Chemistry Essays

Latest Chemistry Essays

• Calorimetry Experiment to Identify Unknown MetalPublished: Mon, 23 Sep 2019Extract: Calorimetry Lab Report   Introduction The process of measuring the amount of heat released or absorbed during a chemical reaction is known as calorimetry. Because calorimetry is used to measure the heat of a reaction, it is a crucial part of thermodynamics. By knowing the change in heat, it can be determined whether or not […]
• Applications of IbuprofenPublished: Mon, 23 Sep 2019Extract: Ibuprofen  Ibuprofen is a nonsteroidal anti-inflammatory drug used for many purposes and is one of the most commonly used medications worldwide. Some of the reasons for which it is used include fever, pain, and inflammation. It was discovered in 1961 by Dr. Stewart Adams and launched in the United Kingdom in 1969 as Bufrin and […]
• Reactions of Aldehydes and KetonesPublished: Mon, 23 Sep 2019Extract: Reactions of Aldehydes and Ketones Introduction In this experiment, many tests were performed on an unknown to determine its identity. The tests that were used include: Tollens Test, Iodoform Test, and the preparation of solid derivatives with the use of both 2,4 – dinitrophenylhydrazone and semicarbazone1. The reactivity of the carbonyl group is utilized in […]
• Development of Orally Dissolving FilmsPublished: Mon, 23 Sep 2019Extract: Summary Orally dissolving films (ODF) have become a key part of the medical operations and treatment executions. The project seeks to develop a working and efficient continuous method that will ensure a functional ODFs production. The new method should be explicitly capable of reliably producing uniform thin films that have poor water solubility to enhance […]
• Ionic BondingPublished: Mon, 23 Sep 2019Extract: Sodium chloride, NaCl, is made up of sodium and chlorine atoms bonded together.  Sodium is a metal found on the left-hand side of the periodic table.  Chlorine is a halogen (non-metal) found on the right-hand side of the periodic table.  According to the octet rule, it is preferable for atoms to have full noble gas […]
• Applications of EME2 AsphaltPublished: Mon, 23 Sep 2019Extract: What is EME2 Asphalt High modulus asphalt was developed in France in early 1990s and has been also introduced into other locations such as the United Kingdom and South Africa. Through a combination of high modulus and superior fatigue resistance, permanent deformation resistance, high durability and moisture resistance, the primary intention was to be able […]
• Viability of Selective Laser Melting of Commercially Pure Titanium on Stainless Steel SubstratePublished: Mon, 23 Sep 2019Extract: Abstract Titanium and Stainless Steel are two metals which are known to be very beneficial in various industries and applications. Many industries optimize steel and stainless steel by bonding them with titanium and its alloys. This is because titanium is half the density of steel, making steel/stainless steel more durable and stronger. However, majority of […]
• Modification of Thioguanosine with the Ferrocenyl GroupPublished: Mon, 23 Sep 2019Extract: The modification of thioguanosine with the ferrocenyl group to prepare new redox-active coordination polymers and gels. Aims To apply protecting group chemistry to allow for the controlled synthesis of organic nucleosides (Thioguanosine) appropriate for the addition redox active groups To incorporate redox active groups such as ferrocenyl groups to nucleosides synthesized to achieve new redox […]
• Use of Chlorine in Ecology, Chemistry, Astronomy, and ElectricityPublished: Mon, 23 Sep 2019Extract: The Importance of Chlorine Exploring The Use Of Chlorine In Ecology, Chemistry, Astronomy, And Electricity [This image displays a gas mask. This is because chlorine is a poisonous gas,and has been used as a chemical weapon.][15] CHEMISTRY Chlorine is one of the most sufficient, and frequently occurring elements. It has a critical role in the […]
• Development of Iodine-131-TherapiesPublished: Mon, 23 Sep 2019Extract: Figure Source NTP Radioisotope SOC Ltd Iodine-131-Therapies Report on MEDICAL TECHNOLOGY Contents Introduction History of Development The Underlying Physical Principles Iodine-131 Clinical Uses Drawback Contraindications Refference Introduction   Cancer has been treated with radiopharmaceuticals since the 1940s. The radionuclides initially utilised, including Iodine-131 and P-32, are still being used. The job of the physicist in […]
• Herceptin for Treatment of Breast CancerPublished: Mon, 23 Sep 2019Extract: Herceptin  Trade Name: Herceptin Generic Name: Trastuzumab Structure: Formula: C6470H10012N1726O2013S42 Molar Mass: 145531.5 g/mol In 2018 Herceptin was number 4 in the Top 10 Biopharmaceutical Drugs, based on USA sales monitoring 2017, Biotech Industry. Global sales in 2017 were $7.4 billion. Description of disease: Herceptin is a major drug for treating HER2-positive breast cancer, it is […]
• Composition and Qualities for Wort to Pitch YeastPublished: Mon, 23 Sep 2019Extract: Literature Review title: The composition and relevant qualities of a wort that ensures it is suitable for pitching yeast. INTRODUCTION Brewing is one of the oldest known biotechnological processes, with the first records dating the process back to Mesopotamia then Egypt circa 6000BC, during the revolution of hunter-gatherers to farmers and breeders. Kas was the […]
• Production of Artisan Bakery & ViennoisseriePublished: Mon, 23 Sep 2019Extract: 1.0 Introduction This assignment compromises of an investigation into the production of artisan bakery products in a small-scale artisan bakery by identifying the functionality of raw materials and how they can have an effect on a bakery product, such as water, sugar, salt, yeast and fats. According to one author in the field, (Figoni, 2011) […]
• Measuring Fluid Viscosity and Effects of Shear RatePublished: Mon, 23 Sep 2019Extract: Contents Risk Assessment Justification Materials and Equipment Procedure 1 (Viscosity varying temperature) Procedure 2 (Varying sheer stress) (Ketchup and Mayonnaise) Procedure 3 (Viscosity varing shear rate)(cornstarch) Design of Experiments DOE 1 DOE 2 References 1.1 Risk Assessment Justification  Calibration of Rheometer – The hazard that would cause the biggest issues for the system are the […]
• Fabrication and Investigation of the Properties of 2D Hybrid MaterialsPublished: Mon, 23 Sep 2019Extract: Fabrication and Investigation of the Properties of 2D Hybrid Materials Abstract: 2D nanomaterials have the potential to redefine and enhance our lives from invention of wearable electronics to the production of pollutant free water. This literature review explores the properties of these 2D materials and its future prospective, focusing on the fabrication of hybrid materials […]
• Effect of Hydrogen Peroxide Concentration on DecompositionPublished: Mon, 23 Sep 2019Extract: My research question:     How does the change in concentration of hydrogen peroxide affect the initial rate of decomposition of hydrogen peroxide, catalysed by catalase from yeast? 1. Introduction and Background  Enzymes are proteins, therefore are a long chain of amino acids that took a specific                                     three- dimensional shape. In the three- dimensional shape […]
• Ethanol: A Leap Towards Alternate Fuel TechnologyPublished: Mon, 23 Sep 2019Extract: ABSTRACT: In this contemporary world we face many critical challenges. One of the most important challenges that very much concerns the environment is the global warming and depletion of key non- renewable resources Due to extensive growth in population and the improved standard of living, results an increasing concern that there will be a shortage of energy to heat our homes and power […]
• A General Overview of the Element PlatinumPublished: Mon, 23 Sep 2019Extract: A general overview of the element platinum Abstract: Introduction: The purpose of this report is to describe and detail the findings of my research into the metal platinum. The first section of this report will investigate the chemical, physical, mechanical and thermal properties of platinum. The second section will cover the various methods of how […]
• Industrial, Agricultural and Pharmaceutical Uses of ChitinasesPublished: Mon, 23 Sep 2019Extract: Introduction: Chitinases (E.C 3.2.2.14) are glycosyl hydrolase enzymes that break down the linear polymer chitin which is found in fungal cell walls, yeast, algae, shellfish and the exoskeleton of insects; after cellulose chitin would be the most abundant polysaccharide found in nature (Javed et al., 2013). Chitinases are synthesised by bacteria, fungi and digestive glands […]
• Experimental Chemical Reactions in Chaotic FlowsPublished: Mon, 23 Sep 2019Extract: ABSTRACT Chaotic advection and chaos theory are two very related topics that have been put on a pedestal among the chemical engineering community, as applications of the idea are in high demand in fields such microfluidics and packed media. The aim of this research project is to continue the good work done in the first […]
• Hazards of Hydrogen Peroxide in Hair DyePublished: Mon, 23 Sep 2019Extract: Prologue: After completing all the scientific units of this semester. I have learned plenty of new things such as: how to create a petition, how to cite a website in APA format, how to create a proposal letter, scientific terms, and even learned that gummy bears are reactive to liquid. More things I have learned […]
• History of the Periodic TablePublished: Mon, 23 Sep 2019Extract: Throughout history, scientists have continually searched for a way of arranging elements in a logical order that shows the similarities and differences between their properties. The Periodic Table of today lists elements in order of atomic number (which is the number of protons a specific element has). Whilst historically, many scientists have tried to arrange […]
• UV-Vis Analysis of a Suspected Date-Rape SamplePublished: Mon, 23 Sep 2019Extract: UV-Vis Analysis of a Suspected Date-Rape Sample Figure 1. Structure of Ketamine Image from: http://www.chemspider.com/Chemical-Structure.3689.html 1.0 Introduction Ketamine is an analgesic and anaesthetic (prevents pain) which is managed in the medical industry. It has various forms such as powder, pills and liquid form which can be injected (Stevens, 2018). It is one of many Date-Rape […]
• Chemistry and Development of a BatteryPublished: Mon, 23 Sep 2019Extract: Battery Chemistry Table of Contents 1. Experimental 1.1 Materials and Apparatus 1.2 Schematic 1.3 Experimental Procedure Part A: Discharging a 12V lead-acid battery: Part B: Making an alkaline battery: 2. Results and Discussion 2.1 Part A: Discharge of a Lead-acid battery 2.11 Relationship between the overall potential and the standard  potential of a cell 2.12 Using the Nernst […]
• Procedure for Extracting ParacetamolPublished: Mon, 23 Sep 2019Extract: Assignment title Preparing Aspirin You are a research and development technician, working for a company trying to optimise solvent extraction for one of its preparative processes. Complete the procedure to extract aspirin and write a lab report. Tasks Task 3.1 – Production (Part of P1) Follow the procedure to prepare a sample of aspirin. Make […]