9. a A Cube made of a hard wood has a density of 0.75g/cm^3. If you have 10f of the sample how big is the cube? B. In a density column with gasoline, water, and corn syrup, where would this wooden cube end up?

10. a A rock has a density of 2.72 g/ml. If it displaces 0.05 liters of water, what is the mass of the rock?

b. In a cylinder of corn syrup, water, and gasoline, where would this rock end up?

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.