The molar heat capacity of ethane is represented in the temperature range 298 k to 400 k by the empirical expression coin uk moll 14.73 + (0.1272 mt in k). the corresponding expressions for c and hziai are given in the back of the atkins textbook. calculate the standard enthalpy of formation of ethane at 373k from its value at 298 k, in kj moll

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.