A compound consists of 81.7 percent by mass carbon and 18.3 percent by mass hydrogen What is the empirical formula of this compound?

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions

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.

Determine type of reaction & predict the product c3h12+o2 =