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CHM 101- CHPT 8 Study Questions

1. O-H bond in water is polar because……………

2. In liquids, the strength of the intermolecular interaction is considered ……….

3. In solution, the solvent can be ……………………….

4. A solution is prepared by dissolving 2 g of KCl in 100 g of H2O. In this solution, H2O is the …………………….

5. Oil does not dissolve in water because oil is ………………

6. What is the concentration, in m/v %, of a solution prepared from 50. g NaCl and 2.5 L of water?.

7. In water, a substance that ionizes completely in solution is called a …………… electrolyte

8. An equivalent is ………………………..

9. How many equivalents are present in 5.0 g of Al3+?.

10. An intravenous replacement solution contains 4.0 mEq/L of Ca2+ ions. How many grams of Ca2+ ions are in 3.0 L of the solution?.

11. When some of the sugar added to an iced tea remains undissolved at the bottom of the glass, the solution is referred to as a …………..

12. The solubility of KI is 50 g in 100 g of H2O at 20 oC. If 110 grams of KI are added to 200 g of H2O, how will you describe the solution?.

13. When solutions of KCl and Pd(NO3)2 are mixed, a precipitate forms. Write a balanced equation for the double replacement reaction that occurs.

14. The mass/mass percent concentration refers to ………………………

15. The mass/volume percent concentration refers to …………………….

16. What is the concentration, in m/m %, of solution prepared from 50.0 g of NaCl and 150 g of water?.

17. Rubbing alcohol is 70.% isopropyl alcohol by volume. How many mL of isopropyl alcohol are in a 1 pint (473 mL) container.

18. A patient needs to receive 85 grams of glucose every 12 hours. What volume of a 5.0 % (m/v) glucose solution needs to be administered to the patient each 12 hours?.

19. A(n) ………….. is a type of colloid in which a liquid is dispersed in another liquid or a solid.

20. A homogeneous mixture that does not settle out upon standing is ………………..

21. In the process known as osmosis, ……………… moves through a semi permeable membrane into an area of …………….. concentrations.

22. A solution with the same osmotic pressure as blood is ………………. to the blood.

23. A solution that has an osmotic pressure less than that of red blood cells is called …………………….

24. A red blood cell will undergo crenation in …………………..

25. Which solution is isotonic to a red blood cell?.

26. A red blood cell will undergo hemolysis in ……………………………….

27. The process by which a semipermeable membrane allows water molecules, small molecules and ions to pass through while retaining large particles is called ………………

28. What is the molarity of a solution that contains 17 g of NH3 in 0.50 L of solution?. (N = 14, H = 1).

29. What volume of a 1.5 M KOH solution is needed to provide 3.0 moles of KOH?.

30. According to Henry’s law, the solubility of a gas in a liquid ………………….. ……………………………………………

CHM 101- CHPT 7 Study Questions

1. According to the kinetic theory of gases, a gas can be compressed much more than a liquid or solid because……………………

2. The force of gas particle against the walls of a container is called ………………

3. A 5.00 L tank contains helium gas at 1.50 atm. What is the pressure of the gas?.

4. The boiling point of water et sea level is 100 oC. At higher altitudes, the boiling point of water will be ………….. than 100 oC.

5. The volume of a gas with a pressure of 1.2 atm increases from 1.0 L to 4.0 L. What is the final pressure of the gas, assuming at constant temperature.

6. Complete the following statement: In Charles’s Law, the volume of a gas …………….. when the ……………… decreases.

7. The volume of a sample of gas, initially at 25 oC increases fro 158 mL to 450 mL. What is the final temperature of the sample of gas, if the pressure in...
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