What is the environmental and social impact of using coal to produce electricity? According to the Energy Information Administration (EIA)‚ burning fossil fuels accounted for approximately 67% of the total amount of electricity produced in the United States in 2015. Coal and natural gas lead all electricity production at 33% each and the other 1% came from petroleum. The way that coal produces electricity is through a process of energy transformations which are completed in coal power plants.
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to be approximately 6.6 billion tons. These substances‚ which arent naturally part of the atmosphere‚ are called pollutants. Over ninety percent of all air pollutants can be divided up into five categories: carbon monoxide‚ nitrogen oxides‚ hydrocarbons‚ sulfur oxides and suspended particulate matter. Mass is only one way of categorizing pollutants. Substances can also be looked at from an effect stand point. For example‚ carbon monoxide (CO) comprises 56% of all air pollutants when looked at in terms
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Scientists have added some cells in artificial blood which are capable of curing diseases. HBOCs sources 1) Human placentas 2) Genetically modified bacteria 3) RBCs from human blood 4) RBCs from cow blood Cons of HBOCs 1) They react with nitric oxide which is responsible for maintaining our blood pressure‚ so the blood pressure becomes high. 2) They cause lower body discomforts especially in the abdominal. 3) Some type of redness in eyes can be caused due to these
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archives to store valuable newspaper‚ letter or maps. The choice of boxes is important because if it not suitable it can damage the materials. The next factor is from air pollutants. Air pollutants criteria contain of three which is sulfur oxides‚ nitrogen oxides and ozone that can arise in form of indoor pollution. Some of those criteria can be control by installed system to remove it and some only can be
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different types of negative effects acid rain has on the world. Acid rain is the mixture of wet and dry deposition from the atmosphere containing higher than normal amounts of nitric and sulfuric acids. Pollution contributes to the forming of acid rain. One of the main causes is industrial burning of coal and other fossil fuels the oxides they contain and combine with atmospheric water which forms acids. One of the effects of acid rain is the loss of fish in lakes and streams. These fish die because many
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Lovely Professional University‚ Punjab Course Code Course Title Course Planner Lectures CHE883 ENVIRONMENT CHEMISTRY 15316::Pushp Lata Course Category Tutorials Practicals Credits Courses with numerical and conceptual focus 3.0 0.0 0.0 TextBooks Sr No Title Author T-1 Environmental Chemistry Edition Year Publisher Name Colin Baird‚ Michael Cann 4th 2008 W.H. Freeman and company Reference Books Sr No Title Author Edition
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1) Natural buffers are chemicals that the body releases into the blood stream to help maintain a healthy pH level. Carbon dioxide (CO2) acts as an acid by donating hydrogen ions when needed and forms carbonic acid when it dissolves in water. Carbonic acid bicarbonate is important for maintaining an acid base balance in the blood as it equalizes the pH (7.5) of the blood. All body fluids have buffers that defend the body against pH changes. A process that affects buffers in the blood is exercise
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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 contained in the atmosphere‚ resulting in the formation of sulfuric and nitric acids. These acids can be dispersed far away from their places of origin. Acid rain seeps into the earth and poisons plants and trees by dissolving toxic substances in the soil‚ such
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7.4 Case Study: The Haber Process: Ammonia for Food and Bombs From: Eros Wang To: Ms. Irumekhai Date: March 30‚ 2012 1. Suggest five factors that could affect the production of ammonia in the Haber process. Explain the effect of each factor‚ using rate theory. The Haber process itself is a delicate balancing act because of all the factors that affect the yield of ammonia. In the Haber process‚ the nitrogen‚ hydrogen and ammonia are in equilibrium. So five factors that affect the
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| Chapter 10 ComMon Acids and Alkalis 10.1 Acids and Alkalis 1. Acids taste sour. Many fruits contain acids. 2. The three mineral acids commonly found in the laboratory are hydrochloric acid‚ sulphuric acid and nitric acid. 3. Alkalis taste bitter and feel soapy or slippery. 4. The common alkalis found in the laboratory are sodium hydroxide solution‚ potassium hydroxide solution‚ calcium hydroxide solution and ammonia solution. 10.2 Acid-Alkali Indicators
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