Which of the following is the best description of convection? a. heat transfer in a gas or liquid by the circulation of currents from one region to another b. the emission of energy in the form of rays or waves that are able to travel through empty space c. the process of changing from a gas to a liquid or from a liquid to a gas d. the transmission of heat through a medium without the motion of the medium

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.