© 2012 pearson education, inc. entry task: nov 27 th block 1 sign off ch. 11-13 review ws

© 2012 Pearson Education, Inc.

Entry Task: Nov 27th Block 1

Sign off Ch. 11-13 Review ws


Agenda• Discuss Ch. 11-13 review ws• Clicker review on Ch. 11-13• Ch. 11-13 Exam- Next block


I can…Ch. 11• Distinguish the type of Intermolecular forces that

exist between substances.• Explain the relationships between a substances

physical properties and IMF.• Describe how the IMF can affect the vapor pressure• Explain phase diagrams in terms of energy and

phase changes


I can…Ch. 13• Explain the components and physical/chemical

processes of a solution• Describe and interpret solubility curves of a

substance. • State the factors that affect the solubility of a solute

in solution.• Express a concentration of a solution in different

ways- %, ppm, mole fraction, Molarity, & Molality• Explain how colligative properties affect the physical

properties of a solution.


Discuss Ch. 11-13 review


Which force below is the strongest intermolecular attractive force?

Hyd

rogen bondi...

Ion-d

ipole for..

.

Dipole-dipole ...

London disp

ers...

25% 25%25%25%1. Hydrogen bonding

2. Ion-dipole forces

3. Dipole-dipole forces

4. London dispersion forces

0 of 30


Which force below increases in strength as the molecular weight of the compound increases?

Hyd

rogen bondi...

Ion-d

ipole for..

.

Dipole-dipole ...

London disp

ers...

25% 25%25%25%

1. Hydrogen bonding

2. Ion-dipole forces

3. Dipole-dipole forces

4. London dispersion forces

0 of 30


Which compound below is not capable of forming hydrogen bonds?

CH4 N

H3 H

2O d.H

F

25% 25%25%25%

1. CH4

2. NH3

3. H2O

4. d. HF

0 of 30


Which compound below has the highest boiling point?

H2O

H2S

H2Se

H2Te

25% 25%25%25%1. H2O

2. H2S

3. H2Se

4. H2Te

0 of 30


Which element below has the highest boiling point?

Kr F2 Cl2 Br2

25% 25%25%25%

1. Kr

2. F2

3. Cl24. Br2

0 of 30


Which substance below has a greater density in its liquid state than in its solid state?

Iron

Glass

Wate

r

Carbon dioxide

25% 25%25%25%

0 of 30

1. Iron

2. Glass

3. Water

4. Carbon dioxide


The resistance of a liquid to flow is called the _______ of the liquid.

density

visco

sity

potential ener..

.

flow rate

25% 25%25%25%

0 of 30

1. density

2. viscosity

3. potential energy

4. flow rate


The energy required to cause a liquid to boil is called the _______ of the liquid.

boiling point

freezin

g point

heat of v

apori...

heat of f

usion

25% 25%25%25%

0 of 30

1. boiling point

2. freezing point

3. heat of vaporization

4. heat of fusion


Isopropyl alcohol feels cool to the touch because it has an (X) heat of (Y).

25%

25%25%

25%

a. X = ex... X = endo... X = exot... X = endo...

1. a. X = exothermic, Y = vaporization

2. X = endothermic, Y = vaporization

3. X = exothermic, Y = fusion

4. X = endothermic, Y = fusion

0 of 30


When heat is added to ice at zero degrees Celsius, what will happen?

The tempera

tur..

.

The tempera

tur..

.

The tempera

tur..

.

A supercr

itica...

25% 25%25%25%

1. The temperature will increase.

2. The temperature will decrease.

3. The temperature will not change.

4. A supercritical fluid will form.

0 of 30


The highest temperature at which a substance can exist in its liquid state is called its _______ point.

boiling

freezin

g tr

iple

critica

l

25% 25%25%25%

0 of 30

1. boiling

2. freezing

3. triple

4. critical


The temperature and pressure at which all three phases exist simultaneously is called the _______ point of a substance.

boiling

freezin

g tr

iple

critica

l

25% 25%25%25%

0 of 30

1. boiling

2. freezing

3. triple

4. critical


At high altitudes, the boiling point of water is

100 degrees C

e...

b. gre

ater t

h...

less

than 100 ...

equal to it

s f...

25% 25%25%25%

0 of 30

1. 100 degrees Celsius.

2. b. greater than 100 degrees Celsius.

3. less than 100 degrees Celsius.

4. equal to its freezing point.


Substance X has a boiling point of 150 degrees F and a freezing point of 15 degrees F. The condensation point of X

is 150 degre

es...

is 15 degrees .

..

is 165 degre

es...

is 135 degre

es...

25% 25%25%25%

0 of 30

1. is 150 degrees F.

2. is 15 degrees F.




The rule of “like dissolves like” refers to similarities between _______ of miscible liquids.

25%

25%25%

25%

molecular ... shapes intermolec... densities

1. molecular weights

2. shapes

3. intermolecular attractive forces

4. densities

0 of 30


Which of the following compounds is miscible with water?

CH3OH CH4

C6H6

CH3CH2OCH2CH3

25% 25%25%25%

0 of 30

1. CH3OH

2. CH4

3. C6H6

4. CH3CH2OCH2CH3


Which of the compounds below is the LEAST miscible with water?

CH3OH

CH3CH2OH

CH3CH2CH2OH

CH3CH2CH2CH2OH

25% 25%25%25%

0 of 30

1. CH3OH

2. CH3CH2OH

3. CH3CH2CH2OH

4. CH3CH2CH2CH2OH


_______ Law says that the solubility of a gas in a liquid increases as the pressure of the gas increases.

Boyle’s

Charles’s

Henry

’s

Raoult’s

25% 25%25%25%

0 of 30

1. Boyle’s

2. Charles’s

3. Henry’s

4. Raoult’s


_______ Law says that the vapor pressure of a solution is proportional to the mole fraction of the solvent.

Boyle’s

Charles’s

Henry

’s

d. Raoult’s

25% 25%25%25%

0 of 30

1. Boyle’s

2. Charles’s

3. Henry’s

4. d. Raoult’s


The molality of a solution is defined as the amount of solute (in moles) divided by the

25%

25%25%

25%

volume of ... mass of th... mass of th... total numb...0 of 30

1. volume of the solution (in liters).

2. mass of the solvent (in kilograms).

3. mass of the solution (in kilograms).

4. total number of moles.


In general, as the temperature of a solution increases, the solubility of a gaseous solute

incre

ases.

decrease

s.

remains u

nchan...

varie

s fro

m ga...

25% 25%25%25%

0 of 30

1. increases.

2. decreases.

3. remains unchanged.

4. varies from gas to gas.


What is the freezing point of a 2.00 m aqueous solution of sucrose? The value of Kf for water is 1.86 degrees C/molal.

–3.72 degrees .

..

–1.86 degrees .

..

+1.86 degrees .

..

+3.72 degrees .

..

25% 25%25%25%

0 of 30

1. –3.72 degrees C

2. –1.86 degrees C

3. +1.86 degrees C

4. +3.72 degrees C


A 0.100 molal solution of which compound below will have the lowest freezing point?

NaCl

CaCl2 KI

LiNO3

25% 25%25%25%

0 of 30

1. NaCl

2. CaCl23. KI

4. LiNO3


How did we do??

© 2012 pearson education, inc. entry task: nov 27 th block 1 sign off ch. 11-13 review ws

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