Ethanol or ethyl alcohol (CH3CH2OH) is an important organic chemical because of its unique properties, and therefore can be used widely for various purposes. Under ordinary conditions, ethanol is a volatile, flammable, clear, colorless liquid, miscible in both water and non-polar solvents. Ethanol and ethanol-gasoline blends have a long history as automotive fuels. In the late 1800 for example, Henry Ford, Nicholas Otto and others built engines and cars that could run on ethanol (Solomon, Barnes, & Halvorsen, 2007).
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