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Free research essays on topics related to: compound

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  • Room Temperature High Temperatures
    688 words
    Silicon is one of mans most useful elements. In the form of sand and clay it is used to make concrete and brick; it is a useful refractory material for high-temperature work, and in the form of silicates it is used in making enamels, pottery, etc. Silica, as sand, is a principal ingredient of glass, one of the most inexpensive of materials with excellent mechanical, optical, thermal and electrical properties. Hyperpure silicon can be doped with boron, gallium, phosphorus, or arsenic to produce s...
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  • Aid Tel Aviv
    964 words
    Photos AP Photo Slideshows AP Photo Mideast Conflict Audio/Video Powell to Meet With Arafat Sunday (AP) Powell, shuttling back to Israel for a meeting in Tel Aviv, then pressed Prime Minister Ariel Sharon (news - web sites) for a complete pullback, a U. S. official said. Sharon renewed his proposal for an international peace conference among Israel and Arab states including Saudi Arabia, Syria and Lebanon and the Palestinians, but not Yasser Arafat. Sharon said the United States would lead the c...
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  • Sentimental And Passion Charlotte Temple Main
    587 words
    Passion, spontaneity in behavior, and performance dominate over rich and developed inner life of Charlotte and become the source for comprehension of sense and value. The typical characters speak no fine words, they are not able for sentimental emotional experience. Their self-dignity and feeling of self-importance go back on passion. Their true values are not hidden like the author does during express of sentimental. On contrary, passionate tones seem to be advisedly put for show. Concentration...
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  • C S Lewis Website N P
    1,016 words
    C. S. Lewis, His Life and Writting Style Lewis represents an impressive effort to describe position of Catholic Church and popularize it all over the world. Actually, the majority of his works can be called the attempts of dramatizing the attitude to religion, moral values, purity, theology and literary criticism in the 20 th century. His contribution to theology, childrens literature, literary criticism, and fantasy literature is really great. Yet, his most recognized works are dedicated to Chr...
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  • Teach Our Children Dot Within A Circle One
    747 words
    The Dot Within a Circle The dot within a circle on a blackboard From geometric's classes we all know that each line is not some separate object, but a compound object that consists of more simple ones, the dots. The dot within a circle might have a different meaning for everyone, but geometrically its a simple object (a dot), surrounded by others of the same kind (the dots, that form the line), that form some more compound object. The likeness between the body within the circle and the bodies su...
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  • Cask Of Amontillado Poe The Cask
    775 words
    The Cask of Amontillado When we start to speak about Edgar Alan Poe, we need to speak about his creative works, the period of his activity as a writer, about his famous short-story The Cask of Amontillado (1846), - one of the most famous short-stories that defined the basis of his glory and public recognition. This story is not the fruit of his imagination, written in a satirical but rather the adventure of his creative fantasy, allegory of constant dramatic voyage to the unknown world that lies...
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  • Straightline Max Cam Quot As Mathews Bow
    1,446 words
    The Early Contributors Fred Bear was probably the greatest known bow hunter ever. He pioneered the sport, and founded target shooting in Michigan and the rest of the United States. Art Young taught Bear to make bows, arrows and handmade Irish linen bow strings. During the Great Depression Bear and Charles Piper saved $ 600 and started Bear Products Company. They sold silk-screen banners and flyers for Chrysler, but on the side he sold handmade bows to the growing number of archers and bow hunter...
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  • Chemical Change Physical Change
    259 words
    Title: Chemical and Physical Changes. Purpose: To determine the differences between chemical and physical changes when they happen. Materials: Five test tubes, Bunsen burner, crucible, test tube holder, triple beam balance, ring stand, triangle, evaporation dish, wood splint, copper turnings, copper (II) nitrate, dilute nitric acid, Ba (NO 3) 2, Na 2 CrO 4, Fe Cl 3, KSCN, Ag NO 3, ammonium dichromate, safety goggles, and matches. Results: 1. Data table (see attached page) 2. Questions (1 - 3): 1...
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  • End Of The War P O
    716 words
    It Chemical Warfare Chem Warfare It was not until the early 1930 s that German chemists observed that organ-phosphorus compounds could be poisonous. In 1934, Dr Gerhard Schrader, a chemist at IG Farben, was given the task of developing a pesticide. Two years later a phosphorus compound with extremely high toxicity was produced for the first time. According to contemporary regulations, discoveries with military implications had to be reported to the military authorities, which was also done with ...
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  • Formula For Silver Oxide 1 75 Grams Crucible
    282 words
    Sliver Oxide Lab Purpose: To find the chemical formula for Silver Oxide and to improve students skills with lab equipment. Hazards: Heat/FlameMidly hazardous chemicals Materials: Small Crucible and means of suspending it above a flameBunson Burner Accurate scale in gramsTongsProcedure: Place the crucible on your scale and record its weight when empty. Next, place approximately 1. 75 grams of silver oxide into the crucible, you do not have to be exactly on 1. 75 grams, but being within a tenth of...
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  • Students And Teachers Police Officers
    360 words
    While watching a commentary, on a popular television program, I felt nauseous 1 after learning of torture students and teachers endured 2 at Columbine High School in Little Town, Colorado. It began as a typical school day in April; it ended with an afternoon of horror, which showed a child? s extreme behavior. Teachers and students encountered hours of torture as two fellow students walked their campus halls on a shooting spree. To avoid being hit by a flying bullet, victims hid in closets and s...
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  • Time Of Day Increase The Amount
    1,642 words
    Actions and Effects of Creatine Throughout time, humans have had a fascination with being excellent at what they do, and athletics have been no exception. Many substances exist, and many have been criticized and analyzed for their safety, legality, and morality for athletes. With the banning of steroids from competitive sports, and the implementation of random drug testing in most sports, most athletes, professional, recreational, and would-be professionals are hoping to gain an edge. More recen...
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  • Time Of Day Increase The Amount
    1,544 words
    Creatine Used in Sport Throughout time, humans have had a fascination with being excellent at what they do, and athletics have been no exception. Many substances exist, and many have been criticized and analyzed for their safety, legality, and morality for athletes. With t banning of steroids from competitive sports, and the implementation of random drug testing in most sports, most athletes, professional, recreational, and would-be professionals are hoping to gain an edge. More recently, one su...
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  • Crisis Intervention Problem Solving
    689 words
    Running head: THE CRISIS INTERVENTION MODEL The Crisis Intervention Model Waiyip Camden County College Abstract The crisis intervention model is applicable whenever the functioning of an individual or family has been unexpectedly and dramatically affected in some personal loss or tragedy. It is to be used during a four to six week period following the event that precipitated the crisis. In this research paper I will attempt to describe the crisis intervention model and more importantly explain h...
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  • Truth Is That Our Civilization Civilization Is Not Christian Fear
    282 words
    6. ) FEAR BRAINSTORMING Wound through everything is fear Whites fear not just black crime, but also a black uprising if speakers such as John Blacks fear white retaliation for strikes and boycotts. Kumalo is afraid to know what has happened to his son; his son is afraid of what his father will say; the girl is afraid of life in general; John is afraid of the police. Fear is almost a climate of life, and whites are depicted as the ones to blame. Paton conveys very well how he thinks Afrikaners ca...
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  • Ebola Hemorrhagic Fever Viral Hemorrhagic Fever
    772 words
    The Ebola virus, also know as Ebola hemorrhagic fever is a disease caused by viruses from four different families of viruses: 1) filo viruses, 2) arena virus, 3) flava virus, 4) bunyaviruses. The usual host for most of these viruses are rodents or anthropoids (such as ticks and mosquitoes). In some cases, such as the Ebola virus, the natural host for the virus is unknown. All forms of viral hemorrhagic fever begin with a fever and muscle aches. Depending on the particular virus, the disease can ...
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  • Fission Of Uranium Radioactive Isotopes Gas
    592 words
    I am the chemical element known as Krypton. I can also be referred as Kr. I will be telling you about my history, my properties, my family and my occurrence. I will also be telling you about my uses and ores, also the analytical methods based on me. I received the name krypton from the Greek word " hidden" because I was hiding for so long, undetected. I am from a rare group of gases called noble gases. The other noble gases are helium, xenon, neon, argon and radon. I was discovered in ...
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  • Environmental Protection Agency Parts Per Million
    596 words
    Environmental Protection Agency The Environmental Protection Agency, (EPA) in Edison, New Jersey is very successful in detecting and separating elements found in water. With it s expensive machinery and skilled workers the EPA proved to be successful in making New Jersey s drinking water safe. Throughout the tour, I picked up on some interesting and useful facts. I found myself very interested in exactly how many elements are found in water, how one goes about figuring out the name of the elemen...
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  • Supply And Demand Fossil Fuels
    551 words
    Fossil Fuels: Our Society's Dependency Natural Resources Report by Sean Falconer Chemistry 122 Mr. Hart 1997 - 02 - 07 Our society has become dependent on fossil fuels for energy. That seems fine for now considering the fact that everyone is generally happy in the present situation. Fossil fuels are relatively inexpensive and seem to be doing the trick right now. Using fossil fuels arise such issues as global warming, rising costs of scarce resources, and shortages of raw materials. None of thes...
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  • Adam And Eve Garden Of Eden
    900 words
    Analysis of the poem: Genesis, by Bruce Dawe Bruce Dawe, an Australian poet, has written the poem Genesis. The poem compares the beginning of school to Adam and Eves expulsion from the Garden of Eden, hence the title Genesis. Dawe has put the context of the poem into a modern day theme. Using the comparison of Adam and Eves loss of innocence, he describes how the innocence of children is lost at school. This correspondence to the story of God expelling Adam and Eve from the Garden of Eden becaus...
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