colligative properties

When KCl (potassium chloride) is dissolved in water, how many particles are in solution for each unit?

• 1

• 2

• 3

• 4

• 6

When CaBr₂ is dissolved in water, how many particles will be in solution for each unit?

• 1

• 2

• 3

• 4

• 5

Colligative properties depend on the _____ of solute particles in solution.

• type
• number
• pH
• nature

The freezing point of a solution is ____ the freezing point of the pure solvent.

• the same as
• lower than
• higher than
• no relation to

The boiling point of a solution is ______ the boiling point of the pure solvent.

• higher than
• the same as
• lower than
• higher or lower than

Adding a nonvolatile solute to a liquid will ___.

• depress both the freezing point and the boiling point

• elevate both the freezing point and the boiling point

• depress the freezing point and elevate the boiling point

• elevate the freezing point and depress the boiling point

When the temperature of matter increases the particles...

• speed up and move closer
• speed up and move farther apart
• slow down and move closer together
• slow down and move farther apart

The weaker the intermolecular forces of a substance the _____________ the boiling point

• higher

• lower

What is happening at the boiling point?

• liquid to gas
• gas to liquid
• solid to liquid
• liquid to solid

When a solid reaches the temperatures of its ___, it can become a liquid.

• melting point
• freezing point
• boiling point
• density