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Free research essays on topics related to: atoms

148 results found, view free essays on page:

  • Banner Ads Tv Shows
    1,481 words
    Right now I'm thinking about the Internet, the all-pervasive medium through which I've published my thoughts and work I've done in my free time for several years now. Like mostly everyone else, I communicate with others using the Internet, play games through it, read news, and learn about things. (Except, sadly, I am not convinced the general public is interested in learning. ) And we are all familiar with the "dot com mania" and the insane rise in the NASDAQ - and, sadly, the subsequent fall of...
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  • H 2 O X 10
    1,265 words
    Avogadro's number is the number 6. 0221367 x 10 ^ 23, commonly rounded to just three significant digits: 6. 02 x 10 ^ 23, and is the number of representative particles in a mole. Avogadro's number is commonly used to compute the quantities of substances involved in chemical reactions, called stoichiometry, and is one of the most important and versatile components of modern chemistry. Avogadro's number is named after the Italian physicist Amadeo Avogadro. Avogadro's number first came about when A...
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  • One Of The Most Important Hydrogen Ions
    1,103 words
    In this highly technological world with advanced machines, electronics have been woven into almost every aspect of everyday life. Batteries are integrated into the majority of any electric appliance found in the home and work place, and therefore could be titled as one of the most important tools to ever be invented. The knowledge of how batteries operate is substantial to understanding the basics of any electrical contraption. The first evidence of batteries was dated to be from in the neighbor...
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  • Life On Earth H 2 O
    726 words
    The first thing water reminds us of is the clear liquid in our water bottles. However, water is more than a normal substance. Water is the beginning and the continual of life on earth. Because of its many unique properties, water was able to start life on our planet. The simple structure of H 2 O is the source of all water's properties. With two hydrogen atoms sticking to an oxygen atom in a tetrahedron shape, water is considered as a polar molecule. Because oxygen is very electronegative, it pu...
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  • Ph Of 5 Sulphur Dioxide
    1,087 words
    Acidity is measured using a pH scale, with the number 7 being neutral. A substance with a pH value of less than 7 is acidic, while one of a value greater than 7 is basic. A substance with a pH of 6 is 10 times more acidic than another with a pH of 7. Usually the pH of 5. 6 has been used as the baseline in identifying acid rain, although there has been much debate over the acceptance of this value. Interestingly enough, a pH of 5. 6 is the pH value of carbon dioxide in equilibrium with distilled ...
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  • The Biological Importance Of Water
    1,055 words
    Generally, the main biological importance of water is that life cannot exist without it. In fact on a percentage basis, the majority of any organism is comprised of water. Additionally, it is believed that life first originated in the bodies of water on the earth. The importance of water is seen in such third world countries as Kenya. Where the inhabitants are forced to drink water so dirty and contaminated that they know it might kill them. However they still drink it because its essential for ...
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  • Race For The Super Bomb
    523 words
    Race For The Super Bomb In 1945, America terrified the world by using the Atom Bomb in Hiroshima and later in Nagasaki. This fear of the most powerful weapon ever created started a cold war between America and Russia. These two great nations had started the race for the super bomb, which would have each country trying to out do the other for decades to come. The super bomb in which America and Russia were trying to build was in fact the Hydrogen Bomb. This bomb had an unlimited blast potential a...
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  • Live Their Lives Human Soul
    1,275 words
    During the age of Epicureanism, people questioned the philosophy of Epicurus. In order to understand the history of Epicureanism, the person must first understand the knowledge of how and why it came to be. The how part which helps people to better understand the teachings of Epicureanism is "the art of making life happy. " To people in Athens this was reflected by the people as to why they not live their lives to fully while they are in this world. As for the why part, Epicurus decided in 310 B...
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  • Three Minutes 000 Years
    619 words
    Where is the universe from? Where is it going? How is it put together? How did it get to be this way. These are Big questions. Very easy to ask but almost impossible to answer. We want answers for philosophical reason having nothing to do with science. No one will get rich from discovering the structure of the universe unless they right a book about it. The area of science dealing with Big questions is called cosmology. The reason for it's study is found in the fact that: The universe was born a...
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  • Nitric Acid Scientific American
    825 words
    Chemistry Connections of nitrogen - saltpeter, nitric acid, ammonia - were known long before invention of nitrogen in a free condition. In 1772 D. Rutherford, burning phosphorus and other substances in a glass bell, has shown that the gas remaining after combustion does not support breath and burning. He named it suffocating air. In 1787 A. Lavoisier has established, that the "vital" and "suffocating" gases included in air, are simple substances, and has offered the name "nitrogen." In 1784 G. C...
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  • Friction At The Atomic Scale
    1,010 words
    Friction at the atomic scale. From the article "Friction at the Atomic Scale" by Jacqueline Krim we learn that standard friction and friction at the atomic scale are quite different. In my summary paper I would like to try to explain that fact based on the article. Having used different apparatus, the scientists made an experiment to prove that physicists didnt pay enough attention to the study of frictions atomic level or nano tribology for a long time wrongly. However now it was determined tha...
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  • Burning Of Fossil Fuels Humans And Animals
    668 words
    Carbon Dioxide is a colorless, odorless gas that occurs in small quantities in the earths atmosphere naturally. The earths ocean, soil, plants and animals release CO 2. The formula of Carbon Dioxide is CO 2. The CO 2 molecule contains 2 oxygen atoms that each share 2 electrons with a carbon atom to form 2 carbon oxygen double bonds. The atoms are arranged as so (OHT). This is called a linear molecule. Carbon dioxide is commonly found as a gas and is never a liquid. It sublimes to a solid known a...
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  • Hydrogen And Oxygen Simple Sugars
    329 words
    Carbohydrate Structure and Function Carbohydrates are molecules composed of carbon, hydrogen, and oxygen. They are polymers of the basic units called monosaccharides. Dissaccharides are compound sugars, composed of two monosaccharides, (simple sugars) bonded together. Molecular Structure For example, two molecules of glucose can bond together to form the Disaccharide Maltose. Sucrose and Lactose are other common Disaccharides. Dissaccharides are formed through condensation reactions that result ...
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  • Carbon Dioxide And Water Organic Compounds
    1,157 words
    I. Introduction A. The Carbon Carbon I. Introduction A. The History of Carbon II. Occurrences in Nature A. Diamond B. Graphite C. Coal and Charcoal D. Amorphous Carbon III. Carbon Compounds A. Inorganic B. Organic IV. The Carbon Cycle V. Conclusion Carbon, an element discovered before history itself, is one of the most abundant elements in the universe. It can be found in the sun, the stars, comets, and the atmospheres of most planets. There are close to ten million known carbon compounds, many ...
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  • Brooks Cole Universal Studios
    717 words
    There are many parts to every living thing. These basic parts have specialized jobs, which give shape and function of everything in the universe. The basic building block for all mass is the atom. There are many different parts to the atom. The electron is a negatively charged particle that revolves around the nucleus in electron shells. The electron is one of the smallest particles that make up the atom. The counterpart to the electron is the proton. This is a larger positive charged particle. ...
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  • Cause A Person Locke Theory
    1,857 words
    The idea of sound will be investigated in the following essay. Is there sound in the world and if a tree falls in the forest and there is no body around does it actually make a noise? These ideas will be followed by the theory of colour. Individuals think they see colour, so people believe there is colour in the world and do not even think twice about the issue. Still, some philosophers have presented ideas about the world with no colour. Is this theory plausible? Following these two questions, ...
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  • Electromagnetic Waves Electromagnetic Radiation
    440 words
    Electromagnetism defined as Electromagnetics Electromagnetics Electromagnetism defined as? magnetism produced by an electric current? . In other words it is the electricity part of what holds ourselves and every bit of matter in the universe together. This source of universal? glue? is found within atoms themselves. As the name sounds, there are two different forces within electromagnetism the electric force and the magnetic force. Before the early part of the last century, scientist studied ele...
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  • Microsoft Corporation 1995 Microsoft
    1,350 words
    Although the idea of dreams has always been a psychological one, there is a philosophical side to them. Descartes once said, For all I know, I might be dreaming (Bruder/Moore, Philosophy, 81). This conjecture of Descartes was one that explained the concept of dreams. He asked the question, How do we know that we are not dreaming and our whole life is but a dream? There can never be an answer to this question but it proves that there is a philosophical view of dreams. A dream is a form of mental ...
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  • Breast Feeding Man Made
    882 words
    What is it for something to be natural? One may think that deciding upon whether or not something is natural would not normally be a difficult task, yet before we present an answer to what appears this simple question, we must consider what we mean by the term natural. Do we mean that something is natural because it is how it is meant to be, or because of some other reason? Different individuals would assume differing definitions for the term natural. To list specific examples, natural could be?...
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  • Books New York Stratospheric Ozone
    1,223 words
    Chloroflourocarbons were discovered in the 1920 s by Thomas Midgley, an organic chemist at General Motors Corporation. He was looking for inert, non-toxic, non-flammable compounds with low boiling points that could be used as refrigerants. He found what he was looking for in the form of two compounds: dichlorodifluoromethane (CFC- 12) and trichloromonoflouromethane (CFC- 11). In both compounds, different amounts of chlorine and fluorine are combined with methane, which is a combination of carbon...
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