Any problems with chemistry homework? You definitely need some chemistry help online for free if you are interested in writing chemistry essays, case studies, lab reports, and research papers. Studentshare.net gathered the best papers provided by our loyal contributors. All uploaded Chemistry papers on our site are checked and edited. We provide the best free chemistry help online for all the curious English-speaking students from different parts of the world. They suit both chemistry and medical degrees you are trying to gain. Stay calm and develop your own academic paper along with StudentShare.net!
Aspirin
14 pages (3514 words) , Download 9
Premium quality
The whole experiment has been risk assessed to ensure complete safety in the laboratory during the process of this experiment.
CV personal statement with 2 page to answer
4 pages (1004 words) , Download 3
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 ?
Synthesis of Dibenzalacetone by Aldol Condensation of Benzaldehyde and Acetone
7 pages (1757 words) , Download 2
Aldol condensation proceeds via an addition reaction between an aldehyde and a ketone, resulting in the formation of an aldol. The aldol product undergoes dehydration to give an enone product. In the present experiment, benzaldehyde, an aldehyde, reacts with acetone, a ketone, to give dibenzalacetone.
Properties of Gases
7 pages (1757 words) , Download 2
Premium quality
The experiment was meant to identify various gases by investigating their physical and chemical properties. Some chemical reactions or chemical decomposition reactions result in the production of gaseous products. For instance, hydrogen gas can be prepared in the laboratory through the reaction of a reactive metal and a strong acid.
What effect does the brightness of light have on the growth rate of a plant?
4 pages (1004 words) , Download 2
Introduction Plants are important in the continuing existence of life, as it provides food for animals. What is interesting about plants is that they make their own food, and factors that may affect this can understandably deplete resources for the other functions of the plant, such as growth.
electrochemistry
3 pages (753 words) , Download 2
Free
No matter how the transformation or change is generated or produced, the voltage will be produced because of the transforming or changing magnetic field strength, moving a magnet away or towards the coil. 2. What is a galvanic cell and how does it work? Galvanic cells collect the electrical energy present from the electron transmission in a redox response or reaction to carry out an important electrical work.
Case study on Biochemistry
4 pages (1004 words) , Download 2
When the cycle is incomplete, and the product is not formed, the function of the organism cannot properly take place. Without enzymes, the reactions needed for biological processes of the body would take at a slower rate or fail to take place.
OXIDATION OF METHIONINE BY SINGLET OXYGEN
12 pages (3012 words) , Download 1
(Herzberg, 1934). Over the past twenty five years significant increase in data regarding singlet oxygen has led to the recognition of its importance in organic chemistry, biochemistry and medicine. Singlet oxygen is an extremely reactive, nonradical, electrophilic molecule.
Customer Satisfaction and service quality in the Mobile Telecommunication Industry: A Case Study of MTN Nigeria
10 pages (2510 words) , Download 1
Customer satisfaction describes the situation where the total percentage of people using a product expresses satisfaction to a certain product. Previous research has shown that customer’s attitudes have changed over the years with customers becoming more demanding and less tolerant in their expectations.
The cylindrospermopsin alkaloids
10 pages (2510 words) , Download 1
Cylindrospermopsin is regarded as an important algae toxin which has been associated with contamination of surface water. CYN is chemically classified as a trycyclic alkaloid composed of a trycyclic guanidine moiety joined with hydroxymethyluracil (Masten 2000).
Influence of Drilling Fluid on oil Recovery in Homogenous Reservoirs
11 pages (2761 words) , Download 1
Mining industries around the globe are under constant scrutiny as far as the treatment of contaminated water is concerned. There is mounting pressure for mining industries to adopt effective and advanced methods that are environmentally sustainable. Water management has often been the most challenging, as well as long term environmental liability.
The Synthesis of Sulfanilamide
4 pages (1004 words) , Download 1
These were the first efficient drugs to treat and prevent bacterial infections. Generally, sulfa drugs contain sulfomide structure. Most of these drugs are antibiotics and they act by inhibiting folic acid biosynthesis. The general structure of sulfa drugs is as indicated in the graphic below.
Analytical Science
3 pages (753 words) , Download 1
’ 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.
Markovnikov’s Rule
5 pages (1255 words) , Download 1
Premium quality
This rule was formulated in 1870 by a Russian scientist named Viadimir Vasilevich Markovnikov. The rule states that whenever a protic acid (HX) is added to an alkene, the hydrogen acid (H) becomes attached to the carbon that has less alkyl substituent, whereas the halide (X) group becomes attached to the carbon with increased alkyl substituent.
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 (1004 words) , Download 1
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.
Compressed Hydrogen Production Via Reaction Between Liquid Ammonia And Alkali Metal Hydride
3 pages (753 words) , Download 1
Free
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.
lowry assay
4 pages (1004 words) , Download 1
Introduction and Aims The aim of protein assay is to understand how to draw a curve by using prepared solutions to establish the concentrations of unknown solutions of albumin using spectrophotometer. According to Senaratne, Park and Kim (2006), it helps to properly understand the difference between qualitative and quantitative testing.
Lipoprotein abnormalities associated with alzheimer's disease, diabetes, atherosclorosis
10 pages (2510 words) , Download 1
Lipoproteins are separated into various categories on the basis of density at which they float through ultracentrifugation. These macromolecules are further categorized depending on electrophoretic ability, particle size or affinity chromatography. These specific classes have distinct metabolic functions.
Chemistry and Computer Science
3 pages (753 words) , Download 1
Free
Moreover our cars and power generation units convert chemical energy in fuel to a more useable form. Chemistry has a deep relation to the computers and computer technology. The way we moved towards the more energy efficient electrical and electronic products depicts that generation after generation, the knowledge about the utilization of chemistry enhanced in huge amount.
COLOURIMETRY PARACETAMOL
4 pages (1004 words) , Download 1
When monochromatic light goes through a coloured solution in a cell, a portion of the radiation is taken in and another fraction is transmitted. Colourimetry is a hands-on application of the Beer-Lambert law to establish the proportion of light that is transmitted by a solution containing a coloured solute, and using that information to ascertain the concentration of the solute.
Chemistry
1 pages (251 words) , Download 1
For example, most enzymes are sensitive to pH and temperature. The same is true for some catalysts such as manganese salts that are pH sensitive and heat sensitive, requiring controlled conditions to work.
Protective equipment
4 pages (1004 words) , Download 1
d). This reactive property of chemicals is employed in a wide range of industries such as food production, material production, pharmaceutical, and others. Conventionally, many such industries do not always categorize the unique behaviour of
The Synthesis of Sulfanilamide
4 pages (1004 words) , Download 1
Most of these drugs are antibiotics and they act by inhibiting folic acid biosynthesis. The general structure of sulfa drugs is as indicated in the graphic below. The use of the drug is based on the concept of metabolic antagonism. Sulfa drugs
Coral Reefs
4 pages (1004 words) , Download 1
he ecosystem of the oceans (and throughout the world), how they are important to preserve, how they are being destroyed, and what can be done to slow/stop this destruction while at the same time engaging people with the need for change. Through such a discussion, it is the hope
The function and mechanism of AlkB.
4 pages (1004 words)
Only on StudentShare
Investigations on crystal structure and mechanism of AlkB have involved the use of both native and recombinant protein. Recombinant enzyme, entire as well as truncated form is produced through homologous expression; the former cloned in pET21b vector and expressed in BL21 (DES) competent cells; while the latter cloned in pET30a vector and expressed in BL21 competent cells.
How Gas Laws Apply In the Health Care Industry?
12 pages (3012 words)
Only on StudentShare
Gas laws play a significant role in everyday life. The laws have a significant influence on the lives of living organisms. The atmospheric pressure, respiratory system of living organisms, etc all work according to the ideas detailed in the gas laws. Under an uncontrollable condition, gas a high-pressurized gas can be as dangerous as a nothing in the world.
Analysis of drugs in Saliva and other body fluids: Microextraction
10 pages (2510 words)
Only on StudentShare
Using novel methods in separation science, analytes in bodily fluids can be qualified and quantified within a matter of a few minutes. The most widely used techniques include HPLC, GC-MS, LC-MS methods of separation and analyses. In addition to these, chromatographic variants such as electrophoresis (capillary and SDS-PAGE) and TLC are frequently used. Liquid-liquid or solid-liquid extractions, shakeout and partitioning have been the age-old procedures to achieve separation.
investigating the effects of mutation on active site amino acids of beta-lactamase
11 pages (2761 words)
Only on StudentShare
Generally, there are two ways of producing modified proteins. Usually, turns and loops are the first areas of interest while considering engineering of new binding sites. Modifications are done either by creating new binding sites introducing random mutations on the surface of strands, helices or randomization of already existing regions that connect secondary structures.
The Cylindrospermopsin Alkaloids
19 pages (4769 words)
Only on StudentShare
Issues have been raised regarding toxicological properties of these natural compounds, detection of their presence in water and subsequent removal. The unprecedented structural features of these alkaloids consist of a uracil ring covalently linked to a sulfonated tricyclic guanidine.
Impact of Reservoirs in the UK on the Surrounding Community
11 pages (2761 words)
Only on StudentShare
The paper aims to gain a proper understanding of reservoirs and their function in the society in order to better appreciate the literature relating to the impact of reservoirs in the UK on the surrounding community. This will allow for a better grasp of the issues relating to their impact on communities in which they are built and to which they supply water for drinking and household activities.
Supramolecular Polymers based on Hydrogen Bonding
14 pages (3514 words)
Only on StudentShare
This paper discusses supramolecular polymers in general and hydrogen-bonded supramolecular polymers in particular. Molecular recognition, mechanism of polymerization and self-assembly processes of supramolecular polymers are also reviewed. This paper also provides a brief overview of their rheology and applications.
Adsorption/desorption of Chlorohexidine (CHX) on Flax and Cotton fibers
34 pages (8534 words)
Only on StudentShare
The research was aimed at construction of adsorption isotherms of chlorhexidine to flax and cotton fibres. Such isotherms are common in describing adsorption and comparing the performance of different adsorbates and adsorbents. In this particular work the amount of chlorhexidine was presented as a function of concentration at constant temperature.
Fires in Underground Transport Systems
12 pages (3012 words)
Only on StudentShare
The purpose of this research is to investigate the following: Description of Major Incidents such as King’s Cross fire, Kaprun fire disaster and 1995 Baku Metro fire; A critical analysis on chemical explosions (or fires); Toulouse chemical explosion; Consequences of explosions and a critical appraisal of the discussion.
The second part X-ray Diffraction (XRD) Powder X-ray
14 pages (3514 words)
Only on StudentShare
The second part X-ray Diffraction (XRD) Powder X-ray. Powder X-ray diffraction is among the primary methods, which are used by solid-state chemists and mineralogists to examine physic-chemical build-up of solids, which are unknown to them. The data is denoted in a group of single-phase X-ray powder diffraction forms of three strong D values in table form (Khan 24).
The Effects of Alcohol Abuse on a Diagnostic Imaging Department
22 pages (5522 words)
Only on StudentShare
The research question will be addressed through research at a single hospital where individual staff members will be interviewed for their perceptions on the problem. Additionally, patients will be observed for evidence of intoxication, and the proportion of injuries that were influenced by alcohol consumption will be determined from department records.
Morpholins anti-cancer drugs
13 pages (3263 words)
Only on StudentShare
The target series of compounds was produced through reductive amination between four amines and a dialdehyde produced from α-D-glucopyranose. The amines that were used in the project are: butyl amine, benzyl amine, L-phenylalanine and Tyrosine-OMe.
OXIDATION OF METHIONINE BY SINGLET OXYGEN
41 pages (10291 words)
Only on StudentShare
Table of Contents Abstract 2 Introduction 3 Singlet and triplet oxygen 4 Formation of singlet oxygen 6 Type I and Type II oxidation pathways 8 Photosensitizers 10 Aromatic hydrocarbons and organic dyes 10 Phthalocyanines, porphyrins and other tetrapyroles 14
Quantum and Thermochemical Structure lap report
12 pages (3012 words)
Only on StudentShare
Introduction: The emission of electrons from metals irradiated by light was first observed by Becquerel in 1839. Under a classical model of light, one would expect the energy of the ejected electrons to be related to the intensity of the light waves used, and also that light waves of any frequency would be effective in ejecting electrons.
EQ Industrial Services (EQIS) Plant Explosion
11 pages (2761 words)
Only on StudentShare
Introduction Reports on 6th October reveal that the EQ Industrial Services plant located at Apex, a suburb of Raleigh in North Carolina, suffered a big chemical explosion attack. The explosion was preceded by fire followed by additional number of explosions that caused air contamination due to the toxic fumes that were emitted from chlorine.
E-commerce and Its Importance in Business
12 pages (3012 words)
Only on StudentShare
Almost, all the sectors including finance, retail and communication segments of businesses are enormously being affected by e-commerce activities. In other words, it can broadly be stated that e-commerce has dramatically changed the business modes by a significant level.
Cylyndrospermospis (CYN) Algae
20 pages (5020 words)
Only on StudentShare
Such toxicity hazards from seafood are recognized internationally when they are from marine algae (diatoms and dinoflagellates), but nowadays few risk assessments for Cylindrospermopsin in seafood have been conducted. This paper estimates the risk from Cylindrospermopsin contaminated seafood, and provides strategies for safe human consumption.
Research Methodology - Research Findings of Etisalat Telecorporation and the result
12 pages (3012 words)
Only on StudentShare
Emirates Telecommunications Corporation – Etisalat has adopted as a strategy of outsourcing information technology in order to gain competitive edged in the telecommunications market in UAE and the Middle-East. A research study has been carried out to find the relationship of outsourcing of IT adopted as a strategic initiative and the profitability and sustainability of Emirates Telecommunications Corporation – Etisalatm (Henry, 2008, p.17).
A harmful impact of acid rain
5 pages (1255 words)
Only on StudentShare
: Acid Rain “Acid rain is a worldwide environmental issue that has seriously destroyed forest ecosystems” (Liu et al). When rain water consists of excessive acid content, we call it as acid rain. The development of industries, power plants and the increased use of automobiles have polluted the atmosphere immensely and as a result of that the normal structure of the atmosphere has been changed a lot.
Thermoplastic Copolyester nancomposites for biomedical applications
6 pages (1506 words)
Only on StudentShare
Nanocomposites are polymers containing particles in the matrix that possess at least one dimension of the dispersed particles in the nanometer range (
therapeutic polysacchraides
9 pages (2259 words)
Only on StudentShare
In simple terms, it can be said that sugars, starches, cellulose and several other compounds present in the living organisms are carbohydrates. These compounds are classified based on their chemical structure into monosaccharides, disaccharide, oligosaccharides and polysaccharides (Zamora, 2011).
Therapeutic polysacchraides
6 pages (1506 words)
Only on StudentShare
Because of their unique composition and structure, the important role that polysaccharides will play in the future of research is undeniable. On a fundamental level, polyssarcharides are defined as polymeric chains composed of mono- or di-saccharides bound together by glycosidic bonds, a special type of covalent bond.
Processing Petroleum
6 pages (1506 words)
Only on StudentShare
Once crude oil is extracted it is itself a mixture of various lighter factions of organic liquids. The composition of crude oil varies from location to location though the change is not highly significant. The commonest factions that compose crude oil are generally alkanes, cycloalkanes, aromatic hydrocarbons and other organic compounds that are constituted from sulphur, oxygen and nitrogen along with trace amounts of transition metals such as vanadium, nickel, iron and copper.
Clonidine/Quinapril
6 pages (1506 words)
Only on StudentShare
Clonidine is metabolized by the liver and degrades into four main metabolites when exiting the body in the urine. Currently, only p-hydroxyclonidine is identified by clinical research as present in the urine as a byproduct of the degradation reaction of Clonidine in patients. (DrugBank, 2011)
Does the amout of Solution effect the Crystalization of Copper Sulfate
5 pages (1255 words)
Only on StudentShare
The hypothesis to verified in this experiment can be stated as; Increase in concentration result in increase in the rate crystallization In this experiment, copper sulfate solutions with varying concentration are used to see whether there is a relationship between concentration and the rate of crystallization.
New Malaria Vaccine
6 pages (1506 words)
Only on StudentShare
Hence all efforts must be channeled to find a robust vaccine for preventing it. Hence, research in this area is going at an intense pace in recent years. But unfortunately, there are no foolproof vaccines that have been formulated yet. A vaccine by name RTS S/AS01, which was put to trial during 2009, is specifically addressed to vulnerable children in the Third World.
1 - 50 results of 677 items