Synthesis of Aspirin and Oil of Wintergreen INTRODUCTION: Synthesis and use of organic compounds is an extremely important area of modern chemistry. Approximately half of all chemists work with organic chemicals. In everyday life, many if not most of the chemicals you come in contact …
Separation of cream from full cream milk using the Disc- Bowl Centrifuge. Introduction:- Cream is usually a dairy product containing high fat percent, which can be seen floating on the top before the homogenization process. When the milk is unhomogenized, overtime, the fat lighter in …
What is an ionic bond? Typically an ionic bond occurs between one metal and one non-metal ion. One atom borrows one or more electrons from another atom. An ionic bond is a type of chemical bond that occurs when one atom loses an electron to …
Flame Test Lab Question: When a compound is placed in the flame of a burner, what happens to the color of the flame? Hypothesis: When the compound is placed in the flame, the flame changes color depending on the chemical compound. When they’re heated, they …
Among the most notable and controversial Nobel Prize recipients is James Watson. He, together with Francis Crick and Maurice Wilkins, was awarded the Nobel Prize in the year 1962 in the Physiology or Medicine category. He is one of the scientists who discovered the molecular …
Assessment Task: Carbon Chemistry & Functional Groups 1. Why does the carbon atom make so many covalent compounds? Carbon atoms have 4 single valence electrons, which mean they can bond to 4 other atoms. It bonds in a tetrahedral shape, or make straight, bent or ring …
What is osmosis? Osmosis is the diffusion of water molecules through a semi permeable membrane. Why is it important? It is important to know what Osmosis is, and to understand it so that we understand what we are measuring, and so that we can use …
Raman scattering or the Raman effect is the inelastic scattering of a photon. It was discovered by Sir Chandrasekhara Venkata Raman and Kariamanickam Srinivasa Krishnan in liquids,[1] and by Grigory Landsberg and Leonid Mandelstam in crystals. When light is scattered from an atom or molecule, …
Abstract The industrial gas turbine is a key part of modern electricity generation. In 1998 15% of electric power was produced by gas turbines. Due to their efficiency, compactness, reliability and relatively low capital cost 81% of new electric power demand will be met by …
Objective: 1. To determine the efficiency of the solar ray collector under various experimental conditions. Illumination with a halogen lamp. Water temperature? 20°C. a) Complete collector b) Collector without glass plate 2. Illumination with a halogen lamp. Water temperature? 60°C. a) Complete collector b) Complete …
Introduction There are a lot of new materials that has emerged and been used by engineers and scientists such as Aerogel, Metal foam, Bioplastic, Carbon fiber, Graphene and others. This is helping engineers build all new types of machines and instruments such as touch screen …
TM Water Is Essential To Life Term paper Water is Essential to Life Water is Essential for Life Water is the most important substance in our evolution and our daily lives. Without water, life as we know it would not have been possible. … Water …
There are three main factors that control solubility of a solute. Temperature Nature of solute or solvent Pressure Effect Of Temperature Generally in many cases solubility increases with the rise in temperature and decreases with the fall of temperature but it is not necessary in …
Historical development in the field of toxicology and mechanisms and factors responsible for the entrance of toxicants in the human body and their harmful effects Abstract The purpose of this paper is to make a short historical reference in the field of Toxicology and how …
Citric acid reacts rapidly with iron, but is not itself the rusting of iron. The water in the lemon juice helps iron rust, but in the presence of air. The same happens when you open bottle of Coca-Cola, including citric acid, phosphoric acid, carbonic acid …
This essay is about how sunblokck works and the correct methods to use it. It also emphasizes the danger of the sun rays ( UVA/UVB). Many experts have different opinions on the subject but in reality is up to us as individuals to either use …
Abstract What is global warming? Global warming is the heating of the earth. Global warming happens when greenhouse gases such as carbon dioxide, water vapor, nitrous oxide, and methane trap heat and light from the sun in the atmosphere. This is known as the greenhouse …
The fluorite (CaF2) deposits were discovered by prof. Al Amin in 1967 in the areas of Kimwarer, Choff and Kamnaon. He was searching for semi-precious stones, and initially mistook the purple fluorite for gemstone. He therefore collected the sample and took them for analysis in …
Abstract Four pure, unidentified cultures of (gram positive cocci) bacteria, labelled A-D were cultured on various agar media. Also an API test was simulated to identify another unidentified bacterium. Identification of bacteria is important when choosing an effective treatment for a microbial-causing illness. This experiment …
Materials and Equipment Aluminum foil square (around 6cm on a side) 125 mL flask Barometer 3 mL of unknown liquid 200 mL graduated cylinder 600 mL beaker Pin Balance (0. 002g) Bunsen Burner setup Rubber band Thermometer Ceramic center wire gauze Procedure A 125 mL …
Blackbody Radiation Lab 11 Go to http://phet. colorado. edu/simulations/sims. php? sim=Blackbody_Spectrum and click on Run Now. 1) In this lab, you will use the Blackbody Spectrum Simulation to investigate how the spectrum of electromagnetic radiation emitted by objects is affected by the object’s temperature. In …
UNSTEADY STATE HEAT TRANSFER Heat transfer processes are prominent in engineering due to several applications in industry and environment. Heat transfer is central to the performance of propulsion systems, design of conventional space and water heating systems, cooling of electronic equipment, and many manufacturing processes …
From September 6 to 10, 1997, the International Council for Local Environmental Initiatives (ICLEI) held a Cities for Climate Protection (CCP) Campaign – U.S. workshop in Atlanta, sponsored by the U.S. Environmental Protection Agency, The City of Atlanta, The Climate Institute, and The Turner Foundation. …
The application of heat is used for sterilization the duration of time and appropriate temperature should be considered to guarantee destruction of all microorganisms. Wherein, disinfection is used to apply chemicals to objects like chlorination of water so that pathogens will be killed. The implementation …
Introduction Throughout my essay I am going the explore the reasons in which the Vikings and Normans invaded England; and if there reasons were comparable. I will then investigate the Bayeux Tapestry and the techniques used to invade England. Then to conclude come to a …
Introduction In this lab, we are going to learn how the stress of temperature affects fresh beets. We have come to learn that cell membranes organize the chemical activities of cells. All cells are made of plasma membranes, often called fluid mosaics. It is sometimes …
1. | | | What is the pressure, in atm, of a tank of gas with a regulator that reads 1250mmHg? | | | Student Response| Correct Answer| A. | 1. 64| | B. | 490| | C. | 1. 79| | …
Bunker gear or turnout gear is the protective clothing used by a firefighter in fighting fires and during rescue operations. This gear is called turnouts because when not being used, they are kept standing by to be put on swiftly by ‘turning out’ the pants …
The third founder Alexandra (Sash) Compelling) is a 1987 MBA graduate from HOBS. Other MGM’ members include Dana Seaman (HOBS MBA student), Dave Clark (MIT graduate student), and Alexandra Jan Sarasota (Boston Berkeley College Music Business Management and Music Production and Engineering student). The founders …
Applied Heat past Examination Questions 1. An Ammonia refrigerator is to produce 2 tonnes of ice per day at -4°C from water at 20°C. if the temperature range in the compressor is between 25°C and -6°C, Calculate the horsepower required to derive the compressor. Latent …
Conjugation
The word "conjugation" is derived from a Latin word that means "to link together". In organic chemistry terms, it is used to describe the situation that occurs when π systems (e.g. double bonds) are "linked together". An "isolated" π (pi) system exists only between a single pair of adjacent atoms (e.g. C=C)
Kinetic energy
Kinetic energy is the energy associated with objects in motion. Potential energy is the type of energy associated with an object's potential to do work. Chemical energy is the type of energy released from the breakdown of chemical bonds and can be harnessed for metabolic processes.
Physics
Chemical physics is concerned with the application of the concepts and theories of physics to the analysis of chemical systems and their physical behaviour. While also at the interface between physics and chemistry, it is distinct from physical chemistry.
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