6. The enthalpy of vaporization of ethanol ( Hvap ) is 38.56kJ/mol. How much energy is required to vaporize 18.4g of ethanol? Ethanol is CH2CH2OH.(3pts) A) 38.56kJ B) 96.8kJ C) 41.1kJ D) 36.1kJ E) 15.4kJ 7. How much energy in kJ is required to convert 55.0g of water at 25.0degC completely to steam (gaseous water) at 100.0degC ? (3 pts) (Specific heat of water =4.18J/gC:Hvap=2260J/g ) A) 306k B) 142kJ C) 608kJ D) 259kJ E) 98kJ