To convert between moles and molecules, you need
a. use avogadro's number as a conversion factor
b. use molar mass as a conversion factor
c. use molar volume at stp as a conversion factor
d. multiply by a whole number ratio equal to the molecular formula

You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.