3. scientist use their knowledge of the half-life of carbon and uranium isotopes to measure the age of the rock or fossil .

Avariable that is not being directly tested during an experiment should be

Fossil fuels are organic compounds that are made from

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.