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Free research papers and essays on topics related to: oxide

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  • The Greenhouse Effect The Greenhouse Effect Occurs When Gases Such As Methane, Carbon Dioxide, Nitrogen Oxide And Cfcs Trap H - 1,072 words
    The Greenhouse Effect The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car. The glass lets the sun light in to make heat but when the heat tries to get out the gases absorb the heat. Holding this heat in causes heat waves, droughts and climate changes which could alter our way of living. The main gases that cause the greenhouse effect are water vapor, carbon dioxide (CO2), and methane which comes mainly from animal manure. Other gases like nitrogen oxide and man made gases called chloroflurocarbons get caught in the atmosphere as well. The decay of animals and respiration are two mai ...
    Related: carbon, carbon dioxide, cfcs, gases, greenhouse, greenhouse effect, greenhouse gases
  • Acid Rain - 380 words
    Acid Rain Acid Rain is caused by pollution containing sulfur dioxide, nitrogen oxide, and ozone ( SO, NOx, and O ) is released into the air. These chemicals are absorbed into clouds and results in Acid Presipitation ( Acid Rain, Acid Snow, Acid Hail, Acid Sleet ). When the chemicals aren't absorbed into clouds, they can drift for miles and fall to the ground, resulting in Acid Deposition, or dry deposition. When Acid Rain falls into water it is mixed in with the normal water and causes the pH of the entire body to be raised. Measurments on the pH ( potential Hydrogen ) scale, rise exponentialy, thus, a lake with a pH of 4 is ten times as acidic as a lake with a pH of 5, and a lake with a pH ...
    Related: acid, acid rain, rain, different types, drift
  • Acid Rain - 820 words
    Acid Rain For years ever since most of the world has been industrialized, the effects of pollution have plagued nations alike. Acid rain is one of the largest contributors to this industrialized form of pollution. Throughout this report an explanation of the devastating effects to the environment caused by acid rain will be given along with what is being done to stop it. Acid rain is made when pollutants arise from the use of coal in the production of electricity, from base- metal smelting and from fuel combustion in vehicles. Once the sulfur and nitrogen oxides from these man made causes are released into the air they are caught by wind currents and are blown hundreds of miles away. The gas ...
    Related: acid, acid rain, rain, northern europe, air pollution
  • Acid Rain - 1,774 words
    Acid Rain What is acid rain? Acid rain is the term for pollution caused when sulfur and nitrogen dioxides combine with atmospheric moisture. The term 'acid rain' is slightly misleading, and would be more accurate if deemed 'enhanced acid rain', as rain occurs acidic naturally. Acidity is measured on what is know as the pH scale. Fourteen is the most basic, seven is the most neutral, and zero is the most acidic. Pure rain has a pH level of 7, which is exactly neutral. The acidity of rain is determined by the pH of pure water in reaction with atmospheric concentrations of carbon dioxide, resulting in carbonic acid. These particles partly dissociate to produce hydrogen ions and bicarbonate ions ...
    Related: acid, acid rain, rain, electric utilities, major change
  • Acid Rain - 1,829 words
    ... . These particles collect on the leaves of the tree, and studies have shown that when these particles contain acid they can cause damage to the leaves. The leaves are the part of the tree that help make food, hence any damage to the leaves will result in harm to the health of the entire tree. Coniferous trees are vulnerable to the harmful effects of acid rain as well. The tree's needles are designed to nourish the tree after they fall to the ground. Each needle houses whole colonies of microscopic bacteria and algae that help the tree change nitrogen into food at the roots. Acid rain will often burn away this material, thereby reducing adequate food supply, and weakening the tree's healt ...
    Related: acid, acid rain, rain, eastern canada, human health
  • Acid Rains - 540 words
    Acid Rains Acid rain refers to all types of precipitation--rain, snow, sleet, hail, fog--that is acidic in nature. Acidic means that these forms of water have a pH lower than the 5.6 average of rainwater. Acid rain kills aquatic life, trees, crops and other vegetation, damages buildings and monuments, corrodes copper and lead piping, damages such man-made things as automobiles, reduces soil fertility and can cause toxic metals to leach into underground drinking water sources. Rain is naturally acidic because carbon dioxide, found normally in the earth's atmosphere, reacts with water to form carbonic acid. While "pure" rain's acidity is pH 5.6-5.7, actual pH readings vary from place to place ...
    Related: acid, acid rain, carbon dioxide, bodies of water, dioxide
  • Adipic Acid - 1,071 words
    Adipic Acid SWOSU ICER98 submitted 2/23/98 Bart Barnett, Bill McKinley, Darren Toczko, Kevin Worley Adipic acid is one of the most used chemicals in the world today, conversly, it contributes significantly to the production of nitrous oxides (NOx), a greenhouse gas. Many methods are available to produce adipic acid, with various results and potential for pollution. The following paper discusses the impacts that adipic acid has on our society and the world's environment. At the end of the paper, is a list of some of the sources used for this topic. Any disagreements between the various sections of this article probably resulted from this being a group effort. Uses Adipic acid is a very import ...
    Related: acid, world today, western europe, united state, cable
  • Air Pollution - 1,546 words
    Air Pollution Air Pollution is addition of harmful substances to the atmosphere resulting in damage to the environment, human health, and quality of life. One of many forms of pollution, air pollution occurs inside homes, schools, and offices; in cities; across continents; and even globally. Air pollution makes people sick, it causes breathing problems and promotes cancer, and it harms plants, animals, and the ecosystems in which they live. Some air pollutants return to earth in the form of acid rain and snow, which corrode statues and buildings, damage crops and forests, and make lakes and streams unsuitable for fish and other plant and animal life. Pollution is changing the earth's atmosph ...
    Related: air pollution, pollution, greenhouse gases, global scale, burn
  • Air Pollution - 1,431 words
    Air Pollution Air pollution Introduction With the great concern surrounding the destruction of the earths atmosphere due to air pollution, the immediate and direct harm caused to the human body is often over shadowed. While many are aware that our careless use of hazardous chemicals and fossil fuels may leave the planet uninhabitable in the future, most over look the fact that they are also cause real damage to our bodies at this moment. Such pollutants cause damage to our respiratory system, leading to the fluctuation of the life span of an individual depending on a number of conditions. Amongst these conditions are the individuals specific geographic location, age, and life style. This pap ...
    Related: air pollution, pollution, life span, educational foundation, excessive
  • Air Pollution In Australia - 1,002 words
    Air Pollution In Australia 1. Identify current trends, scale and likely future sources of carbon monoxide, sulphur dioxide, nitrogen dioxide, lead, particles and photochemical oxidants..... AGA notes that considerable background material is already available on this issue including the State of the Environment Report and other processes being developed through the NEPC. It is important that reporting by the Inquiry take account of existing material. 2. Identify and evaluate management options for each of the identified pollutants, including options which address one or more pollutants together, which will lead to improved urban air quality in the medium (5-10 years) and longer (10-15 years) ...
    Related: air pollution, australia, pollution, federal government, development strategy
  • Air Quality - 1,726 words
    Air Quality Air Quality & Dispersion Today, the air quality aspect of ARL research is by far the dominant theme, but distinctions among the themes remain somewhat vague. For example, the models developed for emergency response purposes are among those used for air quality prediction. The Air Quality and Dispersion theme is one of the strongest ties that binds ARL's components together. ARL is not heavily involved in the pure science of the business. Instead, ARL focusses on the need to assemble integrated understanding and models from all available sources, to develop the capability to predict changes in air quality that will follow changes in emissions, or that will occur as a result of met ...
    Related: quality assurance, scientific research, global positioning system, silver spring, zone
  • Alchemy - 1,900 words
    Alchemy ALCHEMY: The science by aid of which the chemical philosophers of medieval times attempted to transmute the baser metals into gold or silver. There is considerable divergence of opinion as to the etymology of the word, but it would seem to be derived from the Arabic al=the, and kimya=chemistry, which in turn derives from the late Greek chemica=chemistry, from chumeia=a mingling, or cheein, `to pour out` or `mix', Aryan root ghu, to pour, whence the word `gush'. Mr. A. Wallis Budge in his "Egyptian Magic", however, states that it is possible that it may be derived from the Egyptian word khemeia, that is to say 'the preparation of the black ore', or `powder', which was regarded as the ...
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  • Alchemy - 1,850 words
    ... e of Hermetic theory and the consciousness in the alchemical mind that what might with success be applied to nature could also be applied to man with similar results. Says Mr. Waite, "The gold of the philosopher is not a metal, on the other hand, man is a being who possesses within himself the seeds of a perfection which he has never realized, and that he therefore corresponds to those metals which the Hermetic theory supposes to be capable of developing the latent possibilities in the subject man." At the same time, it must be admitted that the cryptic character of alchemical language was probably occasioned by a fear on the part of the alchemical mystic that he might lay himself open t ...
    Related: alchemy, first half, chemical analysis, modern science, appeal
  • Allen Ginsbergs Poetry - 1,698 words
    Allen Ginsberg's Poetry Themes and Values of the Beat Generation As Expressed in Allen Ginsberg's Poetry Perhaps one of the most well known authors of the Beat Generation is a man we call Allen Ginsberg, who expresses the themes and values in his poetry. He was, in fact, the first Beat Writer to gain popular notice when he delivered a performance of his now famous poem, Howl, in October of 1955. The Beat Generation is typically described as a vision, not an idea and being hard to define. It is characterized as a cultural revolution in process, made by a post-World War II generation of disaffiliated young people...without spiritual values they could honor (Char ...
    Related: allen, allen ginsberg, poetry, post world, vietnam war
  • Aluminum - 1,420 words
    Aluminum Aluminum is one of a number of soft metals that scientists call poor metals. It can be shaped and twisted into any form. It can be rolled into thick plates for armored tanks or into thin foil for chewing gum wrappers. It may be drawn into a wire or made into cans. Aluminum is a generally popular metal because it does not rust and it resists wear from weather and chemicals. (Bowman, 391) Aluminum is an element. Its atomic number is thirteen and its atomic weight is usually twenty-seven. Pure aluminum melts at 660.2C and boils at 2500C. Its density is 2.7 grams per cube centimeter. Aluminum is never found uncombined in nature. (Bowman, 391) Aluminum is a very useful metal that is ligh ...
    Related: aluminum, food and drink, electric power, atomic number, resist
  • Alzheimers Disease : Neurobiology, Causes And Treatments Of - 960 words
    Alzheimers Disease : Neurobiology, Causes And Treatments Of Alzheimers disease : Neurobiology, causes and treatments of Alzheimer's Disease (AD) is one of the most common of the dementing illnesses. A progressive, degenerative disease that attacks the brain, causing impaired memory, thinking and behavior. A person with Alzhiemers Disease may experience personality and behavior changes, impaired judgment, confusion and difficulty finishing thoughts, following directions or even finding the right word to say in a conversation. Once advanced the sufferer may require a caretaker as daily chores become very difficult to accomplish. Evidence points toward amyloid as one of the main causes for the ...
    Related: alzheimer's disease, alzheimers disease, diagnosis treatment, main causes, nitric oxide
  • Anesthetics - 915 words
    Anesthetics Introduction Anesthetics are depressant drugs that cause a total or partial loss of the sense of pain. The effect an anesthetic has on the body depends on several factors. What type of anesthetic is used determines the effect along with the dosage and a person (or animal's) body weight. The word anesthesia was first introduced by Oliver Wendell Holmes in 1846 about four weeks after the first demonstration of ether anesthesia at the Massachusetts General Hospital. Ether was the first type of anesthesia used and was demonstrated as a means of allowing a patient to be unconscious and free from surgical pain. Stages of Anesthesia Stage one is known as analgesia and results from an in ...
    Related: general hospital, nuclear weapons, cardiac arrest, neural, tone
  • Anesthetics - 1,530 words
    Anesthetics Anesthesia is a partial or complete loss of sensation or feeling induced by the administration of various substances. For many decade, people have used one form of an anesthetic during surgical procedures. Some people also use some of these anesthetics as recreational drugs, e.g. laughing gas (a.k.a. Nitrous Oxide). The term anesthetic literally means "without feeling". There are many different types of anesthesia, but they are usually put into three groups. These groups are gene- ral anesthetics, local anesthetics, and spinal anesthetics. A general anesthetic causes a complete loss of consciousness. They are used when having a serious operation or in the case of an emergency ope ...
    Related: hopkins university, long history, recreational drugs, quiet, maintaining
  • Anesthetics - 1,467 words
    ... amount of side effects. Throughout the country there are many different types of anesthetics used. Some of the most popular anesthetics are used in U.S. hospitals across the region. Among general anesthetics, cyclopropane, ethylene, and halothane are the most popular. Cyclopropane and ethylene are used with caution because they are highly explosive. Halothane is the most prefered over the three because it is neither inflammable or explosive. Amongst intravenous anesthesia, Pentothal sodium is the most popular. This is because it produces the least amount of side effects during and after a surgical procedure. Block anesthesia is the most common and popular of the group known as local anes ...
    Related: different types, new england, side effects, concentration, 1984
  • Arsenic - 401 words
    Arsenic Element Arsenic may appear to be a poisonous element. This is because it is used as a poison for murder both in real life cases and in made up books. But there are a lot of chemical uses for arsenic such as it being a specimen. Arsenic is also known arsenic in French, Arsen in German, arsenico in Italian and arsenico in Spanish. The atomic number of the element arsenic is 33. The atomic weight is 74.92160(2). Its symbol on the periodic table is As and its electronic configuration is [Ar].3d10.4s2.4p3. Arsenic occurs in two solid modifications: yellow, and gray or metallic. Its color is tin- white which tarnishes to dark gray or black. Its luster is metallic but the tarnish will dull ...
    Related: arsenic, ancient times, periodic table, atomic weight, periodic
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