in the manufacturing process. As such, when it is hot, temperatures are high and the viscosity of the fuel is reduced.

The second benefit of pasteurization is witnessed in the deactivation of enzymes that are found in various food substances. It is only the process of pasteurization that can lower the activity level of the enzymes.

Animal MTs have implications in inherited and occupational diseases that are linked to metabolic disorders in the handling of metal ions.

The chemical synthesis of 4-chlorophenoxyacetic acid is realized through the reaction of nucleophilic displacement between anions of the 4-chlorophenolate anion and chloroacetate, the product of interaction of which is subjected to acetic acid treatment.

Solving the problem is essential for securing Atropian independence and sovereignty from existing and potential separatist and insurgent challenges and addressing the root causes of the failure of the Government of the Republic of Atropia.

Radon it is a radioactive gas that has no color or smell and is formed from the decay of radioactive elements.

The paper aims to examine cell viability with the LDH assay on the surrounding cell media and the resazurin reduction assay evaluating cultures of live cells generating findings in HepG2 liver cells that have been [...]

If the power between the two atoms is the same they share the electrons and form a covalent bond, but if one atom's power exceeds the other, then one loses the electron or electrons to [...]

The presence of ROS in excess causes oxidative stress in the body, leading to the oxidation of proteins and lipids and the transformation of their structures and roles in the body.

In a muscle tissue, pyruvate would be converted to lactate instead of ethanal. It is predicted that most pyruvate in Test 2 and 3 would be converted to lactate.

At the moment of the impact between pendulum and specimen, part of this potential energy is used to fracture the specimen.

The essence of the method of measuring BOD is to establish the concentration of molecular oxygen in the water sample immediately after the selection and after incubation periods of the sample.

We elaborate further to state a catalyst as a substance that increases the rate of reaction and is not used up in the reaction, the products of the reaction are different substances of the reactant.

Only the ascorbic acid or vitamin C in the drink will react with the dye. The reduction of vitamin C will be negligible.

Undertake qualitative analysis of the product using IR and NMR techniques, which provide spectra of functional groups and chemical shifts respectively. Carry out qualitative analysis of the product using 2,4-DNP test, which can detect carbonyl [...]

The purpose of this experiment is to use the researcher's background knowledge on alcohol reactions to explain more complex reactions. The objective of this reorganization is to generate a ketone.

In a laboratory experiment, when a blown ball is over ice water, the kinetic energy of the molecules' fluctuations is transferred to the water.

The principle of operation is the same as for water-based electrolytes, though no single popular type can be named due to the ongoing experimentation and innovation in the field.

This is mainly based on the fact that it has a consistent composition of chemicals, which gives it better conversion ability to different by-products, including methanol.

This is what triggered the research fronted by the Professor to determine the degree of caffeine in decaffeinated coffee brands, in the market.

Vitally, since this reaction is exothermic, it is necessary that cooling of the vessel is done in the due course to keep the temperatures low.

Anti-oxidative properties of CAPE: These properties in CAPE were illustrated as early as 1993. Anti-inflammatory and chemo-preventive properties of CAPE: As early as 1993, studies showed the inhibition property of CAPE on 5-lipoxygenase.

TLC is a form of liquid-solid chromatography where the sample is applied as a streak or a tiny spot on the stationary phase.

As has been mentioned above, samples of the liquid from the punctured drum must be analyzed in order to detect the potential danger of the situation.

On the other hand, the flow meter provides the rates of water flow to the dosing facility, which interprets the amount of fluoride needed in the water.

To satisfy the reader, the author looked at the various physical and chemical properties of N-Heterocyclic carbenes. The main argument is the application of the N-Heterocyclic carbene in the development of possible antitumor metallodrugs.

The report entails a summary of the experimental design and synthesis of the THIQ derivatives, the biochemical evaluation of the THIQ fragments, and the structural evaluation of the THIQ fragments as described in the article.

Titrometry is one of the techniques that chemical analysts use to determine the concentration of metal ions in mineral water. A buffer is necessary to provide suitable pH for the complexing of EDTA with metal.

In a conclusion, this paper has brought into perspective the elemental radium as well as some of its important characteristics essential for one to be safe.

The aim of the study was to establish optimal levels of pressure and temperature in driving the Fischer-Tropsch Synthesis, while utilizing the Co/SiO2 catalyst.

The thermometer was positioned in the opening of the cardboard cover and its position was fiddled with to avoid the thermometer getting too deep into the calorimeter.

The appropriate elaboration of this communication is through the study of Biological Engineering, which is an application of different concepts and methods of biology to get solutions to life sciences.

This discovery shows that the emission of Methane not only depends on the species of the plant, but also the condition in where they are growing.