Chemistry Essay Examples and Topics. Page 3

309 samples

Process of Converting Bauxite Into Aluminium

Therefore, with the help of a refining process, Alumina is extracted from bauxite which in turn is converted into Aluminium metal with the help of smelting process. The process of refining the metallic ore in [...]
  • Pages: 4
  • Words: 965

Hazards that Remain after Industrial Sites Are Closed

It would be important in this report to analyze the chemical reaction nature of the wastes involved and expected effects to the environment keeping in mind the stream aquatic life and the human livelihood downstream.
  • Pages: 5
  • Words: 1329

Shape Memory Alloys (SMAs)

The first mentioning of shape memory materials was with the discovery of martensite in 1890, which was the first step for phenomenal discovery of the shape memory effect.
  • Pages: 4
  • Words: 1094

Fuel Cell as an Alternative Energy Source

For the fuel cell to operate continuously the reactants must flow into the cell, and the products out of the cell and the electrolyte must remain within the cell.
  • Pages: 4
  • Words: 1091

The Science About the Experiments: Colloidal Systems

This Debye length depends on the concentration of the colloidal system and charge on the colloidal particles. This works on the principle of scattering of light by the particles in the colloidal system.
  • Pages: 5
  • Words: 1505

Testing the Safety of Water in Canada

However, the presence of the water forming atoms, hydrogen and oxygen does not determine the quality of water. The quality of water is also determined by the amount of chemicals dissolved in it, some of [...]
  • Pages: 2
  • Words: 584

Hazardous Chemical Containment Case Study

Only few experts from the team should be allowed to get to the store and find the label of the punctured drum. The scene will be cordoned off from the reach of individuals who will [...]
  • Pages: 2
  • Words: 738

The Chemistry Behind Mineral Make-Up

According to the US Food and Drug Administration, cosmetics include all compounds or products that are applied to the body with the aim of beautifying, boosting attractiveness or improving the physical appearance without generally altering [...]
  • Pages: 5
  • Words: 1398

Element of the Periodic Table – Antimony

Antimony is mostly found with other elements and "Antimony was recognized in compounds by the ancients and was known as a metal at the beginning of the 17th century and possibly much earlier" Antimony is [...]
  • Pages: 5
  • Words: 1356

Activation Energy Barrier Definition

Any chemical reaction has a transitional state, which is characterized by a high level of available energy and can be described as a state of interacting molecules that corresponds to the peak of the activation [...]
  • Pages: 2
  • Words: 629

The Scope of Use of Chromatography

In conclusion, the scope of use of chromatography is wide and through chromatography the study of chemistry has been made a much more rich experience.
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  • Words: 708

Chemistry: Environmental Pollution in Hungary

The acidification of water bodies leads to the death of numerous species that are susceptible to the presence of acid. Part of the problem is caused by the fact that Hungary is currently forced to [...]
  • Pages: 3
  • Words: 933

Periodic Table Characteristics

The table is best illustrated by vertical and horizontal lines of elements with the latter called groups while the former are called elements.
  • Pages: 3
  • Words: 864

“Miracle Fruit Secret Revealed” by Ehrenberg

Also, the sweet-sensing machinery of the tongue is said to work effectively in acidic flavors such as carbonated drinks and citrus. This is a massive discovery, especially because it emphasizes the ability of the protein [...]
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  • Pages: 2
  • Words: 601

Waxes and Greases Production and Specifications

In plants, the waxes are found on the cuticles, fruits, and leaves among other parts of the plants. In this light, bees and spermaceti produced the animal wax that was the main source of wax [...]
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  • Pages: 14
  • Words: 3837

OleT Enzyme Engineering to Improve Biofuel Yield

The geometry of the reactant complex was optimized and scanned to find the lowest energy pathway to bond hydrogen and oxygen atoms of abstraction of the closest hydrogen from the alpha and beta carbons in [...]
  • Pages: 50
  • Words: 15034

Long Lived Radionuclides in UAE Urban Soil

The amount of radionuclides depends on the concentration in soil, leachability of radionuclide and the solubility, and the sorption capacity of soil particles [2].
  • Pages: 17
  • Words: 4670

X-Ray Fluorescence Experiment with Salt

The salt sample was then put in a plunger to be compressed followed by measuring the height of the compacted sample, which was 7 cm. Other chemical elements that were found in the salt specimen [...]
  • Pages: 3
  • Words: 878

Isotope Ratio Mass Spectroscopy of Cheese

The purpose of this study was to use isotope ratio mass spectroscopy to determine isotopic disparities of 15nitrogen, 13carbon and 2hydrogen in six cheese samples and distinguish them based on geographic, geological and agricultural practices. [...]
  • Pages: 5
  • Words: 1495

Spectroscopy as the Detecting Oil Fraud Tool

Because of the efficacy with which spectroscopy allows determining the status of oil and the analysis of its compounds, the specified tool should be recognized as superior in detecting the cases of oil fraud.
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  • Words: 303

Alcoholic Fermentation and Metabolic Traits

Furthermore, researchers intended to investigate the impact of human selection on strains' food processing in addition to studying both the genetic variability and plasticity of different fermentation products between strains and food processes.
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  • Words: 594

Hydrogen Bonds: Chemical Properties

It is possible to have these properties due to the presence of hydrogen bonds within the molecules of liquid water. It is the presence of a significant number of hydrogen bonds that allow for the [...]
  • Pages: 6
  • Words: 1642

Breakdown of the Periodic Table

The Periodic Table is the tool for arranging elements based on the correlation between the periodic function of their atomic numbers and the properties of the elements in question.
  • Pages: 2
  • Words: 725

Electron Configuration and Behavior in Chemistry

Since the equation, =E , yields unique energy, which describes distinctive waves that define the probability of finding an electron in the space of an atom, Schrodinger presented another characteristic, namely, the particulate behavior of [...]
  • Pages: 4
  • Words: 1198

Carbon Cycle and Climate History of the Earth

This paper will discuss the carbon cycle, which is the continuous movement of carbon atoms through different paths, with a focus on the two major divisions of the process and the human impact on the [...]
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  • Words: 1422

General Chemistry: Problem Solving Videos

Therefore, PSVs assist in avoiding the confusion since students can make allusions to their previous knowledge and by solidifying their comprehension of multiple themes.
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Reactive Dyes and Membrane Filtration

Many factors such as techniques of dyeing, the contents, the processes and possibilities of recycling influence the choice of size and type of the membrane to be used in a dyehouse [25].
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  • Words: 977

Forward Osmosis and Possible Challenges

To this end, the literature in this essay tries to establish the challenges that come with the adoption of FO by a state. To this end, the quality of the feed-water influences the fouling of [...]
  • Pages: 2
  • Words: 577

The Membrane Thickness Effects on Pervaporation

The article focuses on the thickness of the membrane and its effects on the said process. In the process of carrying out the study, the thinking and rationalization of these researchers were governed by the [...]
  • Pages: 8
  • Words: 2222

Hair Care Products: Components and Effects

The heating facilitates the production of formaldehyde gas that bonds the hair with the conditioner. The entire process exposes customers to the risk of inhaling the formaldehyde gas that has negative effects on the body.
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  • Words: 1383

Swiffer Wet Refills Materials

These important steps are the selection of the fibers which can be used for the production of the wet mopping cloths; the process of laying the chosen type of fibers to make a definite type [...]
  • Pages: 7
  • Words: 1913

Polypropylene Concept in Chemistry

The majority of commercial PP is isotactic and possesses a transitional intensity of crystallinity amid the one of high-density polyethylene and low-density polyethylene.
  • Pages: 20
  • Words: 5166

Polymer Based on Ethylene Glycol – Chemistry

Ethylene glycol polymers are products of additive reactions between ethylene oxide and ethylene glycols. The boiling point and state of ethylene glycol polymers are proportional to molecular weight.
  • Pages: 20
  • Words: 5450

Perchlorate in Drinking Water

The aim of the EPA is to continue assessing the health effects of perchlorate, along with the science behind their occurrence in public water systems. The state of California also regulates perchlorate as a contaminant [...]
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Primary Research in Toxicology

In both studies, time was a key factor that helped to determine the blood lead levels and effects of lead on body organs.
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DDT Exposure and Neurodevelopment

Based on these findings, the study came to a conclusion that exposure to DDT and DDE during the prenatal period can to lead to delays in the development of infants.
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Types of Plastic & Their Substitutes

Manufacturers utilize various techniques in polymerization and one of these is the application of several additives to vary the plastic properties and to attain the desired results for commercial purposes.
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Discovery of Polonium and Radium

The curious mind of Pierre on why a substance seemed to defy a scientific law started the journey that led to the discovery of polonium and radium.
  • Pages: 5
  • Words: 1388

Flammable or Combustible Liquids

Therefore, temperature is the determinant of the absorption of the vapor of the combustible liquid by the air. The flashpoint of a liquid is the least temperature, which there will be enough concentrated vapor of [...]
  • Pages: 12
  • Words: 3232

Who Discovered Oxygen, Priestly or Lavoisier?

As a matter of fact, oxygen is present almost everywhere forming two thirds of the body mass of a healthy human being, it accounts for half the mass of the crust of the earth as [...]
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  • Words: 567

Drug Analysis: Amphetamine and Methamphetamine

Analysis of amphetamine and methamphetamine is carried out in a series of steps that entails employment of numerous tests for conclusive identification of this group of stimulants.
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How is Aluminium Ore Converted to Aluminium Metal?

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 [...]
  • Pages: 3
  • Words: 787

The Effect of Inhibitors and Temperature on Enzyme Reactions

Enzymes are described as biological proteins which accelerate the rate of reaction of a chemical substance, while inhibitors are elements which reduce the speed of catalyzed reaction of enzyme through connecting into the enzyme and [...]
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  • Words: 1194

Chemical Spills in Forensic Setting

In the forensic labs, rudiments of environmental wellbeing and safety should be strictly considered. The required quantity of chemicals should be used in crime scenes, and excess spillage must be cleaned.
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  • Words: 630

Chemical Engineering and Influence on Economics

Chemical processes engineering deals with designing, manufacturing and operation of plant and machinery in industries. Process designing is the most basic and physical step in the whole process of chemical engineering.
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  • Words: 548

Gas Infrastructure: Liquified Natural Gas

It is important to note that, this type of fuel is a fossil fuel and is composed of hydrogen and carbon compounds; hence it is categorized as a hydrogen carbon fuel.
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Conceptual Structure of the Chemical Revolution

In explaining conceptual change in science, a description of the development of new conceptual structures and their impact on the existing concepts that lead to the replacement of the old concepts is important.
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  • Words: 1137