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August 20, 2014

Homework Help: Chemistry

Posted by Anonymous on Thursday, February 11, 2010 at 9:24pm.

How much heat is required to convert 32.5 grams of ethanol at 28 C to the vapor phase at 78 C?

Ethanol (C2H5OH) boils at 75 C. Its density is 0.789 g/mL. The enthalpy of vaporization is 38.56 kJ/mol. The specific heat of liquid ethanol is 2.3 J/g-K.

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