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Free research essays on topics related to: chloride

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  • Road Salt And The Environment
    1,465 words
    As awareness for pollution increases, other less noticed types of pollution are recognized. Almost everyone knows about toxic waste and carbon dioxide pollution, but not many people have heard of salt pollution. Salt pollution has been on the increase since the evolution of the automobile. With more pressure on government agencies to keep the highway clear and safe, an increase in the use of salt has developed. It is important to understand why salt is used and how it work as well as the environ...
    Free research essays on topics related to: bodies of water, increased levels, sodium chloride, ground water, heavy metal
  • White Blood Cells Cystic Fibrosis
    920 words
    WHAT IS CYSTIC FIBROSIS AND WHO DOES IT AFFECT: Every year, 1, 000 children with cystic fibrosis are born in the United States. 1 in 3, 000 Caucasian babies have the disorder, making Cystic Fibrosis one of the most common lethal genetic diseases in Caucasians. Overall, there are 30, 000 Americans with Cystic Fibrosis, and an estimated 8 million people carry one copy of the defective gene that causes the disease. These carriers do not have symptoms of Cystic Fibrosis, because a person must inheri...
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  • John Wesley March 18
    591 words
    Everywhere you look, there it is. You simply cannot avoid it. What is it? Plastic, of course. Have you heard the ads for cotton (Its the fabric of our lives)? Plastic is comparatively important. Its is the backbone of our day to day existences. Think carefully, not one day goes by without the use of a plastic product. They are so mainstream that there may be times you do not even realize that you are using one. The very first man-made plastic was presented by one Alexander Parkes at the Great In...
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  • Ozone Layer Ultraviolet Rays
    1,294 words
    Atmospheric 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 ...
    Free research essays on topics related to: ozone molecules, ultraviolet radiation, ozone depletion, ozone layer, ultraviolet rays
  • Short Term Effects Effects Of Smoking
    1,263 words
    There are numerous effects of smoking that affect the individual. They can affect not only your health but also your social and family life. It can also affect the non-smoker around you. Non-smokers suffer from allergies, noise and eye irritations and headaches as a result of inhaling second hand smoke. Smoking while youre pregnant can result to the growth of the foetus and may even result in the death of the baby. Down below are some long term and short term effects of smoking. Cigarette smoke ...
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  • Biology Lab Report Genetic Exchange In Prokaryotes
    679 words
    This lab deals with the process of genetic exchange in prokaryotes. There are three main mechanisms of genetic exchange which include transformation, transduction, and conjugation. In transformation, DNA is released from cells in the surrounding environment which is then incorporated into the recipient cells DNA. In transduction, DNA is transferred through a virus to the recipient. In conjugation, genetic exchange occurs through direct contact with another cell and the plasmid is transferred fro...
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  • H 2 O Metric Tons
    485 words
    Magnesium, symbol Mg, is a silvery white metallic element that is relatively un-reactive. In group 2 of the periodic table, magnesium is one of the alkaline earth metals. The atomic number of magnesium is 12. Properties and Occurrence The metal, first isolated by the British chemist Sir Humphry Davy in 1808, is obtained today chiefly by electrolysis of fused magnesium chloride. Magnesium is malleable and ductile when heated. With the exception of beryllium, it is the lightest metal that remains ...
    Free research essays on topics related to: metric tons, h 2 o, metal, magnesium, carbonate
  • Lead Acid Battery Potassium Hydroxide
    787 words
    There are many kinds of batteries which consist of different materials in order to produce an electric charge. Here are some of the most common batteries, what they consist of and how they work. Bichromate Cell (see picture # 1) A battery is a device which converts chemical energy into electrical energy. A battery usually consists of two or more cells connected in series or parallel, you can also have a single cell battery. All cells consist of a positive electrode, and a negative electrode. An ...
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  • Reduce The Amount Nitrogen Oxides
    1,778 words
    Pollution The water pollution is a major environmental issue that US government as well as its citizens are concerned with. The effects of water pollution are varied. They include poisonous drinking water, poisonous food animals (due to these organisms having been exposed to toxins from the environment over their life spans), unbalanced river and lake ecosystems that can no longer support full biological diversity, deforestation from acid rain, and many other effects. These effects are, of cours...
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  • Cystic Fibrosis Genetic Engineering
    1,074 words
    Genetic Engineering is the alteration of genetic material by intervention in genetic processes. Geneticists, the scientists that specialize in gene therapy, are working very diligently to map out the suspected 100, 000 to 150, 000 genes that make up the human body. They plan to have it complete by 2005 (Boukhari 1). With this map of the charted genes Jeff Kunerth, writer for the Orlando Sentinel says, It is one of the many scientific advances that literally will redefine life in the next millenn...
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  • Metric Tons Rocky Mountains
    2,028 words
    Gold Gold Antwan Lucas Gold Gold, symbol Au, soft, dense, bright yellow metallic element. Gold is one of the transition elements of the periodic table (see Periodic Law); its atomic number is 79. Pure gold is the most malleable and ductile of all the metals. It can easily be beaten or hammered to a thickness of 0. 000013 cm (0. 000005 in), and 29 g (1. 02 oz) could be drawn into a wire 100 km (62 mi) long. It is one of the softest metals (hardness, 2. 5 to 3) and is a good conductor of heat and ...
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  • 2 H 2 O Close Attention
    821 words
    In this experiment we are trying to find the percentage of water in Barium Chloride Dihydiate. During the experiment you must pay close attention to everything done. We are going to try to stay below a 8 percent error. When timing, make sure you only have the crucible over the button burner for 10 minutes, no more, no less. Be aware of how dangerous this chemical can be, so please be careful. Located below is a list of all the materials you will need to complete this experiment. Please make sure...
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  • Birth Control Pills Benign Tumors
    2,111 words
    What is Cancer? Cancer is a group of many related diseases. All forms of cancer cause cells in the body to change and grow in an abnormal way. Normal body cells divide and grow in an orderly fashion. But cells changed by cancer can divide and grow out of control. This out-of-control-growth damages normal body tissues and disrupts the ability of organs to function, as they should. During the early years of a persons life, normal cells divide rapidly until adult size is reached. After that, normal...
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  • Violent Poison Mercury Forms Found
    379 words
    Mercury's atomic number is 80. Its mass is 201. Its density at 20 degrees Celsius is 13. 456 g / cm cubed. Its silvery-white and flows very easily. It conducts electricity fairly well, but is a poor conductor of heat. It was known to Chinese and Hindus before 2000 BC and was found in Egyptian tombs dating back to 1500 BC. It was named after Mercury, the Roman messenger to the gods (Hermes in Greek mythology). It is a violent poison to humans. It acts as a cumulative poison because there are few ...
    Free research essays on topics related to: chloride, exposure, mercury, poison, compounds
  • Sentenced To Death Method Of Execution
    677 words
    Methods of Capital Punishment In the United States out of fifty states, thirty-eight of them have some type of death penalty. Out of the thirty-eight states that have a death penalty there are five different ways of execution used. Also the number of people sentenced to the death penalty and the number inmates that have been executed have increased quickly in the 1990 s to the present day. The thirty-eight states that have the death penalty use five ways of execution, lethal injection, electrocu...
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  • Ozone Layer Ultraviolet Rays
    1,260 words
    Atmospheric 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 ...
    Free research essays on topics related to: ozone molecules, ultraviolet radiation, ozone layer, ozone depletion, ultraviolet rays
  • Carbon Atoms Ch 4
    471 words
    Element? a substance which cannot be broken down into two or more substances by any means. Only contains one type of atom. Compound? a substance in which atoms of two or more elements have been chemically combined. Ionic Bonding · Metals bonding with non-metals · Involves transfer of electrons from metal to non-metal, so that both species obtain full outer shell electron configurations (Noble gas configuration). · Metals lose electrons to form positive ions (Cations). &middo...
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  • Chemical Reactions Environmentally Friendly
    1,110 words
    OXFORD AND Untitled OXFORD AND CAMBRIDGE SCHOOLS EXAMINATION BOARD. General Certificate Examination Advanced Level Chemistry (Salter's) Paper 3 mock. ROBERT TAYLOR U 6 JW. THE ROLE CATALYSTS IN CHEMICAL REACTIONS, THEIR IMPORTANCE IN INDUSTRY, PROBLEMS AND NEW DEVELOPMENTS. A Catalyst is a substance that alters the rate of a reaction. The catalyst remains unchanged at the end of the reaction. The process is called catalysis. In this report I aim going to explain the role of catalysts in chemical...
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  • Lead Acid Battery Positive And Negative
    1,037 words
    Batteries and Their Importance- We use batteries everyday, we use them to start our cars and to listen to our Walkmans. I have a few questions: How do batteries work? What are the different kinds of batteries? Why do they die? Why do they lose energy when they are not used for a long time? Well I tried my best to find the best answers for these questions and a little more. Battery, also called an electric cell, is a device that converts chemical energy into electricity. All batteries contain an ...
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  • Room Temperature Small Amounts
    1,195 words
    Silicon I. Introduction Silicon is a metalloid at room temperature with an atomic number of 14, 14 electrons, 14 neutrons, and an average atomic mass of 28. 0855. In its pure form silicon melts at 2, 570 degrees, and boils at 4, 271 degrees Fahrenheit. This element belongs to the metalloid family, the 14 th family on the periodic table of elements. This element is a solid metalloid at room temperature and turns to liquid at 2, 570 degrees. Silicon is prepared as a brown amorphous powder or as gr...
    Free research essays on topics related to: solid state, silicon, room temperature, high temperatures, small amounts

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