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Chemistry Essays

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Example Chemistry Essays (Page 24)

Novel Dihydroquinoline Derivatives Facile Synthesis
Example essay. Last modified: 18th Aug 2017
Introduction: Facile synthesis of novel dihydroquinoline-3,3-dicarbonitriles in the presence of glacial aceticacid as catalyst under solvent-free conditions Masoud Nasr-Esfahani* and Elham Kanaani Department of C...

Microwave-assisted Extraction Technique for Oil Extraction
Example essay. Last modified: 18th Aug 2017
Introduction: Result and discussion Optimization by central composite design An experimental procedure based on the CCD was adopted for three independent variables (extraction time, irradiation power and moisture...

Reaction Rate of Hydrochloric Concentration
Example essay. Last modified: 18th Aug 2017
Introduction: Hydrochloric Intensity The purpose of the experiment was to gather an understanding for the chemical reactions, depending on the concentration. The rate of reaction is the speed of the chemical reac...

Multifunctional Porous Organics Synthesis
Example essay. Last modified: 18th Aug 2017
Introduction: TITLE OF WORK The synthesis and characterisation of functionalized porous organics Abstract Lophine based radicals have been studied for many years due to their photochromic nature, recent...

Reactions of Copper and Percent Yield
Example essay. Last modified: 18th Aug 2017
Introduction: Purpose-The purpose of this experiment is to examine the chemistry of copper and with the concept of percent yield. /2 Procedure- CHEM16882, Applied Chemistry1 Laboratory Manual Experiment no.6 post...

Effect of Buffers on pH Levels
Example essay. Last modified: 18th Aug 2017
Introduction:  Abstract A buffer is a solution that helps keep the pH of other solutions at a steady level with the addition of limited acids or bases. The purpose if this experiment was to figure out how to cre...

Polycystic Kidney Disease Causes and Treatment
Example essay. Last modified: 18th Aug 2017
Introduction:  Introduction: Polycystic kidney disease effects roughly 10 million people worldwide. Even though this disease is so prominent it lacks research in the field of therapeutics from biopharmaceutical ...

Bio-based Polymers and Their Future Trends: Article Review
Example essay. Last modified: 18th Aug 2017
Introduction: The selected article, ‘Current progress on bio-based polymers and their future trends’[1], provides insight into the present tendencies, technological advancements, and the prospective u...

Limiting Reactant Effect on Lab
Example essay. Last modified: 18th Aug 2017
Introduction: The Limiting Reactant Lab ABSTRACT The purpose of is lab is to see how the limiting reactant effects the whole lab. To determine what the other limiting reactant was and how much of reactant was the...

Cocaine Abuse Detection with Double Confirmation Technique
Example essay. Last modified: 17th Aug 2017
Introduction: Introduction Throughout history, natural and synthetic drugs have been used for many uses. The first drugs were based on natural sources [1] and it is common practice to isolate a drug from its natu...

Polysiloxanes Synthesis and Structure
Example essay. Last modified: 17th Aug 2017
Introduction: Abstract Silicones (polysiloxanes) are widely used inorganic polymers containing silicon atoms. This category includes many other kinds of polymers such as: polysilanes, polysilazanes, polycarbosila...

Synthesis and Characterization of Nylon-6,6 Polymer
Example essay. Last modified: 17th Aug 2017
Introduction: Abstract Synthesis and characterization of nylon-6,6 polymer was performed in this experiment. Nylon-6,6, was obtained from adipoyl chloride and 1,6-hexanediamine monomers, dissolved in cyclohexane ...

Diels-Alder Reactions Experiment
Example essay. Last modified: 17th Aug 2017
Introduction: Abstract A Diels Alder reaction was done during this experiment between anthracene and maleic anhydride via to yield 9, 10-dihydroanthracene-9, 10-α, β-succinic anhydride. ...

History and Properties of Rubber
Example essay. Last modified: 17th Aug 2017
Introduction: History of Rubber Rubber was first discovered by the Indians living in Central and South America at around 1000 CE. The native people of the Americas used latex from the rubber trees (which they cal...

Measuring Binding Constant of Ethidium Bromide (EtBr) to DNA
Example essay. Last modified: 17th Aug 2017
Introduction: ABSTRACT: The principle behind this lab experiment was to determine the binding constant of ethidium bromide to DNA using the known concentrations and the calculated value of X obtained from the e...

Temperature change for CaCO3 and HCI
Example essay. Last modified: 17th Aug 2017
Introduction: Research questions: When the temperature is digressed, or increased will the CaCO3 and HCI have a faster reaction? What happens when the reaction is happening? What happens when Caco3 and HCI meet ...

Chemical Formula of Zinc Oxide
Example essay. Last modified: 17th Aug 2017
Introduction: Purpose – The purpose of this lab experiment is to identify the simplest chemical formula of zinc chloride. Observations In this laboratory exercise you measured the mass of an evaporating dis...

Synthesis and Purification of Nitrophenols
Example essay. Last modified: 17th Aug 2017
Introduction: Abstract Ortho and para-nitrophenol was synthesized using an electrophilic aromatic substitution of phenol and dilute nitric acid. Isolation of the crude product used a dichloromethane followed by a...

Freezing Point Depression Osmometer
Example essay. Last modified: 17th Aug 2017
Introduction: 1. Osmolality is a commonly used unit of measurement that represents the concentration of a solution as the total number of solutes per kilogram of pure solvent (mOsm/kg): where Ø is the osmotic c...

Recent Applications of Keratin
Example essay. Last modified: 17th Aug 2017
Introduction:   Abstract This review discusses the recent applications of keratin and keratin-based materials. Keratin-Based Materials The keratin-based materials are produced from keratin fibers, such as h...

Corrosion Resistance of Electrodeposited Coating
Example essay. Last modified: 17th Aug 2017
Introduction: Qiongyu Zhoua,b, Yadong Zhanga, Xiaofen Wanga, Hebing Wanga, Ping Oua* aSchool of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, PR China bInstitute...

Magnesium Ribbon and Hydrochloric Acid
Example essay. Last modified: 17th Aug 2017
Introduction:  Group members: Kiara Anderson, Laura Knott, Jackson Baker Chosen factors: magnesium (Mg) is known as a chemical element with the atomic number of 12. Hydrochloric acid (HCL) is a strong, colorless...

Magic Methyl Effect: Transition Metal Catalyzed
Example essay. Last modified: 17th Aug 2017
Introduction: The insertion of a methyl group, the smallest alkyl group, into a C-H bond has been shown to enhance such pharmacological charactistics as bioavailability and potency.1 Traditionally, incorporation ...

Re-Crystallization of Boric Acid
Example essay. Last modified: 17th Aug 2017
Introduction:   The purpose to conduct this lab is recrystallization of solid and then identify the effect on solids purity and yield. Part A: Reactions Table 1. quantitative and qualitative observations of reac...

High Reflective Multilayer Film/Foam
Example essay. Last modified: 17th Aug 2017
Introduction: Abstract This work focus on the application of PP/PP film/foam on the reflector. We studied the properties of one mainstream commercial reflector. We try to improve the reflectance and other propert...

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