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.
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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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sulphur + 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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BEL 492 (Individual Presentation) Speech 1 Student’s name : Nur Nadirah binti Mohd Din Faculty/ Group : Business Management (BM2223A) Lecturer’s name : Madam Suchitra Title : ACID RAIN Order : Topical Order General Purpose : To inform Specific purpose : Acid rain is harmful to environment that it can damage everything over a period of time because it makes the living things in the environment die. Central idea : To inform my audience about the causes‚ effects and
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Naming Chemical Compounds PART A Name the following 1 S Sulfur 2 Sb Antimony 3 N2 Dinitrogen 4 PO43- Phosphate 5 Au Gold 6 Rb Rubidium 7 LiCl Lithium Cloride 8 AlBr3 Aluminum (III) Bromide 9 KMnO4 Potassium Manganate (VII) 10 Cu(OH)2 Copper (II) Hydroxide 11 FeSO4 Iron (II) Sulfate 12 NH4Cl Ammonium Chloride 13 ZnCO3 Zinc Carbonate 14 SnF2 Tin (II)Fluoride 15 MgSO4 Magnesium Sulfate 16 MnO2 Manganese (IV) Oxide 17 Ca3(PO4)2 Tricalcium Phosphate 18 NaOH Sodium Hydroxide
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beneath. This black crust is primarily composed of gypsum‚ a mineral that forms from the reaction between calcite‚ water‚ and sulfuric acid. Gypsum is soluble in water; although it can form anywhere on carbonate stone surfaces that are exposed to sulfur dioxide gas (SO2)‚ it is usually washed away. It remains only on protected surfaces that are not directly washed by the rain. Gypsum is white‚ but the crystals form networks that trap particles of dirt and pollutants‚ so the crust looks black. Eventually
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Acid rain‚ or more accurately acid precipitation‚ is the term used for describing rainfall with a pH level lower than 5.6. This type of pollution is a matter of great debate currently due to the potential of its causing environmental damages all across the world. For the last decade or so acid rain has caused destruction to hundreds of lakes and streams in many parts of the world‚ including the US‚ Canada‚ and Europe. Acid rain forms due to the oxides of sulfite and nitrogen combining with the moisture
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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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P IntroductionThere has been a spill of concentrated sulphuric acid at the chemical plant where I work at as the Safety Engineer. In this report‚ I will explain what Sulfuric Acid is‚ the health risks and hazards associated with it‚ the safety precautions that should be taken and how the spill should be handled. Sulfuric Acid‚ H2SO4‚ also commonly known as battery acid or vitriol‚ is one of the top products in the chemical industry‚ with 40 million tons produced annually in the U.S. It is a colourless
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absorption of the acid is 100 % = 416.667 / 1.0 Then‚ SO3 required = 416.67 Kmoles/Hr Also its assumed that the overall conversion of SO2 to SO3 in the reactor is 99.8% Then SO2 required= 416.67 / 0.998 = 417.51Kmoles/Hr Assuming 100% combustion of Sulfur‚ Then S required = 417.5 Kmoles/Hr = 13360.3 Kgs Amount of oxygen required to convert 1Kmole of S to SO3 = 1.5 Kmoles Then‚ amount of Oxygen required = 417.51 x 1.5 = 626.26 Kmoles As cited in the literature that some amount of excess oxygen
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