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Ethanol, also called ethyl alcohol, pure alcohol, grain alcohol, or drinking alcohol, is a volatile, flammable, colorless liquid. It is a powerful psychoactive drug and one of the oldest recreational drugs. It is best known as the type of alcohol found in alcoholic beverages and thermometers. In common usage, it is often referred to simply as alcohol or spirits. Ethanol is a straight-chain alcohol, and its molecular formula is C2H5OH. Its empirical formula is C2H6O. An alternative notation is CH3–CH2–OH, which indicates that the carbon of a methyl group (CH3–) is attached to the carbon of a methylene group (–CH2–), which is attached to the oxygen of a hydroxyl group (–OH). It is a constitutional isomer of dimethyl ether. Ethanol is often abbreviated as EtOH, using the common organic chemistry notation of representing the ethyl group (C2H5) with Et. The fermentation of sugar into ethanol is one of the earliest organic reactions employed by humanity. The intoxicating effects of ethanol consumption have been known since ancient times. In modern times, ethanol intended for industrial use is also produced from by-products of petroleum refining. Ethanol has widespread use as a solvent of substances intended for human contact or consumption, including scents, flavorings, colorings, and medicines. In chemistry, it is both an essential solvent and a feedstock for the synthesis of other products. It has a long history as a fuel for heat and light, and more recently as a fuel for internal combustion engines. From Wikipedia under the
GNU Free Documentation License What is it in ethanol (the elements that make up ethanol) that makes ethanol a depressant? Q. Ethanol is classified for medical purposes as a central nervous system depressant. What is it in ethanol, its chemical structure or the elements found in ethanol, that reacts with the central nervous system that makes it a depressant? Asked by Kicks007 - Sat Aug 25 07:03:30 2007 - - 1 Answers - 0 Comments A. ethanol consists of ethane n alcohol.its common name is ethyl alcohol n it's an alcohol. Answered by jessica c - Sat Aug 25 07:18:37 2007 Why would ethanol put such a strain on the food supply? Q. I already know corn isn't the most efficient method for creating ethanol. That's not my question. I'm just wondering why everyone is pointing fingers at corn ethanol when corn is already used for so many other things like high-fructose corn syrup (which is in everything these days) and for cattle feed. Why doesn't anyone point to those uses as putting a strain on supply? Why does ethanol get singled out? Is this just a bandwagon that everyone has jumped on without knowing the whole story? Are the oil companies trying to badmouth alternative energy sources? What's the deal? Asked by 42 - Tue Jun 17 10:45:49 2008 - - 3 Answers - 0 Comments A. You are correct that ethanol is not the only use for corn - it is just the most recent and least essential. It is also the fastest-growing on a percentage basis. Granted, it's not fair to say that corn consumed in food production grew 4% while corn consumed in ethanol grew 22% if this is the ninth year that we've tracked ethanol but 200th that we've tracked food. Ethanol is still a growth industry, while food is pretty mature. There's a profound indignation about using food supplies for fuel, especially when there is still hunger in the world. These voices of opposition have been around since ethanol research began, and have only become louder during a time of poor harvests (droughts and floods being major contributors). Indeed, corn's… [cont.] Answered by Veritatum17 - Tue Jun 17 11:11:42 2008 How many ppm and % is 390000 mg/L of ethanol in a 200mL bottle of water?
Q. I have a 200mL bottle of water that has been contaminated with ethanol. The concentration of ethanol is 39000 mg/L. What is the percentage of the bottle that is ethanol and how many parts per million of ethanol are in the bottle? Asked by jas114 - Thu Jan 10 15:57:18 2008 - - 1 Answers - 0 Comments A. Percentage and parts per million are dimensionless quantities. Assuming a solution density of 1g/mL, the ethanol percentage is calculated as follows: 39000 mg/L * 1L/1000mL * 1g/1000mg * 1g/mL= 0.39g/g Multiply the above dimensionless result by 100% for the percentage (39%), or multiply the result by 10^6 ppm for the parts per million (39000 ppm). Answered by luminolic73 - Thu Jan 10 16:39:17 2008 From Yahoo Answer Search: "Ethanol"  esthervilledailynews.com Thu, 29 Jul 2010 18:11:33 GMT+00:00 Estherville Daily News For starters, only two states between here and the West Coast - Iowa and South Dakota - offer E-10 ethanol for less than regular unleaded gasoline. ...  blogs.desmoinesregister.com Fri, 23 Jul 2010 18:48:29 GMT+00:00 study DesMoinesRegister.com (blog) The report released on Tuesday predicted that eliminating the subsidy for ethanol would have a relatively small impact on ethanol production because of the ... Lapsed Ethanol Tax Credit is a Tax Hike, not a Tax Cut Oregon Natural Resources Report  economictimes.indiatimes.com Fri, 23 Jul 2010 19:47:08 GMT+00:00 likely to revisit pricing issues Economic Times new delhi: A group of ministers (GoM) on ethanol could once again review pricing issues that dominate the re-starting of the Centre's much-vaunted Ethanol ... From Google News Search: "Ethanol"  ecogen-energy.com 150px x 226px | 47.70kB [source page] EcoGen LLC 8111 E 32nd Street North Suite 101 Wichita KS 67226  treehugger.com 351px x 468px | 38.80kB [source page] Image from petrr Given all the recent backlash it seemed inevitable that the EU would be forced to From Yahoo Image Search: "Ethanol"  alcoholreports.blogspot.com Loran Archer Mon, 26 Jul 2010 19:14:00 GM Previous research shows that prenatal binge . ethanol. exposure during gestation days (GD) 17 to 20 of the rat, increases postnatal . ethanol. intake and enhances . ethanol's. palatability, both effects being mediated by the opioid system. ...  netenergy.theoildrum.com David Murphy Mon, 26 Jul 2010 14:30:45 GM Over the past decade there has been considerable debate on corn . ethanol. , most focused on whether it is a net energy yielder. The argument is generally that if the Energy Return on Investment (EROI) of corn . ethanol. is positive then it ...  clubmod.blogspot.com Jeremy Smith Mon, 26 Jul 2010 22:32:00 GM Well, work on cellulosic . ethanol. has progressed over the last few years and things look good for large-scale commercial application. A recent report put the production costs at $2.35 per gallon, and . ethanol. produced from switchgrass ... From Google Blog Search: "Ethanol" |
