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Dry Ice Petri Dishes
1,905 wordsA particle cloud chamber is a device that makes visible to the human eye the presence of certain particles and cosmic rays. This paper will discuss the process in which a successful chamber prototype was developed. This paper will also discuss how the chamber utilizes the properties of a supersaturated environment to detect these particles. Finally, plans for the future development of a larger model to study the charge and energy of particles through the use of a magnetic field is presented. The...
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Ozone Layer Ultraviolet Rays
1,294 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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Sodium Hydroxide Universal Indicator
854 wordsExperiments to Determine the Effect of Acids & Bases on Different Indicators and the pH of Common Cleaning Agents The aim of the first set of experiments is to find out and record the colour changes that are observed after a certain indicator is mixed with acids and bases to form a colour reaction. Once the selected indicator has been mixed with a acid that is both weak and strong and a base / alkali that is both weak and strong we are to record the colour and choose another indicator. The purpo...
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Methyl Bromide Uv Radiation
627 wordsOzone is a form of oxygen that is a human-made pollutant in the troposphere but a naturally produced, essential component in the stratosphere, which encircles our planet some 6 to 28 miles above the surface. The stratosphere contains a layer of ozone that shields the surface from much of the ultraviolet radiation coming from the sun. If ozone was to disappear from the stratosphere Earth would be uninhabitable for most organisms. The primary cause for this substantial ozone loss is a group of com...
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Bone Marrow Adverse Effects
705 wordsChronic myelogenous leukemia (CML) is one of the four most common types of leukemia and is responsible for 15 to 20 percent of all adult leukemias. CML is a deadly cancer of the bone marrow cells that causes white blood cells to increase to more than twelve times their limit, at an uncontrollable rate. Normally, this can lead to fatigue, fever, and a fatal 5 -year survival rate. Novartis Oncology Pharmaceuticals, the second largest drug company in the world, with headquarters in Switzerland, is ...
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Chemical Form Mercury Chemical Form Mercury May Travel Fish
699 wordsIntroduction Mercury is a silvery, liquid metal at room temperature. It is sometimes referred to as one of the "heavy metals. " Like water, mercury can evaporate and become airborne. Because it is an element, mercury does not break down into less toxic substances. Once mercury escapes to the environment, it circulates in and out of the atmosphere until it ends up in the bottoms of lakes and oceans. Depending on its chemical form, mercury may travel long distances before it falls to earth with pr...
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2 O 2 H 2 O
385 wordsFor Informational Purposes Only. The authors & distributors do not advocate the use of illegal drugs and assume no liability for the use or misuse of this information. The procedures described are dangerous and should not be attempted by persons inexperienced in Organic Laboratory techniques. This formula is exemplified for MDA (3, 4 -Methylenedioxy- phenylisopropylamine); substituting N-methyl form amide results in MDMA or N-methyl MDA (Ecstacy). To a cooled mixture of 34 g 30 % H 2 O 2 and...
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The Science Of Bad Breath
589 wordsThe Science of Bad Breath Objective The main objective of the proposed project is to examine the scientific article The Science of Bad Breath written my Mel Rosenberg in order to understand the causes and physics of bad breath, the source of smell, other halitosis diagnosis, and to understand the biogenesis of bad breath issues. Method and Data The process involves review of scientific knowledge retrieved by Mel Rosenberg in result of his 20 year medicine practice; Rosenberg's sampling methods, ...
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Environmental Protection Agency Ozone Depletion
1,137 wordsThe ozone layer diminishes more each year. As the area of polar ozone depletion (commonly called the ozone hole) gets larger, additional ultraviolet rays are allowed to pass through. These rays cause cancer, cataracts, and lowered immunity to diseases. 1 What causes the depletion of the ozone layer? In 1970, Crutzen first showed that nitrogen oxides produced by decaying nitrous oxide from soil-borne microbes react catalytically with ozone hastening its depletion. His findings started research on...
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Life On Earth Carbon Monoxide
498 wordsOrganic compounds are the basis of life on earth. The purpose of this discussion is research the importance of these compounds that make up life on earth. A wide variety of classes of substances, such as drugs, vitamins, plastics, natural and synthetic fibers, as well as carbohydrates, proteins, and fats, consist of organic molecules. Organic chemists determine the structures of organic molecules, study their various reactions, and develop procedures for the synthesis of organic compounds. The a...
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Sodium Hydroxide Potassium Hydroxide
1,877 wordsExperiments To Determine The Effect Of Acids Experiments To Determine The Effect Of Acids &# 038; Bases Experiments to Determine the Effect of Acids &# 038; Bases on Different Indicators and the pH of Common Cleaning Agents The aim of the first set of experiments is to find out and record the colour changes that are observed after a certain indicator is mixed with acids and bases to form a colour reaction. Once the selected indicator has been mixed with a acid that is both weak and strong and a ...
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Unborn Child Nervous System
343 wordsSynopsis # 1 BIO 131 A. Summary: The Food and Drug Administration is announcing to pregnant women that eating certain kinds of fish may be harmful to their unborn child. These fish include shark, swordfish, king mackerel and tile fish. These fish contain high levels of a form of mercury called methyl mercury. Methyl mercury can damage an unborn babys nervous system. The FDA suggests that any pregnant woman, or women of childbearing age, nursing mothers, and young children stay away from these fi...
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Nitrous Oxide Greenhouse Gasses
3,082 wordsThe Global Warming Global Warming The world is getting hotter. 1998 was the hottest in one thousand years, and the nine hottest years on record have all been in the past two decades. Humankind's actions on a global scale have changed not just the landscape of the Earth, but the worlds climate too. Increasingly sophisticated measurements of the worlds climate and weather systems have provided a wealth of evidence that the Earth has been getting steadily warmer. Since the beginning of the industri...
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Clean Air Act Environmental Protection Agency
2,376 wordsMethyl Bromide Ban Under the recently passed U. S. Clean Air Act, the Environmental Protection Agency (EPA) has prohibited the U. S. production and importation of methyl bromide starting January 1, 2001. Methyl bromide is an odorless, colorless gas essential to the farming, storage, transportation, trading and processing of more than 100 American crops including fruits, grains, vegetables, cut flowers, wood products and cotton. Methyl bromide plays a key role is ensuring the safety and adequacy ...
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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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Environmental Protection Agency Clean Air Act
2,294 wordsThe poisoning of the Earth? s ozone layer is increasingly attracting worldwide concern for the global environment and the health effects of life on the Planet Earth. There is not just one particular cause for the ozone? s depletion; the accumulation of different pollutants into our ozone layer has all added up and equaled a worldwide problem. There is not just one effect from the poisoning of the ozone, but instead multiple ramifications from diseases to death. The damage to the ozone is increas...
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Methyl Bromide Planet
1,057 wordsA biosphere is anywhere organisms live. 1 Thus, any place on our green planet, or microcosms within it, is a biosphere more importantly it is the only one that we know how to live off. A well known fact is that our biosphere is becoming less and less suitable for sustaining our rapidly increasing population. Gross pollution caused by industrialism and technological advances have seriously damaged the part of out planet? s atmosphere made up of O 3, most commonly referred to as Ozone. Anytime we ...
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Books New York Stratospheric Ozone
1,223 wordsChloroflourocarbons 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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