Colligative Properties

Front

What happens when a nonvolatile solute is added to a liquid?

Back

It depresses the freezing point and elevates the boiling point.

Front

What is the role of a solvent in a solution?

Back

To dissolve the solute.

Front

What term describes liquids that do not mix, such as water and oil?

Back

Immiscible.

Front

What is the boiling point of a substance?

Back

The temperature at which a liquid turns into a gas.

Front

What is the melting point of a substance?

Back

The temperature at which a solid turns into a liquid.

Front

When CH₃OH is dissolved in water, how many particles are in solution for each unit?

Back

1.

Front

What is a colligative property?

Back

A property that depends on the number of solute particles in a solution, not their identity.

Front

How does adding a solute affect the vapor pressure of a solvent?

Back

It lowers the vapor pressure of the solvent.

Front

What is the effect of solute on freezing point?

Back

The freezing point is lowered when a solute is added.

Front

What is the effect of solute on boiling point?

Back

The boiling point is elevated when a solute is added.