Transcript 1 - Revsworld

Chemistry, The Central Science, 11th edition
Theodore L. Brown, H. Eugene LeMay, Jr.,
Bruce E. Bursten,
and Catherine J. Murphy
Chapter 13
Properties of Solutions
Dana & Michelle Chatellier
University of Delaware
© Copyright 2009, Pearson Education
The “like dissolves like” rule
states that substances with
similar __________ will dissolve
in each other.
a.
b.
c.
d.
molecular weights
molecular shapes
intermolecular attractive forces
densities
The “like dissolves like” rule
states that substances with
similar __________ will dissolve
in each other.
a.
b.
c.
d.
molecular weights
molecular shapes
intermolecular attractive forces
densities
Which substance below is
miscible with water?
a.
b.
c.
d.
CH3OH
CH4
C 6H 6
CH3CH2OCH2CH3
Which substance below is
miscible with water?
a.
b.
c.
d.
CH3OH
CH4
C 6H 6
CH3CH2OCH2CH3
__________ Law states that the
solubility of a gas in a liquid
increases as the pressure of the
gas above the liquid increases.
a.
b.
c.
d.
Boyle’s
Charles’
Henry’s
Raoult’s
__________ Law states that the
solubility of a gas in a liquid
increases as the pressure of the
gas above the liquid increases.
a.
b.
c.
d.
Boyle’s
Charles’
Henry’s
Raoult’s
The molality of a solution is
found by dividing the amount of
solute in moles by the:
a.
b.
c.
d.
volume of the solution in liters.
mass of the solvent in kilograms.
mass of the solution in kilograms.
total number of moles.
The molality of a solution is
found by dividing the amount of
solute in moles by the:
a.
b.
c.
d.
volume of the solution in liters.
mass of the solvent in kilograms.
mass of the solution in kilograms.
total number of moles.
__________ Law states that the
vapor pressure of a solution is
directly proportional to the mole
fraction of solvent present.
a.
b.
c.
d.
Boyle’s
Charles’
Henry’s
Raoult’s
__________ Law states that the
vapor pressure of a solution is
directly proportional to the mole
fraction of solvent present.
a.
b.
c.
d.
Boyle’s
Charles’
Henry’s
Raoult’s
Which aqueous solution should
have the lowest freezing point?
a.
b.
c.
d.
0.100 m NaCl
0.100 m CaCl2
0.100 m KI
0.100 m LiNO3
Which aqueous solution should
have the lowest freezing point?
a.
b.
c.
d.
0.100 m NaCl
0.100 m CaCl2
0.100 m KI
0.100 m LiNO3
Isotonic solutions have the
same:
a.
b.
c.
d.
density.
volume.
vapor pressure.
osmotic pressure.
Isotonic solutions have the
same:
a.
b.
c.
d.
density.
volume.
vapor pressure.
osmotic pressure.
A solution contains 0.02755 g of
a protein in 25.0 mL of solution.
The osmotic pressure is 3.22
torr at 298 K. What is the
molecular weight of the protein?
a.
b.
c.
d.
254 g/mole
6360 g/mole
159,000 g/mole
2,340,000 g/mole
A solution contains 0.02755 g of
a protein in 25.0 mL of solution.
The osmotic pressure is 3.22
torr at 298 K. What is the
molecular weight of the protein?
a.
b.
c.
d.
254 g/mole
6360 g/mole
159,000 g/mole
2,340,000 g/mole
Which of these is NOT a colloid?
a.
b.
c.
d.
butter
smoke
whipped cream
salt water
Which of these is NOT a colloid?
a.
b.
c.
d.
butter
smoke
whipped cream
salt water
The scattering of light by
colloidally dispersed particles is
known as the __________
effect.
a.
b.
c.
d.
Tyndall
Raoult
Hall
Meissner
The scattering of light by
colloidally dispersed particles is
known as the __________
effect.
a.
b.
c.
d.
Tyndall
Raoult
Hall
Meissner