A solution is prepared by dissolving 16.2 g of benzene (C6H6) in 282 g of carbon tetrachloride (CCl4). The concentration of benzene in this solution is molal. The molar masses of C6H6 and CCl4 are 78.1 g/mol and 154 g/mol, respectively.

A) 0.102 B) 7.36 × 10- 4 C) 5.43 D) 0.736 E) 0.0543 A) 0.102 B) 7.36 × 10- 4 C) 5.43 D) 0.736 E) 0.0543

Calculate the freezing point (0°C) of a 0.05500 m aqueous solution of NaNO3. The molal freezing- point- depression constant of water is 1.86 °C/m.

A) 0.1023 B) 0.0286 C) - 0.05627 D) - 0.1023 E) - 0.2046 A) 0.1023 B) 0.0286 C) - 0.05627 D) - 0.1023 E) - 0.2046

The most likely van't Hoff factor for an 0.01 m CaI2 solution is .

A) 1.27 B) 1.00 C) 3.29 D) 2.69 E) 3.00 A) 1.27 B) 1.00 C) 3.29 D) 2.69 E) 3.00

The dissolution of water in octane (C8H18) is prevented by _ _.

A) hydrogen bonding between water molecules B) repulsion between like- charged water and octane molecules C) dipole- dipole attraction between octane molecules D) London dispersion forces between octane molecules E) ion- dipole attraction between water and octane molecules A) hydrogen bonding between water molecules B) repulsion between like- charged water and octane molecules C) dipole- dipole attraction between octane molecules D) London dispersion forces between octane molecules E) ion- dipole attraction between water and octane molecules

Exam 13: Properties of Solutions

A solution is prepared by dissolving 16.2 g of benzene (C₆H₆) in 282 g of carbon tetrachloride (CCl₄). The concentration of benzene in this solution is molal. The molar masses of C₆H₆and CCl₄are 78.1 g/mol and 154 g/mol, respectively.

(Multiple Choice)

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Question 101

Which of the following is not a colloid?

(Multiple Choice)

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Question 102

After swimming in the ocean for several hours, swimmers noticed that their fingers appeared to be very wrinkled. This is an indication that seawater is supertonic relative to the fluid in cells.

(True/False)

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Question 103

Which of the following choices has the compounds correctly arranged in order of increasing solubility in water? (least soluble to most soluble

(Multiple Choice)

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Question 104

Which of the following liquids will have the lowest freezing point?

(Multiple Choice)

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Question 105

Water (H₂O) and the alcohol methanol (CH₃OH) are infinitely soluble in each other. The primary intermolecular force responsible for this is .

(Short Answer)

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Question 106

Which of the following substances is more likely to dissolve in water?

(Multiple Choice)

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Question 107

If the partial pressure of oxygen in the air a diver breathes is too great, _.

(Multiple Choice)

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Question 108

The process of a substance sticking to the surface of another is called

(Multiple Choice)

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Question 109

George is making spaghetti for dinner. He places 4.01 kg of water in a pan and brings it to a boil. Before adding the pasta, he adds 58 g of table salt to the water and again brings it to a boil. The temperature of the salty, boiling water is °C. It is a nice day at sea level so that pressure is 1.00 atm. Assume negligible evaporation of water. K_bfor water is 0.52°C/m.

(Multiple Choice)

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Question 110

Which of the following aqueous solutions will have the highest boiling point?

(Multiple Choice)

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Question 111

Which one of the following substances is more likely to dissolve in CCl₄?

(Multiple Choice)

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Question 112

A solution contains 15 ppm of benzene. The density of the solution is 1.00 g/mL. This means that )

(Multiple Choice)

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Question 113

Calculate the freezing point (0°C) of a 0.05500 m aqueous solution of NaNO₃. The molal freezing- point- depression constant of water is 1.86 °C/m.

(Multiple Choice)

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Question 114

The Procter & Gamble Company product called olestra^TMis formed by combining a sugar molecule with .

(Multiple Choice)

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Question 115

Which component of air is the primary problem in a condition known as "the bends?"

(Multiple Choice)

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Question 116

The molarity of urea in a solution prepared by dissolving 16 g of urea (MW = 60.0 g/mol) in 39 g of H₂O is M. The density of the solution is 1.3 g/mL.

(Multiple Choice)

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Question 117

The most likely van't Hoff factor for an 0.01 m CaI₂solution is .

(Multiple Choice)

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Question 118

Calculate the freezing point (0°C) of a 0.05500 m aqueous solution of glucose. The molal freezing- point- depression constant of water is 1.86 °C/m.

(Multiple Choice)

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Question 119

The dissolution of water in octane (C₈H₁₈) is prevented by _ _.

(Multiple Choice)

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Question 120

Showing 101 - 120 of 121

Exam 13: Properties of Solutions

A solution is prepared by dissolving 16.2 g of benzene (C6H6) in 282 g of carbon tetrachloride (CCl4). The concentration of benzene in this solution is molal. The molar masses of C6H6 and CCl4 are 78.1 g/mol and 154 g/mol, respectively.

Which of the following is not a colloid?

After swimming in the ocean for several hours, swimmers noticed that their fingers appeared to be very wrinkled. This is an indication that seawater is supertonic relative to the fluid in cells.

Which of the following choices has the compounds correctly arranged in order of increasing solubility in water? (least soluble to most soluble

Which of the following liquids will have the lowest freezing point?

Water (H2O) and the alcohol methanol (CH3OH) are infinitely soluble in each other. The primary intermolecular force responsible for this is .

Which of the following substances is more likely to dissolve in water?

If the partial pressure of oxygen in the air a diver breathes is too great, _.

The process of a substance sticking to the surface of another is called

Which of the following aqueous solutions will have the highest boiling point?

Which one of the following substances is more likely to dissolve in CCl4?

A solution contains 15 ppm of benzene. The density of the solution is 1.00 g/mL. This means that )

Calculate the freezing point (0°C) of a 0.05500 m aqueous solution of NaNO3. The molal freezing- point- depression constant of water is 1.86 °C/m.

The Procter & Gamble Company product called olestraTM is formed by combining a sugar molecule with .

Which component of air is the primary problem in a condition known as "the bends?"

The molarity of urea in a solution prepared by dissolving 16 g of urea (MW = 60.0 g/mol) in 39 g of H2O is M. The density of the solution is 1.3 g/mL.

The most likely van't Hoff factor for an 0.01 m CaI2 solution is .

Calculate the freezing point (0°C) of a 0.05500 m aqueous solution of glucose. The molal freezing- point- depression constant of water is 1.86 °C/m.

The dissolution of water in octane (C8H18) is prevented by _ _.

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

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A solution is prepared by dissolving 16.2 g of benzene (C₆H₆) in 282 g of carbon tetrachloride (CCl₄). The concentration of benzene in this solution is molal. The molar masses of C₆H₆and CCl₄are 78.1 g/mol and 154 g/mol, respectively.

Water (H₂O) and the alcohol methanol (CH₃OH) are infinitely soluble in each other. The primary intermolecular force responsible for this is .

Which one of the following substances is more likely to dissolve in CCl₄?

Calculate the freezing point (0°C) of a 0.05500 m aqueous solution of NaNO₃. The molal freezing- point- depression constant of water is 1.86 °C/m.

The Procter & Gamble Company product called olestra^TMis formed by combining a sugar molecule with .

The molarity of urea in a solution prepared by dissolving 16 g of urea (MW = 60.0 g/mol) in 39 g of H₂O is M. The density of the solution is 1.3 g/mL.

The most likely van't Hoff factor for an 0.01 m CaI₂solution is .

The dissolution of water in octane (C₈H₁₈) is prevented by _ _.