Convert each of the following functional class IUPAC names to a substitutive name. (a) Dibenzyl ketone

(b) Ethyl isopropyl ketone

(c) Methyl 2,2-dimethylpropyl ketone

(d) Allyl methyl ketone

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.