A statement of the first law of thermodynamics is that:

A. the total energy of the universe is constant.
B. in a spontaneous process, the entropy of the universe increases.
C. the total energy of the universe is always decreasing.
D. mass and energy are conserved in all chemical reactions.
E. there is no disorder in a perfect crystal at 0 K.

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.