isn’t just a problem that’s occurred in the past thirty years. Over a hundred years ago‚ a chemist named Robert Smith found great evidence that the rainfall in Manchester‚ U.K. was more acidic than reasonable. After studying chemicals like sulphur dioxide‚ he found a link between the increased acidity in the rain and the amount of chemicals being given off when coal was burnt in factories. Acidity levels in rain rise mainly when pollutants from all aforementioned sources are mixed with the atmospheric
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worldwide‚ and it’s been documented since the 1800s‚ as the Industrial Revolution caused the burning of fossil fuels like coal‚ gas and oil. When these fuels or any other organic material like wood or paper are burned‚ they release compounds like sulfur dioxide (SO2) and nitrous oxides (NOx) into the air. Are SO2 and NOx the causes of acid rain? Indirectly‚ yes. When SO2 and NOx enter the atmosphere‚ they react with water vapor‚ oxygen and other compounds to form sulfuric acid and nitric acid. This
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burning power plants‚ factories‚ and automobiles (EPA). When industrial factories and power plants burn fossil fuels‚ sulfur dioxide (SO2) and nitrogen oxides (NO) are released into the atmosphere. These chemicals react with water and oxygen to form mild solutions of nitric acid (HNO3)‚ and sulfuric acid (H2SO4)‚ as shown below (EPA). Decomposing vegetation release carbon dioxide‚ which mixes with water to form carbonic acid (H2CO3)‚ also shown below (EPA). SO2 + O2 = SO3 SO3 + H2O =
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sources‚ primarily emissions of sulfur dioxide (SO2) and nitrogen oxides (NOx) resulting from fossil fuel combustion. In the United States‚ roughly 2/3 of all SO2 and 1/4 of all NOx come from electric power generation that relies on burning fossil fuels‚ like coal. Acid rain occurs when these gases react in the atmosphere with water‚ oxygen‚ and other chemicals to form various acidic compounds. The result is a mild solution of sulfuric acid and nitric acid. When sulfur dioxide and nitrogen oxides are released
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colorless and corrosive. Sulfuric acid is used with varying degrees of concentrations in manufacturing processes and in petroleum refining. When sulfuric acid is heated it decomposes into water and sulfur trioxide. Sulfuric acid is very strong and a great oxidizing agent. It reacts readily with carbon‚ sulfur‚ and metals when it is at high temperatures (The Editors of Encyclopedia Britannica‚ 2014). Sulfuric acid will cause severe burns with any method of exposure and may be fatal if it is inhaled. It
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variables the same) 28. D 29. B 30. D 31. C 32. B? 33. B 34. D? 35. A 36. B 37. B 38. A 39. D? 40. A (you would assume this because the Pb+S is greater than Pb+O‚ and according to the values given PbO is lighter than PbS – also‚ SO2 is a gas (sulfur dioxide) 41. D (because the actual infection rate was generally the same for all groups) 42. B (as shown by personal rating level data for remedy R and to a lesser extent remedy T) 43. B 44. C (not weight because weight = mass x gravity‚ and the water
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oxygen sulfur dioxide Balanced chemical equation for the burning of sulphur: S(s) + O2(g) SO2(g) b. SO2 is a byproduct of the burning of coal. It is a very acidic oxide‚ producing sulphurous and eventually sulphuric acid when mixed with water‚ contributing to acid rain. In areas where there is a large amount of SO2 present‚ the rain pH can be as low as 3.5 whereas natural rain is about 5.6. This is 100 times more acidic. c. This harmful effect is noted by: Sulfur dioxide + water +
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Persuasive Essay. Destruction of the world’s forest in an inevitable consequence of worldwide improvement in the standard of living. Discuss. Imagine that life without green tree‚ imagine people are snatching oxygen and started to do anything they can get the oxygen. When people started to sweat‚ to breath hardly‚ to think hard what had they do for their past to the nature. It happen when deforestation occurred! By definition‚ deforestation means the cutting or removal of trees from woodlands
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Knowing Exposure Risks Important to Saving Structures from Wildfires Sep. 4‚ 2013 — A recent study of one of California’s most devastating wildland fires by the National Institute of Standards and Technology (NIST) and the U.S. Forest Service (USFS) strongly suggests that measures for reducing structural damage and property loss from wildland urban interface (WUI) fires are most effective when they are based on accurate assessments of exposure risks both for individual structures and the community
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CHAPTER 9 : MANUFACTURED SUBSTANCES IN INDUSTRY NAME: NUR INSYIRAH BTE. AB HAMED CLASS: 4 SAINS GUNAAN (SG) SCHOOL: SMK SERI INDAH CONTENT Content Introduction 9.1 Sulphuric acid 9.1.1 Properties of sulphuric acid 9.1.2 The uses of sulphuric acid 9.1.3 The industrial process in manufacture of sulphuric acid 9.1.4 Environmental pollution by sulphuric acid 9.2 Ammonia and its salt 9.2.1 Properties of ammonia 9.2.2 The uses of ammonia 9.2.3 The industrial process in manufacture of ammonia
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