Ch 13 Chem IONS IN AQUEOUS SOLUTIONS AND COLLIGATIVE PROPERTIES

Front

What happens to the vapor pressure of a solvent when a nonvolatile solute is added?

Back

The vapor pressure of the solvent decreases.

Front

What is the process called when a solid forms by mixing two ionic solutions?

Back

Precipitation.

Front

What are solutions that can conduct electricity called?

Back

Electrolytes.

Front

What substance is added to prevent cars from overheating during the summer?

Back

Antifreeze / coolant.

Front

What do colligative properties depend on?

Back

The number of dissolved solute particles.

Front

Define colligative properties.

Back

Properties of solutions that depend on the number of solute particles in a given amount of solvent.

Front

What is vapor pressure?

Back

The pressure exerted by a vapor in equilibrium with its liquid or solid phase.

Front

What is the effect of adding a solute on the boiling point of a solvent?

Back

The boiling point of the solvent increases.

Front

What is the effect of adding a solute on the freezing point of a solvent?

Back

The freezing point of the solvent decreases.

Front

What is osmosis?

Back

The movement of solvent molecules through a semipermeable membrane from a region of lower solute concentration to a region of higher solute concentration.