Which of the following will have same number of molecules at STP. a)280cm3 of CO2 and 280cm3 of N2O. B)44g of CO2 and 11.2dm3 CO c)11.2dm3 of O2 and 32g of O2 d)28g of N2 and 5.6dm3 of oxygen PLEASE EXPLAIN IN DETAIL :))

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.