Chemistry, The Central Science , 11th edition Brown & LeMay

1. Chemistry, The Central Science, 11th editionBrown & LeMay Chapter 13 Properties of Solutions

2. The “like dissolves like” rule states that substances with similar __________ will dissolve in each other. • molecular weights • molecular shapes • intermolecular attractive forces • densities

3. The “like dissolves like” rule states that substances with similar __________ will dissolve in each other. • molecular weights • molecular shapes • intermolecular attractive forces • densities

4. Which substance below is miscible with water? • CH3OH • CH4 • C6H6 • CH3CH2OCH2CH3

5. Which substance below is miscible with water? • CH3OH • CH4 • C6H6 • CH3CH2OCH2CH3

6. __________ Law states that the solubility of a gas in a liquid increases as the pressure of the gas above the liquid increases. • Boyle’s • Charles’ • Henry’s • Raoult’s

7. __________ Law states that the solubility of a gas in a liquid increases as the pressure of the gas above the liquid increases. • Boyle’s • Charles’ • Henry’s • Raoult’s

8. The molality of a solution is found by dividing the amount of solute in moles by the: • volume of the solution in liters. • mass of the solvent in kilograms. • mass of the solution in kilograms. • total number of moles.

9. The molality of a solution is found by dividing the amount of solute in moles by the: • volume of the solution in liters. • mass of the solvent in kilograms. • mass of the solution in kilograms. • total number of moles.

10. __________ Law states that the vapor pressure of a solution is directly proportional to the mole fraction of solvent present. • Boyle’s • Charles’ • Henry’s • Raoult’s

11. __________ Law states that the vapor pressure of a solution is directly proportional to the mole fraction of solvent present. • Boyle’s • Charles’ • Henry’s • Raoult’s

12. Which aqueous solution should have the lowest freezing point? • 0.100 m NaCl • 0.100 m CaCl2 • 0.100 m KI • 0.100 m LiNO3

13. Which aqueous solution should have the lowest freezing point? • 0.100 m NaCl • 0.100 m CaCl2 • 0.100 m KI • 0.100 m LiNO3

14. Isotonic solutions have the same: • density. • volume. • vapor pressure. • osmotic pressure.

15. Isotonic solutions have the same: • density. • volume. • vapor pressure. • osmotic pressure.

16. A solution contains 0.02755 g of a protein in 25.0 mL of solution. The osmotic pressure is 3.22 torr at 298 K. What is the molecular weight of the protein? • 254 g/mole • 6360 g/mole • 159,000 g/mole • 2,340,000 g/mole

17. A solution contains 0.02755 g of a protein in 25.0 mL of solution. The osmotic pressure is 3.22 torr at 298 K. What is the molecular weight of the protein? • 254 g/mole • 6360 g/mole • 159,000 g/mole • 2,340,000 g/mole

18. Which of these is NOT a colloid? • butter • smoke • whipped cream • salt water

19. Which of these is NOT a colloid? • butter • smoke • whipped cream • salt water

20. The scattering of light by colloidally dispersed particles is known as the __________ effect. • Tyndall • Raoult • Hall • Meissner

21. The scattering of light by colloidally dispersed particles is known as the __________ effect. • Tyndall • Raoult • Hall • Meissner