petroleum also contain sulfur compounds. Combustion generates sulfur dioxide‚ a toxic gas‚ and oxides of nitrogen. When emitted from exhaust stacks‚ these two compounds combine to form sulfuric acid in the atmosphere. When this toxic compound coalesces with water molecules‚ it falls to earth as “acid rain”. It contaminates land and bodies of water‚ and is one of the major causes of water pollution. Even though coal-fired plants have been mandated to install special chemical scrubbers to filter their
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EXTRACTION OF BENZOIC ACID‚ 2-NAPHTHOL‚ AND NAPHTHALENE FROM UNKNOWN SAMPLE # 131 Douglas G. Balmer (T.A. Mike Hall) Dr. Dailey Submitted 11 July 2007 Introduction: The purpose of this experiment was to separate a sample of benzoic acid‚ 2- naphthol‚ and naphthalene of unknown proportions using a two-base extraction method. The three components of the mixture will react differently to sodium bicarbonate and sodium hydroxide because each of the bases’ conjugate acids has a different pKa. The
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Acid-Base Extraction: Separation of an Organic Acid‚ Base and a Neural Compound Introduction/Background Acid base extraction is a widely used commercial method in separating acids‚ bases and neutral compounds. This is concept is based on several physical properties of the compounds‚ such as boiling point‚ melting points and solubility. The different solubility properties of the protonated and non-protonated forms of these compounds depend on the functional groups present‚ such
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This form of air pollution also increases the acidic levels in lakes‚ streams and rivers and can adversely affect fish and other aquatic life in their ability to "grow‚ reproduce and survive." Also‚ acid rain affects the ability of plants like trees to grow and resist disease ("Air Pollution‚" Internet). Other adverse effects of air pollution include smog‚ generated by automobiles and other fossil-fuel burning vehicles‚ eutrophication‚ based on "excess
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Name: ______________________________________ Date: ________________________ Student Exploration: Water Pollution Vocabulary: bacterial pollution‚ nutrient pollution‚ sediment pollution‚ toxic pollution‚ water pollution Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Water pollution is the addition of harmful substances to water. Some of these substances are found at home. What household chemicals might be harmful if not disposed of properly? _________________________________________________________________________
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faster‚ everything will be moving around more and there will more more dissolved oxygens. the mud and sediments won’t just stay there and it will just keep on moving so . Well‚ there are two main causes of pollution in the Conodoguinet creek‚ acidic rain and eutrophication. Eutrophication is the amount of nutrients in the water and it can be caused by runoff from land‚ sewage plants‚
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littering in river‚ lakes and oceans. * EFFECT: The effects of water pollution are poisonous drinking water‚ poisonous food animals‚ unbalanced river and lake ecosystems that can no longer support full biological diversity‚ deforestation from acid rain. * How to overcome: Many practical solutions to minimizing the water pollution problems in our everyday lives. We should apply natural pesticides and fertilizers‚ dispose of toxic products with care in the proper area‚ use less water and avoid
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pollution and itseffects. For example‚ the emission of sulphur dioxide—caused by the combustion of fossil fuelssuch as gas‚ petroleum‚ and coal—into the air can result in the acidification of soils and lakeswhen it reaches the Earth’s surface (see Acid Rain). Pollution can also be classified on the basisof the type of pollutant‚ such as pesticides ( see Pest Control) and other persistent toxic organiccompounds‚ heavy metals‚ radioactivity‚ human and animal effluent‚ and toxic gases. Themost familiar
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Vehicles crowding roadways ‚ power plants pumping smoke and chemicals from consumer products have many people thinking about air pollution and how it affects the planet . Air pollution is a complicated problem with many causes and effects and few solutions . Reducing air pollution and its effects will require the cooperation of people everywhere . Chairman : Good morning to everybody . We meet again in a forum event entitled ‘ Air Pollution ’ . As we begin the discussion
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AIR POLLUTION The major pollution caused by factories or industrials’ activities is air pollution. According to the Engineers’ Joint Council “Air Pollution and Its Control”‚ air pollution means the presence in the outdoor atmosphere of one or more contaminants‚ such as dust‚ fumes‚ gas‚ mist‚ odour‚ smoke or vapour in quantities of characteristics and of duration‚ such as to be injurious to human‚ plant or animal life or to property or which unreasonably interfaces with the comfortable enjoyment
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