calculate the heat of vaporization of ethanol, C2H5OH

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1. calculate the heat of vaporization of ethanol, C₂H₅OH.

C₂H₅OH(l)---- C₂H₅OH(g); /H^O=?

 

The standard enthalpy of formation of C₂H₅OH(l) is -277.7 KJ/mol and that of C₂H₅OH (g) is 235.4KJ/mol.

 

1. 2H₂S (g) 3O₂(g)---- 2H₂O(l) +2SO₂(g)

calculate the standard enthalpy change for this reaction using standard enthalpies of formation.