Chloromethane, CH3Cl, arises from the oceans and from microbial fermentation and is found throughout the environment. Itis used in the manufacture of various chemicals and has been usedas a topical anesthetic. What quantity of heat must be absorbed to convert 150. g of liquid to a vapor atits boiling point, -24.09°C? The heat of vaporization ofCh3Cl is 21.40 kJ/mol.