chemistry II revision

In the kinetic theory, the particles in a gas _________.

• move independently of each other.

• move slowly.

• are relatively close together.

• have attractive and repulsive forces

When the external pressure is 1010 kPa, what is the vapor pressure of water at its boiling point?

505 kPa

• 505 kpa

• 0 kPa

• 101.3 kPa

• 1010 kPa

Boyle's law states that the ____.

• volume of a gas varies inversely with pressure

• volume of a gas varies directly with pressure

• temperature of a gas varies inversely with pressure

• temperature of a gas varies directly with pressure

Which of the following gases will effuse the most rapidly?

• bromine

• chlorine

• ammonia

• helium

Which of the following substances is the most soluble in water?

• potassium chloride

• methane

• bromine

• carbon

A crystal that absorbs water vapor from the air is ____.

• aqueous

• deliquescent

• hygroscopic

• efflorescent