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U S Government University Of California
1,159 words(b. April 22, 1904, New York City -- d. Feb. 18, 1967, Princeton, N. J. , U. S. ), U. S. theoretical physicist and science administrator, noted as director of the Los Alamos laboratory during dEvelopment of the atomic bomb (1943 - 45) and as director of the Institute for Advanced Study, Princeton (1947 - 66). Accusations as to his loyalty and reliability as a security risk led to a government hearing that resulted in the loss of his security clearance and of his position as adviser to the highes...
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Nail Polish Sulfuric Acid
677 wordsAIM To prepare and purify an ester. &# 61656; concentrated sulphuric acid &# 61656; sample of nail polish (for smell comparison) &# 61656; separating funnel and stopper &# 61656; 1 mol L- 1 sodium carbonate solution After carefully assembling the apparatus and given a safety approval by the teacher, I carefully added the ethanol and glacial acetic acid into the pear shaped flask. A few marble chips were added to avoid the larger reactive bursts of the mixture during refluxing that were predicted...
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Hydrogen Bomb Radiation Sickness
1,381 words... es as many cases of severe burns as there are burn beds in the whole of North America. A whole year's supply of blood for transfusion would be needed immediately, and of course is not available in storage nor could it be collected from volunteers in a few days. The injured who reached hospitals would have to be assayed for radioactivity, for the safety of the staff, which would cause a serious bottle-neck and delay in most hospitals. The result of this huge overload of cases is that most of ...
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Everyday Lives Drinking Water
666 wordsFluorine, with a chemical symbol of F and an atomic number of 9, was discovered by Karl Schedule in 1771 but not isolated until 1886 by Henri Moissan. The world fluorine comes from the Latin word four, meaning, flow. The element is a chemically reactive, poisonous, and highly corrosive Halogen gas that is found in group 17 (or View) of the periodic table. The electron configuration of Fluorine is (He) 2 s 22 p 5. Fluorine is the most chemically active nonmetallic element and the most electronega...
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World War Ii Germany And Japan
494 wordsBy: Sameer Ahmed AnnozailiSAM Faculty of Arts, IBB University, Yemen. What if we turn back time and have Germans win World War II ( WWII)? Really, what would have happened? What history says is that the allies won the World War II and defeated Germany and Japan in 1945. But let us try to imagine for a second that the contrary took place. Ok! Lets go. Now we are in the beginning of 1945. Adolph Hitler fighting Russia with his armies going ahead until reaching to and occupying Moscow. Then, when h...
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Guilt And Shame Hydrogen Bomb
1,354 words... g a pristine form just barely exists, and obviously it has ceased to exist altogether as a revolutionary movement. Like other emblematic movements of the epoch with which it shared the faith that a new kind of human being would surface once all structure and authority that wasnt internal in origin was rejected, free jazz was ultimately ambushed by its naivet. But on purely musical terms free jazz has not been without an ongoing impact. If it never achieved what Alan Silva expected it to, it ...
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Institute Of Technology Hydrogen Bonding
1,257 wordsChemist Linus Pauling; born in Portland, Ore. After taking his Ph. D. at the California Institute of Technology (1925) and then two years of study abroad, he returned to that institution for most of his professional career (1927 -- 63). Details of those years are as follows: At the California Institute of Technology his advisor was Roscoe Dickinson, whose area of expertise was X-ray crystallography. At this time Dickinson was investigating the crystal structure of various minerals. In his work w...
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Chemistry Lab Concentration Effects On Rate Of Reaction
1,070 wordsAim: The aim of this investigation is to investigate the rate of reaction of magnesium (mg) with Hydrochloric acid (HCl). After studying the availability of equipment I have chosen to investigate how concentration can affect the rate of reaction. Other variables that affect this investigation are: - Concentration of solution - Temperature - Surface area of a solid - Catalyst - Light - Pressure of a gas Prediction: I predict that when changing the concentration of hydrochloric acid and water, the...
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Oil And Gas Plants And Animals
1,118 wordsPart One - Introduction Fossil Fuels are the most important energy sources in our world today. The overwhelming majority of the huge amount of energy used in the world comes from the burning of three major fossil fuels: coal, petroleum, and natural gas. Fossil fuels are a non-renewable source of energy, and there is no other. They are formed over a very long period of time; the fossil fuels on earth today were formed from plants and animals that lived up to 300 million years ago. These fossil fu...
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Ph Of 5 H 2 O
1,124 words... s the fish can no longer breath. It dies and then sinks to the bottom of the lake. [ 4 ] Scientists now see acid, aluminum and shortages of calcium as the three determining factors in the extinction of fish. [ 5 ] As well there is the problem of chlorine. In many parts of the world it is commonly found in the soil. If it enters the fish's environment it can be deadly. It affects many of the fish's organisms and causes it to die. As well it interferes in the photosynthesis process in plants. ...
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Internet Service Providers Monopolistic Competition
730 wordsMarket Structure. Please refer to the table below that compares the market structures. Structure / task Brief description Example of a firm Barriers to entry Number of firms Price elasticity of demand Presence of economic profits Trend Government interference Perfect competition An ideal market structure characterized by a large number of small firms, identical products sold by all firms, freedom of entry into and exit out of the industry, and perfect knowledge of prices and technology...
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Chemical Reaction Nuclear Reaction
980 wordsCold Fusion: The Continuing Mystery In March of 1989, a discovery was made that rocked the scientific world. Stanley Pons and Martin Fleischman had announced that they were able to create and sustain a cold fusion process. After intense media attention, and corresponding interest in future test, the subject seemed to have faded away. Future tests proved inconclusive, and when the quick promise of easy energy didn t materialize, most quickly forgot the subject. Little is said about the continuing...
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Base Pairs Double Helix
610 wordsThe molecule responsible for the transformation of characteristics form one generation to the next is called DNA. The genetic material, located in the chromosomes is a combination of acid and histones. DNA is made up of units called nucleotides. Nucleotides are made up of 3 components, a five carbon sugar (deoxyribose), a phosphate group, and a nitrogenous base. This base can be either adenine, guanine, thymine or cytosine. There are 2 strands of nucleotides in a double-helix they are anti-paral...
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Structure Of Dna Residues
311 wordsIn the early 1950 s, the structure of DNA had become a crucial puzzle, following the discovery that DNA and not protein was the transforming principle. The puzzle was more intriguing because of the challenge of figuring out how a polymer composed of only 4 different letters could encode for a polymer such as proteins that are composed of 20 different letters. DNA is an acid, owing to the phosphate groups between each deoxyribose. The salt of DNA is the form in which some of the hydrogen ions hav...
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Pure Form Sodium Sodium Hydroxide Soda
393 wordsLife could not exist without compounds of sodium. These compounds hold water in body tissues, and a severe deficiency of sodium can cause death. Blood contains sodium compounds in solution. Sodium compounds are used in industry in the manufacture of chemicals and pharmaceuticals, in metallurgy, in sodium vapor lamps, and in the production of hundreds of every day products. One of the most common sodium compounds is table salt, or sodium chloride. In its pure form sodium is a silver-white, soft a...
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Ozone Layer Ultraviolet Rays
1,260 wordsAtmospheric ozone layer depletion is a serious problem currently facing the world. The ozone layer protects humans, animals, and plants from harmful ultraviolet rays. Money and time are being spent on ozone repair, but the problem still exists. The ozone layer is a region of the stratosphere containing ozone, or O 3 gas. The ozone layer is essential to both plant and animal life on earth because it protects the surface from dangerous ultraviolet light. However, industrial and domestic chemicals ...
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Protein Synthesis Amino Acids
788 wordsProtein synthesis is one of the most fundamental biological processes. To start off, a protein is made in a ribosome. There are many cellular mechanisms involved with protein synthesis. Before the process of protein synthesis can be described, a person must know what proteins are made out of. There are four basic levels of protein organization. The first is primary structure, followed by secondary structure, then tertiary structure, and the last level is quaternary structure. Once someone unders...
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Board Survived Hindenburg Airship
755 wordsThe Inferno The arrival of the Hindenburg, thirteen hours behind schedule, at Lakehurst, New Jersey, on the evening of May 6, 1937, promised to be routine. The ship had an unblemished safety record on eighteen previous Atlantic crossings. In fact, no passenger had ever lost his life on any commercial airship. Still, because this was the beginning of the most ambitious season yet for airship voyages, reporters, photographers and news reel cameramen had their eyes and lenses focused on the great d...
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B And C Second Largest
384 wordsSaturn is the second largest planet and sixth from the sun. Saturn is most known for its rings, first seen in 1610 by Italian scientist Galileo and identified as rings by Dutch astronomer Christian Huygens in 1655. The rings consist greater than 100, 000 single ringlets. It is the most oblate planet because of the rapid rotation of the planet, which flattens Saturn at the poles by about 10 %. Its composition is mostly composed of hydrogen and helium. It is mostly liquid, with a small rocky core ...
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Carbon Dioxide Mercury Venus
1,583 wordsA Planets The Planets A planet is a celestial body that revolves around a central star and does not shine by its own light. The only planetary system that is known to man is our solar system. It is made up of nine planets, which range in size and characteristics. The nine major planets in our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. There are also many other minor planets which are also in our solar system, but they are unimportant compared to the...
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