GenChemII-4th Quarter Examination

What type of solution contains the maximum amount of dissolved solute?

• Supersaturated solution

• Saturated solution

• Unsaturated solution

• Concentrated solution

Which factor generally increases the solubility of solids in liquids?

• Molecular structure

• Volume

• Pressure

• Temperature

What does Henry's Law state?

• Solubility is independent of pressure

• Solubility is proportional to temperature

• Solubility is inversely proportional to pressure

• Solubility is directly proportional to pressure

What is the phase change from solid to liquid called?

• Sublimation

• Condensation

• Melting

• Freezing

What is the triple point on a phase diagram?

• Where gas and liquid coexist

• Where all three phases coexist

• Where solid and liquid coexist

• Where solid and gas coexist

What happens to a supersaturated solution when disturbed?

• It becomes unsaturated

• It remains unchanged

• It crystallizes

• It evaporates

What is the molarity formula?

• M = liters of solution / moles of solute

• M = moles of solute / kilograms of solvent

• M = grams of solute / liters of solution

• M = moles of solute / liters of solution

What is the molality formula?

• m = moles of solute / kilograms of solvent

• m = grams of solute / kilograms of solvent

• m = moles of solute / liters of solution

• m = grams of solute / liters of solution

What is the molality of a solution with 15 g of KNO₃ in 200 g of water?

• 0.200 m

• 0.148 m

• 0.300 m

• 0.74 m

What is the phase change from gas to solid called?

• Sublimation

• Deposition

• Vaporization

• Condensation