Chemistry Essay Examples and Topics. Page 2

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.

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 general idea of spectroscopic observations is reduced to the excitation of molecules by various external factors usually an electromagnetic field to study the characteristic bands or peaks in the analytical signal output of the [...]

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.

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 [...]

Finally, in terms of operating characteristics, the ABE mixture is a colorless liquid at room temperature, with ethanol and acetone being volatile.

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.

To sum up, oxygen enters the blood through the process of breathing atmospheric air and travels from the nasal cavity through the trachea and bronchi into the lungs, and then, enters capillaries and erythrocytes.

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 [...]

The instant calculation is by determining the negativity of the slope and the curve for the concentration of the moles per liter against time in seconds.

However, the basis has remained unchanged; namely, the addition of a dienophile to a diene by 2,4-conjugation allows the preparation of non-aromatic homocyclic with one multiple bonds in them.

The purpose of this report is to describe the history, structure, properties, and applications in real life of amorphous solids. The molecules of an amorphous solid have a short-range order of action.

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.

So, in the next paragraphs, the process of an enzyme conversion for dopamine, norepinephrine, and serotonin is briefly explored. Finally, serotonin synthesis is different from that of dopamine and norepinephrine.

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.

Therefore, the most evident use of the released CO2 from the fermentation is its reuse at the same facilities. In conclusion, the beer fermentation process involves the conversion of sugar into alcohol and CO2 by [...]

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.

However, regarding the title of the article, the examination of the gel formation is missing in the abstract, and several questions about the chosen research process emerge. The next section in the article is devoted [...]

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.

It was shown that the higher the concentration of the polymer in the solution, the slower it flows through the vertical capillary.

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 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.

Consequently, scientists investigated the opportunity to create unique microorganisms that would be able to produce the silk with nanocrystals in the same amount as in natural spider silk.

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 [...]

Small quantities of chlorine can reach the threshold of acute poisoning within a very short time, thereby leading to casualties.

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 experiment aims to illustrate the way substitution reactions of alcohols transpire. In particular, the experiment aims to illustrate the way 1-butanol undergoes nucleophilic substitution reaction resulting in the formation of 1-bromobutane.

Acetylsalicylic acid Physical properties Acetylsalicylic acid exists in the form of white crystals with a molecular weight of 180. The figure below shows the structure of acetylsalicylic acid Acetylsalicylic acid is soluble in water with [...]

The choice of method is determined by the chemical compound to be analyzed, the time available, the level of accuracy needed and the available time.

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.

When the concentration of glucose was high, the color and odor of the reaction mixture were darker and more intense, respectively, due to a larger amount of products formed.

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.

The occurrence of isobutylmethoxypyrazine-like aroma in the making of wine is regularly associated with the grape variety, which proves that the methoxypyrazines are produced under genetic control in the grape berry.

The classified forms of corrosion are general and localized. Pitting corrosion is characterized by the formation of holes in metals.

Synchrotron radiation is a chemical process that can also be used in the determination of the structure and composition of coating in a metal.

Important systems in the body depend on the presence of an optimum pH in the body so that the body can function properly.

Other challenges the researchers face are the constantly changing conduction properties of the anode and the difficulty in measuring the conductivity and microstructure of the solid-electrolyte film.

The metabolism of acrylonitrile is via multiple pathways but the main one involves the pairing of acrylonitrile with glutathione-S-transferase as a catalyst.

The essay will discuss the biotransformation and bio-degradation of significant groups of organic contaminants, the major reactions and the enzyme accountable, experiments design and aspects that determine their ecological significance.

For validity and reliability of the results, sample blanks are analyzed alongside the samples to ensure that no contamination is carried over to the next sample and also to check the accuracy of the analytical [...]

The organic compound has the following structure: The compound is highly soluble in water and alcohol because it is a polar organic compound and has a molecular weight of 291.82.

The poster is presenting a sophisticated chromatographic based method that ensures a specific and sensitive detection of compounds or substances like -blockers through the use of ACQUITY UPLC FLR detector that ensures optimization of excitation [...]

In this illustration of a city, the following aspects of a city will be used to show a correlation to organic chemistry theories.

A ferrofluid is a liquid that contains very small pieces of a magnetic substance and hence acquires its magnetic properties when placed in a magnetic field. A ferrofluid primarily consists of small particles which are [...]