passenger vehicle in a household‚ and that’s an amazing thing‚ but‚ this privilege leads to more serious problems than not getting somewhere on time. Car emissions produce three types of carbon - Carbon Monoxide (CO) and Carbon Dioxide (CO2) and hydrocarbon (CH4) - which are traumatizing both our health and the environment. By itself‚ carbon isn’t a harmful element‚ but one of its characteristics is easily pairing up with majority the elements in the periodic table. Its ability to bond is infinite;
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are used. Any one compound may have five or six different names. So‚ what we want to accomplish in this module is simply to establish the fundamentals of the IUPAC system and apply them to naming alkanes‚ alkenes and alkynes. These groups are hydrocarbons‚ compounds made of the elements carbon and hydrogen. ________________________________________ Numerical Prefixes = Number of Backbone Carbon Atoms The prefix in the name of an organic molecule indicates the number of carbon atoms found in
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Developing Fuels * All gases take up the same volume under the same conditions. AT room temperature and room pressure this volume is 24 dm3. * Number of moles= volume in dm3 24 * Balanced equations can also be used to work out gas volumes. In the equations: 2Na + 2H2O 2NaOH + H2‚ where 15g of sodium is reacted‚ you can work out the volume of gas from working out the number of moles in 15g Na = 0.65 mol. Then you see that 2 mol of Na 1mol of H2‚ Thus 0.65 mol Na 0.325 mol H2. 0.325
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they wanted as long as they continue to bring in prosperity to Waukegan. What they were allowed to do was dump millions of gallons to toxic sludge into lake Michigan‚ sludge containing Polychlorinated Biphenyl (PCB)‚ Arsenic‚ Polycylic Aromatic Hydrocarbons‚ Ammonia‚ Benzene and Trichloroethylene toxins. Waukegan Harbor became the Chenobol of the Midwest when this appaling act of polluting was discovered in the 1970s. Waukegan‚ a city that sits north of Chicago‚ Chicago‚ a city that depends on
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ethyl alcohol‚ we can note that there is a polar hydroxyl group present. However‚ since most of the molecule is composed of hydrocarbons‚ ethyl alcohol is also nonpolar‚ thus‚ allowing it to mix homogeneously with both polar and nonpolar substances. This we see is true because nonpolar benzophenone and ethyl alcohol are soluble. Finally‚ since hexane is composed of hydrocarbons only‚ we know that it is a nonpolar molecule‚ thus allowing it to mix homogeneously with benzophenone. Biphenyl Test Tube
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Chemistry revision Atoms elements and compounds Atom-the smallest part of an element that can still be recognized as an element Element-a substance made up of only one type of atom. An element cannot be broken down chemically into any simpler substance Nucleus-middle of the atom‚ which contains protons and neutrons Electron-tiny particle‚ which surrounds the nucleus with a negative charge Compound-when two elements react and combine together which contain more than one element. There
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chemistry‚ the organic compounds which are made up of carbon and hydrogen are called hydrocarbons. They can be gases as‚ propane‚ they can be liquids‚ for example‚ benzene‚ or they can be low-melting solids and waxes‚ for example‚ polystyrene. There are four classifications of hydrocarbons; saturated hydrocarbons or alkanes‚ unsaturated hydrocarbons or alkenes and alkynes‚ cycloalkanes‚ and aromatic hydrocarbons or arenes. The different between these groups is in the bond types between the carbons
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or damage the natural environment or built environment. One of the causes is the exhaust gases emitted by vehicles. These gases are particulate matter (PM)‚ hydrocarbons (HCs)‚ nitrogen oxides (NOx)‚ carbon monoxide (CO)‚ sulfur dioxide (SO2)‚ hazardous air pollutants and greenhouse gases. Some of these gases like carbon monoxide‚ hydrocarbons and nitrogen oxides can be adsorbed by coconut fibers. Coconut fibers have a lot of pores that could actually trap the exhausted or emitted gases of vehicles
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CHEMISTRY ISU: REFINEMENT OF CRUDE OIL My ISU will focus on Petroleum‚ a complex mixture of hydrocarbons that occurs in the Earth in liquid‚ gaseous‚ or solid forms. The term is usually restricted to the liquid form‚ commonly called crude oil‚ but as a technical term it also includes natural gas and the viscous or solid form known as bitumen. In its liquid and gaseous states‚ it is also known as Oil‚ or Crude Oil. Italicized are segments from my ISU or introductions to the planned topics.
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This form can be used for reporting analyses of volatile organic compounds‚ semi-volatile‚ petroleum hydrocarbons‚ PCBs‚ pesticides‚ herbicides‚ and other organics. Page 1 of 3: Analytical Result A. Header Information 1. After "Project No:"‚ enter the client’s project number (from cover page 1). This number is required on every page of the report. 2. After "METHOD"‚ enter the analytical method used. (e.g.‚ EPA 8260‚ or EPA method 8021). 3. After "REPORTING UNIT"‚ enter the appropriate
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