4 А A
0.356g of the solid compound y when dissolved in
9.450m²
of ccl4 with density 1.595g/mol, raising the
boiling point of Carbon tetrachloride by 0.560°C KF
of ccl4 is 30m ; calculate, The molality of solutions
ole of compound y
B) molar mass of compound y
C)Molecular formula of compound y.

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

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.

Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?