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Fireworks
Fireworks
5 pages (1250 words) , Term Paper
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Fireworks are generally composed of three chemical compounds; a fuel, an oxidizer, color producing compounds, a chlorinator and a binder. Manufacture of the fireworks is mainly done using chemicals that are non-toxic.
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Colourimetric Assay for Paracetamol
Colourimetric Assay for Paracetamol
4 pages (1000 words) , Download 1 , Essay
H. Jeffery). Such a method of analysis is ordinarily limited to determinations at relatively low concentrations. In a colourimetric chemical test the intensity of the color from the reaction must be proportional to the concentration of the substance being tested.  Some reactions have limitations or variances inherent to them that may give misleading results.  Most limitations or variances are discussed with each particular test instruction.  In the most basic colourimetric method the reacted test sample is visually compared to a known color standard.  However, the eyesight of the analyst, inconsistencies in the light sources, and the fading of color standards limit accurate and reproduci
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An Enzyme Controlled Reaction-Catalase
An Enzyme Controlled Reaction-Catalase
4 pages (1000 words) , Essay
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The author provides an experiment, which has 1 independent variable, 1 dependent variable and 1 control variable. The independent variable is the various concentrations of hydrogen peroxide, while the dependent variable is the rate of reaction in terms of oxygen production. The control variable is the temperature of the room and standard pressure.
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The rough and tough of organics
The rough and tough of organics
3 pages (750 words) , Download 0 , Research Paper
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A few years ago, organic food was typically found in local farmer markets and fresh stores but now it can be found almost all major supermarkets. Research shows that more and more consumers are tended to purchase organic food.
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Explain the structure of enzymes and discuss their role in metabolic reactions
Explain the structure of enzymes and discuss their role in metabolic reactions
6 pages (1500 words) , Assignment
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Without the presence of the enzymes, the catalysis of the chemical reactions would not have been possible, since they serve as the biological catalysts in the reactions (Bettelheim et al, 2008, p.614). The metabolic reactions are essential in the body since they allow the human bodies to survive.
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The importance of Hydrogen Bonding in Biology
The importance of Hydrogen Bonding in Biology
4 pages (1000 words) , Essay
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This bond forms when a hydrogen atom binds to a strong electronegative atom of one molecule at the same time it covalently attaches to another electronegative atom in a different molecule (Chang, 2008). The electronegative atoms that form this kind of bond with hydrogen include oxygen, fluorine and nitrogen.
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PH Titration
PH Titration
6 pages (1500 words) , Lab Report
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Acid-base titrations are applied in order to estimate the molarity either of an acid or a base used through a setup that consists of a burette that holds the ‘titrant’ and flask filled with ‘analyte’ or the solution with unknown concentration.
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The Use of Isotopes in Medicine
The Use of Isotopes in Medicine
5 pages (1250 words) , Essay
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Rana, et al. (2012) suggests that isotopes bring about the existence of elements in many forms for example carbon 12 and carbon 14. Chemically, isotopes of a particular element have similar behaviors under similar circumstances. Due to the difference in their masses, isotopes differ physically, which explains why isotopes can be separated through processes such as fractional distillation.
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TLC Practical: Identifying Unknown Metal Ions Using TLC
TLC Practical: Identifying Unknown Metal Ions Using TLC
3 pages (750 words) , Essay
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Compared to paper chromatography, TLC is faster and offers better separation characteristics between the analytes or the chemicals being analyzed.  TLC chromatography technique is a rapid and effective method to detect the presence of chemical substances and identify them with the help of standards.
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The analysis of thymine and its derivatives by electron-ionisation and chemical-ionisation mass spectrometry
The analysis of thymine and its derivatives by electron-ionisation and chemical-ionisation mass spectrometry
4 pages (1000 words) , Essay
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Thymine is also connected in transmission of genetic information as it is an integral part of DNA. Thymine is a heterocyclic organic compound. It contains a nitrogen atom as part of an aromatic ring. Characteristic properties of heterocyclic compound are therefore seen with analysis of Thymine.
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Detecting the Cylindrospermopsin using HPLC-PDA and NMR
Detecting the Cylindrospermopsin using HPLC-PDA and NMR
5 pages (1250 words) , Assignment
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Cylindrospermopsin is a liver toxic alkaloid produced mainly by the cyanobacteria Cylindrospermopsis raciborskii albeit the toxin is also produced by Umezakia nations and other bacterial species. This toxic alkaloid is of great concern to the public health sector since it is highly soluble in water because it has both positive and negative charges.
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Methanol to acetic acid
Methanol to acetic acid
4 pages (1000 words) , Assignment
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At the moment, a majority of industrial undertakings in acetic acid production are dominated by methanol carbonylation and the oxidation of hydrocarbons such as ethylene, acetaldehyde among others. Advances in acetic acid synthesis and catalysis can be grouped into five broad categories.
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E cigarettes
E cigarettes
6 pages (1500 words) , Research Paper
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Known as the e cigarette, the contraption is meant to aid the smoker in getting off his nasty smoking habit bu giving him the nicotine fix that he so craves, without the negative effects that smoking a cigarette gives. Or does it?
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Interactions of hazardous materials
Interactions of hazardous materials
2 pages (500 words) , Essay
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The NFPA diamond with a 0 at 12 o'clock, shows that the liquid will not catch fire, a 2 at 3 o'clock shows that the liquid will undergo violent chemical change under normal conditions, a 4 at 9 o'clock shows that the liquid is deadly and it should not be inhaled or allowed to touch a body part under any condition.
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Hot and Cold
Hot and Cold
5 pages (1250 words) , Lab Report
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The Results were obtained and tabulated in a table, which were later used in the calculations of the heat energy. The heat energy, which evolved as a result of the reaction, was calculated and the reaction enthalpies compared for the four acid-base reaction.
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Q1./ Discuss how the primary, secondary and tertiary structure of a protein will influence the way in which it behaves when it a
Q1./ Discuss how the primary, secondary and tertiary structure of a protein will influence the way in which it behaves when it a
4 pages (1000 words) , Download 2 , Essay
The formation of an emulsion necessitates a high input of energy and the presence of at least one emulsifier in the system in order to aid in reducing the interfacial tension between water molecules and oil molecules. Then, following the molecular adsorption, an interfacial layer at the surface of droplets forms and protects the newly formed droplets from phase separation and coalescence.
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Compressed Hydrogen Production Via Reaction Between Liquid Ammonia And Alkali Metal Hydride
Compressed Hydrogen Production Via Reaction Between Liquid Ammonia And Alkali Metal Hydride
3 pages (750 words) , Download 1 , Speech or Presentation
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There are many methods that can lead to formation or production of hydrogen. The interest in this scope is the compressed form of hydrogen, otherwise known as liquid hydrogen. Ammonia .NH3 is recognized as one of the attractive hydrogen H2 carriers because it has a high hydrogen content of 18% mass and it is easily liquefied under about 1 MPa of pressure at a room temperature.
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Explanation of how alcohol is metabolised in a human body
Explanation of how alcohol is metabolised in a human body
4 pages (1000 words) , Essay
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However, the stomach contributed to the metabolism of alcohol through the gastric ADH. The alcohol that is fragmented down in the human body is converted to acetaldehyde. After this, the acetaldehyde is converted into acetic acid radicals that are also referred to as acetyl radicals.
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The use of isotopes in medicine
The use of isotopes in medicine
5 pages (1250 words) , Essay
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This leads to a difference in the atomic mass although the atomic number is the same (McKinney, et al, 1995). However, since neutrons are chemically in active, the difference caused by neutrons does not affect the atoms chemically. As a result, isotopes have similar chemical reactions, but only differ physically due to their atomic mass difference.
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Griffiths theory of fracture
Griffith's theory of fracture
4 pages (1000 words) , Coursework
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When stress is applied, ions slide past each other then goes to different directions; ions of the same charge bumps and trying to repel each other; causing the atoms to spread. The material then breaks. In metals, the atomic structure consist more positively charged ions on a flow of negatively charge electrons.
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Determination of Mercury content in Canned Tuna brands using Inductively Coupled Plasma Mass Spectrometry (ICP-MS) and use Isoto
Determination of Mercury content in Canned Tuna brands using Inductively Coupled Plasma Mass Spectrometry (ICP-MS) and use Isoto
15 pages (3750 words) , Literature review
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Due to population growth and urbanization, more human activities have significantly contribute to the elevated mercury levels in the environment. It has been reported that more than 2500 tons of mercury emissions occur annually through anthropogenic sources.
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QSAR
QSAR
6 pages (1500 words) , Essay
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These steroid hormones studies on steroid hormones shows that homones have certain degree of binding affinity to the corticosteroid binding globulin (CBG) and gestagenic receptors. The data reduction was performed based on principle component analysis (PCA).
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Materials Engineering Project
Materials Engineering Project
5 pages (1250 words) , Research Paper
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As discussed in this paper, titanium alloy exhibits high degree of tensile strength, low weight, and high resistance to corrosion, thermal strength and ease of fabrication at extreme temperatures. However, titanium is highly susceptible to dry chlorine gas, hypochlorite and reducing acids thus limits its production and uses.
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Gene cloning (Clone human gene from cDNA libraries...)
Gene cloning (Clone human gene from cDNA libraries...)
3 pages (750 words) , Essay
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This paper explores the various techniques through which human genes can be cloned from cDNA libraries and the methodologies used for the initial characterisation of an isolated cDNA clone. Prior to that, it is of the essence that one understands what a clone, a library and a vector is with reference to gene cloning.
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Distillation- Gas Chromatography Investigations
Distillation- Gas Chromatography Investigations
4 pages (1000 words) , Lab Report
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This energy is utilized by the molecules to change phase, that is, from the liquid phase into the gas phase. The temperature at which the liquid changes into vapor, in which case, the vapor pressure of a liquid at this temperature equals to the atmospheric pressure, and it is referred to as the boiling point.
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The use of isotopes in agriculture
The use of isotopes in agriculture
5 pages (1250 words) , Essay
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They have no electrical charges and light electrons which are negatively charged. The light electrons that are negatively charged are said to occupy the biggest volume of atoms and they determine how a specific atom interacts with other atoms (NSAC, 2009).
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HUMAN TOXIC THREAT RISK ASSESSMENT
HUMAN TOXIC THREAT RISK ASSESSMENT
5 pages (1250 words) , Essay
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An example given by ATSDR is diacetyl which is used to flavor butter and causes constrictive bronchitis. The Centers for Disease Control & Prevention (CDC) also backs up this with evidence that diacetyl and other food additives have adverse health effects (Barrow 77).
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The Element Nitrogen
The Element Nitrogen
5 pages (1250 words) , Research Paper
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He places a bottle that is turned upside down in a water bath so as to trap some air. A burning candle was placed inside the bottle that reacts with oxygen. Rutherford concluded that the remaining gas was nitrogen. Nitrogen comes from nitro and gen that means niter-forming.
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Reflections on Connection of Chemistry to Franciscan Values
Reflections on Connection of Chemistry to Franciscan Values
5 pages (1250 words) , Research Paper
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Without the necessary transformation, it would occur difficult for a Franciscan to realize the significance of other associated core values especially as they, in the similar manner, apply to the approach of refining student character and making one adequately capable of handling academic and professional tasks as in the scientific endeavour of exploring studies within the realm of chemistry.
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Literature Search/Review Assignment on The role of excipients in tablets
Literature Search/Review Assignment on The role of excipients in tablets
4 pages (1000 words) , Literature review
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It is worth noting that the quality, concentration, and selection of excipients could directly influence the pharmacotherapy outcome.2 A change in the components such as the change in the quality or quantity of excipients might alter the quality of the finished product, efficacy or quality.
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CV personal statement with 2 page to answer
CV personal statement with 2 page to answer
4 pages (1000 words) , Download 4 , Assignment
A) The sequence of these metabolites during glycolysis in yeast. Acidic conditions: glucose ? fructose 1, 6-bisphosphate fructose 1, 6-bisphosphate ? 2 glyceraldehyde 3-phosphate glyceraldehyde 3-phosphate ? 1, 3-bisphosphoglycerate 1, 3-bisphosphoglycerate ?
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Pharmacology
Pharmacology
6 pages (1500 words) , Essay
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No inhalation of the spray should take place. An initial one-metered dose ought to be sprayed below the tongue at an attack’s onset, followed by another metered dose within a period of five minutes should pain relief not occur. It is recommended that it should not exceed two metered doses.
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Chapter 12: Biosignaling
Chapter 12: Biosignaling
3 pages (750 words) , Download 0 , Term Paper
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The functions of these signals usually form the fundamental basis of life. According to the Biosignaling, the bacterial cells of receive constant signal input from the membrane proteins that are information receptors.
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Nuclear generators
Nuclear generators
3 pages (750 words) , Term Paper
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Photochemical Somog
Photochemical Somog
3 pages (750 words) , Download 0 , Assignment
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An interesting issue is the development of photochemical smog – a question that has been considered by a number of scientists. To gain a better insight into this matter I will seek to discuss the chemical reactions causing the formation of such a hazardous condition.
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Synthesizing Sodium Ferrate
Synthesizing Sodium Ferrate
5 pages (1250 words) , Lab Report
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This week’s module begins with four activities. First, sodium ferrate will be synthesized using a wet chemical method. Then the yield of sodium ferrate produced will be calculated. Next, Beer’s Law (see Appendix 1) will be used to convert absorbance readings to actual concentration values of ferrate.
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Ketobemidone
Ketobemidone
6 pages (1500 words) , Research Paper
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Ketobemidone has the ability to calm pains that do not respond effectively to other opioids. This property is attributed to NMDA, which originates from its component, metabolite norketobemidone. Ketobemidone remains a vital pain killer during surgeries and also quell severe pain caused by various ailments like cancer and fractures among others.
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Isotopes in archeology
Isotopes in archeology
5 pages (1250 words) , Essay
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Except for hydrogen, all other known stable atoms have protons and neutrons in equal numbers, this balance is absent in the case of isotopes. The atomic number of an element is determined by the number of protons present on its atom, while the atomic mass is calculated based on the present neutrons (Saunders and Katzenberg, 1992).
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Enzyme Amylase Lab Report
Enzyme Amylase Lab Report
5 pages (1250 words) , Lab Report
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It proved that high enzyme concentrations and optimum pH levels and temperatures increased enzyme activity. Introduction: Amylase is an enzyme that helps in breaking down starch to form sugars such as maltose and glucose. In human beings it is found in the saliva.
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Analytical Science
Analytical Science
3 pages (750 words) , Download 2 , Essay
’ The problems regarding to the safety of the drugs are a common problem in the existing world today, that is in the both developing and the developed countries. Some of the incidences have ended up in accidents, most often the children being victims. These are caused by using drugs that contain toxic impunities or substances, these drugs are claimed to have not been verified, the drugs with severe adverse reactions and those with unknown reactions.
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Serotonin Research Paper
Serotonin Research Paper
7 pages (1750 words) , Download 1 , Research Paper
Human beings have a deficiency or defect concerning a neurotransmitter called serotonin. Serotonin is an important messenger molecule in the brain that affects aggression, appetite, impulse control, mood, pain, sleep, and social life.
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Improving Waste Management Strategies for Small Livestock Farms
Improving Waste Management Strategies for Small Livestock Farms
3 pages (750 words) , Term Paper
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It is of concern is the fact that these small farms do lack the potential to handle the amount of waste that emanate from their operations. This Trend if unchecked can lead adverse effects on the environmental health. Under the clean water act, the government requires individual to apply for a title in case they want they want to operate any of CAFOs to apply for a permit (Ciravolo p 255).
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Optical isomerism in Thalidomide
Optical isomerism in Thalidomide
3 pages (750 words) , Essay
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The victims of the drug worldwide are estimated to range between 10000 and 20000. On the other hand, thalidomide has been recognized as a valuable treatment to other medical conditions and has been prescribed in various other nations. Its use though still remains controversial.
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Calcium Element Chemistry Research Paper
Calcium Element Chemistry Research Paper
3 pages (750 words) , Research Paper
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(Earnshaw and Greenwood, p. 109) It has been known since ancient times in its carbonate form as limestone, from which the Romans produced lime, called calyx in Latin. (Helmenstine, p. 1)The metal form of calcium was discovered by the English scientist Sir Humphrey Davy, in his laboratory in London in 1808.
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Essay on Lewis Structures
Essay on Lewis Structures
3 pages (750 words) , Essay
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This concept of the Lewis structure states that the inner electrons, which occupy the energy levels closest to the nucleus of the element are represented as a part of the element with the nucleus and electrons being the element notation in the diagram. The outermost electrons, which are involved in bonding (forming or sharing), are represented as dots around the element notation, usually two in number at the four compass directions and the unpaired electron as a single dot occupying any of the locations (Schodek and Bechthold 191 ).
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Kinetic versus Thermodynamic Control in Competing Reactions
Kinetic versus Thermodynamic Control in Competing Reactions
7 pages (1750 words) , Download 4 , Lab Report
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Center of discussion in this paper is cyclohexanone semicarbazide, a component having a molecular formula written as C7H13N3O, as well as a molecular weight of about 155.1976. Its two dimension structure are represented in following research. Cyclohexanone semicarbazone adopts a distorted conformation chair with a high total puckering of the rings that are numbered.
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A New Method for the Preparation of an Intermediate for the Synthesis of Mycolic Acids
A New Method for the Preparation of an Intermediate for the Synthesis of Mycolic Acids
20 pages (5000 words) , Dissertation
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The alcohol then oxidized and chain extension. This pure intermediate will be used for the preparation of different mycolic acids. Notably, it is worth stating the above experiment can be conducted in different ways including the old method and the recently deduced method.
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Teaching Reflection
Teaching Reflection
6 pages (1500 words) , Essay
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TEACHING REFLECTION ESSAY-CHEMISTRY (Author’s name) (Institutional Affiliation) According to Dingrando (2002, p.14), teaching chemistry puts an emphasis on a variety of approaches geared towards identifying goals of education that cover intended targets in the personal, intellectual, and social domains.
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Anode materials in Li-ion batteries
Anode materials in Li-ion batteries
7 pages (1750 words) , Research Paper
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An anode material not only enhances the productivity of batteries but it also makes it less costly. To comprehend the logic behind the use of anode material it is important to first understand the properties of materials used while analyzing their specific purposes.
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Toxic in Homes
Toxic in Homes
2 pages (250 words) , Essay
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If from the simplest activities people do from the time they wake up to the moment they sleep they are exposed to harmful chemicals, one should not wonder why even the advent of advanced health, beauty, and cleaning products cannot prevent the rise of numerous and new diseases and illnesses almost every day.
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