Calcium chloride is added to the roadways after a snowstorm. Which colligative property is being showcased here?

A) osmotic pressure
B) boiling point elevation
C) vapor pressure lowering
D) freezing point depression

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.