13.6-13.9

Question 1

What are the colligative properties:

Answer 1

1. ) vapor pressure lowering
2. ) boiling point elevation
3. ) freezing point depression
4. ) osmotic pressure.

Question 2

Raoult’s Law:

Answer 2

P(souln) = P(solv) * Xsolv

( mol fraction of the solvent)

Question 3

How can an dissociation be expressed?

Answer 3

vant Hoff Factor: i =
moles of particles in solution / moles of solute dissolved

Question 4

What is the equation of the vaporization associated with free energy change?

Answer 4

DeltaG (vap) = DeltaH (vap) - TDeltaS (vap)

Question 5

What does a negative DeltaG (vap) = ?

Answer 5

forward vaporization

Question 6

What does a postive DeltaH (vap) = ?

Answer 6

disfavors the vaporization of liquid to gas

Question 7

What does a positive DelaS (vap)

Answer 7

vaporization is favored