Question 1

Which of the following is not soluble in water?

Accepted Answer

A)  Vitamin C
B)  NaCl
C)  CH3CH2OH
D)  NH3
E)  Vitamin EF) C) and E)
G) B) and C)

Question 2

What states that the solubility of a gas in a liquid is proportional to the pressure of the gas over the solution?

Accepted Answer

A)  Entropy
B)  Henry's law
C)  Dissolution
D)  Vapor pressure
E)  Enthalpy of salvationF) D) and E)
G) A) and B)

Question 3

Calculate the percent by mass of potassium nitrate in a solution made from 45.0 g KNO3 and 295 mL of water at 25ºC.At this temperature,the density of water is 0.997g/mL.

Accepted Answer

A)  1.51%
B)  7.57%
C)  13.3%
D)  15.2%
E)  86.7%F) A) and B)
G) A) and E)

Question 4

The solubility of gases in water always decreases with increasing temperature.

Accepted Answer

A) True 
 B)False

Question 5

A 0.100 m MgSO4 solution has a freezing point of -0.23°C.What is the van't Hoff factor for this solution? (Kf = 1.86°C/m)

Accepted Answer

A)  0.62
B)  1.0
C)  1.2
D)  2.0
E)  4.0F) All of the above
G) B) and C)

Question 6

What volume of a 2.75 M solution of NaOH is required to make 500.0 mL of a 1.27 M solution of NaOH?

Accepted Answer

A)  231 mL
B)  1.72 L
C)  1.10 L
D)  440 mL
E)  909 mLF) A) and C)
G) A) and B)

Question 7

Carbon tetrachloride,once widely used in fire extinguishers and as a dry cleaning fluid,has been found to cause liver damage to those exposed to its vapors over long periods of time.What is the boiling point of a solution prepared by dissolving 375 g of sulfur (S8,256.5 g/mol) in 1250 g of CCl4? (For CCl4,Kb = 5.05°C/m; boiling point of pure CCl4 = 76.7°C)

Accepted Answer

A)  70.8°C
B)  75.2°C
C)  78.2°C
D)  82.6°C
E)  85.7°CF) B) and D)
G) B) and E)

Question 8

Which of the following aqueous solutions should demonstrate the most nonideal behavior?

Accepted Answer

A)  0.1 M NaI
B)  0.2 M CuSO4
C)  0.5 M KBr
D)  2.0 M CuCl2
E)  2.5 M CsClF) C) and E)
G) A) and E)

Question 9

What is the name given to the process when solvent molecules surround the solute molecules?

Accepted Answer

A)  Unsaturated
B)  Solution
C)  Oversaturated
D)  Saturated
E)  SolvationF) All of the above
G) A) and D)

Question 10

What volume of ethanol (density = 0.7893 g/cm3) should be added to 450.mL of water in order to have a solution that freezes at -15.0°C? Assume the density of water is 1.0g/mL.(For water,Kf = 1.86 °C/m.)

Accepted Answer

A)  371 mL
B)  470 mL
C)  212 mL
D)  132 mL
E)  167 mLF) B) and E)
G) C) and E)

Question 11

______________ ______________ is the percentage of dissolved molecules that separate into ions in solution.

Accepted Answer

Percent di...

Question 12

Below is a representation of a sealed chamber containing pure liquid water in equilibrium with water vapor.The circles represent water vapor.  If a nonvolatile solute is added to the water,which best represents the new system at equilibrium?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and B)
G) C) and D)

Question 13

What is the name for a solute that does not exert a vapor pressure when it is dissolved in a liquid?

Accepted Answer

A)  Colloid
B)  Amorphous solid
C)  Nonvolatile
D)  Crystalline solid
E)  ElectrolyteF) B) and D)
G) C) and E)

Question 14

Explain the following,on the basis of osmosis or osmotic pressure: In trees and plants,water is drawn from the soil up into the branches and leaves.

Accepted Answer

The water passes into the cell...

Question 15

When two pure substances are mixed to form a solution

Accepted Answer

A)  heat is released.
B)  heat is absorbed.
C)  there is an increase in entropy.
D)  there is a decrease in entropy.
E)  entropy is conserved.F) A) and E)
G) D) and E)

Question 16

___________ _________ are properties that depend on the number of particles dissolved.

Accepted Answer

Colligativ...

Question 17

What mass of LiOH is required to prepare 0.250 L of a 3.55 M solution?

Accepted Answer

A)  0.0371 g
B)  0.888 g
C)  21.3 g
D)  250.g
E)  340.gF) A) and D)
G) A) and C)

Question 18

Which compound is the most soluble in water?

Accepted Answer

A)  CH3CH2CH2CH2CH2OH
B)  CH3CH2CH2CH2OH
C)  CH3CH2CH2CH2CH2CH2CH2OH
D)  CH3CH2CH2OH
E)  All of these compounds are equally soluble in water.F) B) and D)
G) A) and E)

Question 19

Colloidal particles may be solids,liquids,or gases.

Accepted Answer

A) True 
 B)False

Question 20

What is the quantitative relationship between gas solubility and pressure?

Accepted Answer

A)  Entropy
B)  Henry's law
C)  Enthalpy
D)  Boyle's law
E)  Avogadro's lawF) B) and C)
G) A) and C)

Exam 13: Physical Properties of Solutions

Correct Answer
verified

What is the name given to the process when solvent molecules surround the solute molecules?

Correct Answer
verified

___ _ are properties that depend on the number of particles dissolved.

Correct Answer
verified
Colligativ...
View Answer

Which of the following aqueous solutions should demonstrate the most nonideal behavior?

Correct Answer
verified

Calculate the percent by mass of potassium nitrate in a solution made from 45.0 g KNO₃ and 295 mL of water at 25ºC.At this temperature,the density of water is 0.997g/mL.

Correct Answer
verified

Below is a representation of a sealed chamber containing pure liquid water in equilibrium with water vapor.The circles represent water vapor. If a nonvolatile solute is added to the water,which best represents the new system at equilibrium?

Correct Answer
verified

What volume of ethanol (density = 0.7893 g/cm³) should be added to 450.mL of water in order to have a solution that freezes at -15.0°C? Assume the density of water is 1.0g/mL.(For water,K_f = 1.86 °C/m.)

Correct Answer
verified

Which of the following is not soluble in water?

Correct Answer
verified

What mass of LiOH is required to prepare 0.250 L of a 3.55 M solution?

Correct Answer
verified

What states that the solubility of a gas in a liquid is proportional to the pressure of the gas over the solution?

Correct Answer
verified

is the percentage of dissolved molecules that separate into ions in solution.

Correct Answer
verified
Percent di...
View Answer

When two pure substances are mixed to form a solution

Correct Answer
verified

What is the name for a solute that does not exert a vapor pressure when it is dissolved in a liquid?

Correct Answer
verified

What is the quantitative relationship between gas solubility and pressure?

Correct Answer
verified

A 0.100 m MgSO₄ solution has a freezing point of -0.23°C.What is the van't Hoff factor for this solution? (K_f = 1.86°C/m)

Correct Answer
verified

Colloidal particles may be solids,liquids,or gases.

Correct Answer
verified

The solubility of gases in water always decreases with increasing temperature.

Correct Answer
verified

Which compound is the most soluble in water?

Correct Answer
verified

What volume of a 2.75 M solution of NaOH is required to make 500.0 mL of a 1.27 M solution of NaOH?

Correct Answer
verified

Explain the following,on the basis of osmosis or osmotic pressure: In trees and plants,water is drawn from the soil up into the branches and leaves.

Correct Answer
verified
The water passes into the cell...
View Answer

Exam 13: Physical Properties of Solutions

Correct AnswerverifiedShow Answer

What is the name given to the process when solvent molecules surround the solute molecules?

Correct AnswerverifiedShow Answer

___________ _________ are properties that depend on the number of particles dissolved.

Correct AnswerverifiedColligativ...View AnswerShow Answer

Which of the following aqueous solutions should demonstrate the most nonideal behavior?

Correct AnswerverifiedShow Answer

Calculate the percent by mass of potassium nitrate in a solution made from 45.0 g KNO3 and 295 mL of water at 25ºC.At this temperature,the density of water is 0.997g/mL.

Correct AnswerverifiedShow Answer

Below is a representation of a sealed chamber containing pure liquid water in equilibrium with water vapor.The circles represent water vapor. If a nonvolatile solute is added to the water,which best represents the new system at equilibrium?

Correct AnswerverifiedShow Answer

What volume of ethanol (density = 0.7893 g/cm3) should be added to 450.mL of water in order to have a solution that freezes at -15.0°C? Assume the density of water is 1.0g/mL.(For water,Kf = 1.86 °C/m.)

Correct AnswerverifiedShow Answer

Which of the following is not soluble in water?

Correct AnswerverifiedShow Answer

What mass of LiOH is required to prepare 0.250 L of a 3.55 M solution?

Correct AnswerverifiedShow Answer

What states that the solubility of a gas in a liquid is proportional to the pressure of the gas over the solution?

Correct AnswerverifiedShow Answer

______________ ______________ is the percentage of dissolved molecules that separate into ions in solution.

Correct AnswerverifiedPercent di...View AnswerShow Answer

When two pure substances are mixed to form a solution

Correct AnswerverifiedShow Answer

What is the name for a solute that does not exert a vapor pressure when it is dissolved in a liquid?

Correct AnswerverifiedShow Answer

What is the quantitative relationship between gas solubility and pressure?

Correct AnswerverifiedShow Answer

A 0.100 m MgSO4 solution has a freezing point of -0.23°C.What is the van't Hoff factor for this solution? (Kf = 1.86°C/m)

Correct AnswerverifiedShow Answer

Colloidal particles may be solids,liquids,or gases.

Correct AnswerverifiedShow Answer

The solubility of gases in water always decreases with increasing temperature.

Correct AnswerverifiedShow Answer

Which compound is the most soluble in water?

Correct AnswerverifiedShow Answer

What volume of a 2.75 M solution of NaOH is required to make 500.0 mL of a 1.27 M solution of NaOH?

Correct AnswerverifiedShow Answer

Explain the following,on the basis of osmosis or osmotic pressure: In trees and plants,water is drawn from the soil up into the branches and leaves.

Correct AnswerverifiedThe water passes into the cell...View AnswerShow Answer

Correct Answer
verified

Correct Answer
verified

___ _ are properties that depend on the number of particles dissolved.

Correct Answer
verified
Colligativ...
View Answer

Correct Answer
verified

Calculate the percent by mass of potassium nitrate in a solution made from 45.0 g KNO₃ and 295 mL of water at 25ºC.At this temperature,the density of water is 0.997g/mL.

Correct Answer
verified

Correct Answer
verified

What volume of ethanol (density = 0.7893 g/cm³) should be added to 450.mL of water in order to have a solution that freezes at -15.0°C? Assume the density of water is 1.0g/mL.(For water,K_f = 1.86 °C/m.)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

is the percentage of dissolved molecules that separate into ions in solution.

Correct Answer
verified
Percent di...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

A 0.100 m MgSO₄ solution has a freezing point of -0.23°C.What is the van't Hoff factor for this solution? (K_f = 1.86°C/m)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The water passes into the cell...
View Answer