Ethanol (CH₃CH₂OH) is being used as a gasoline additive (a) Use bond energies to find ΔH°for the combustion of gaseous ethanol. (Assume H₂ O forms as a gas.)or alternative in many parts of the world.

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The following reaction takes place when ethanol (CH3CH2OH) is burned, such as when it is in a gasoline blend: 2CH3CH2OH(l)+6O2(g)→4CO2(g)+6H2O(g)  

What is ethanol ?

A renewable fuel known as "biomass" is used to create ethanol from diverse plant components. Ethanol, often in the form of E10 (10% ethanol, 90% gasoline), is added to more than 98% of gasoline sold in the US in order to oxygenate the fuel and lower air pollution.

A substance made of organic chemicals is ethanol. With the chemical formula C2H6O, it is a straightforward alcohol. Its chemical name, EtOH, is also sometimes shortened to CH 3CH 2OH or C 2H 5OH. A volatile, flammable, colorless liquid known as ethanol has a distinctive wine-like odor and bitter flavor.

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