An equivalent way of stating the Henry's law is that the ____________ of a gas in a liquid is directly proportional to the partial pressure of the gas above the liquid

• A) molar concentration
• B) pressure
• C) partial pressure
• D) solubility

A sterilized specific concentration (0.15 molar) of sodium chloride in water is called _____?

• A) saline
• B) syrup
• C) brine
• D) none of these

What happens to electrolyte solutions when they dissociate in water?

• A) They break into ions
• B) They precipitate
• C) They become gases
• D) They form covalent bonds

The osmotic pressure of a solution is proportional to the molar concentration of the _____________ in solution.

• A) solute
• B) solute & solvent both
• C) none of these
• D) solvent

What would a positive enthalpy of solution indicate?

• A) Heat absorbed when a solution is formed
• B) A change in the solubility of the solute
• C) No change in heat during solution formation
• D) Heat released when a solution is formed

Positive non-ideal behavior of the vapor pressure of a solution follows Henry's Law at __________ concentrations.

• A) constant
• B) equilibrium
• C) high
• D) low

What is osmotic pressure?

• A) Total pressure of a solution
• B) Pressure exerted by solute particles in a solution
• C) Pressure exerted by the solvent in a solution
• D) Pressure exerted by the container walls

Almost all simple ionic compounds with Group I elements or ammonium ion, (NH4)+, are ________?

• A) slightly soluble
• B) Soluble
• C) Insoluble
• D) sparingly soluble

A solution of water and sugar is called __________?

• A) syrup
• B) brine
• C) none of these
• D) saline

What happens when an ionic compound dissolves in water?

• A) Covalent bonds break
• B) Ions combine to form molecules
• C) The compound remains unchanged
• D) Ionic bonds break, and ions are dispersed in water

For an ionic compound to form a solution, the ion-dipole forces between water and ionic compound must be __________ than the interionic bonds.

• A) none of these
• B) balanced
• C) smaller
• D) greater

The ________ of a solution is used to represent the amount of moles of solute per kilogram of the solvent

• A) none of these
• B) molarity
• C) molality
• D) normality

What is the definition of an electrolyte?

• A) A substance that conducts electricity in solution
• B) A substance that is insoluble in water
• C) A substance that conducts electricity in molten state
• D) A substance that does not conduct electricity

What is the driving force behind osmosis?

• A) Solvent molecules
• B) Solute molecules
• C) Colligative properties
• D) Temperature

What is the relationship between the boiling point of a solution and the boiling point of the pure solvent in the context of Boiling Point Elevation?

• A) Boiling point of the solution is lower
• B) Relationship depends on the solute
• C) Both have the same boiling point
• D) Boiling point of the solution is higher

How does the use of a semipermeable membrane affect osmotic pressure?

• A) It decreases osmotic pressure
• B) It increases osmotic pressure
• C) It has no effect on osmotic pressure
• D) It depends on the type of solute

Foams are liquids or solids with a gas dispersed into them.

• A) Gas
• B) Liquid
• C) Solid
• D) none of these