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Jeopardy Soln ProcessSat’d solnsConcentrationColligative Pr Colloids Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy.

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Presentation on theme: "Jeopardy Soln ProcessSat’d solnsConcentrationColligative Pr Colloids Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy."— Presentation transcript:

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2 Jeopardy Soln ProcessSat’d solnsConcentrationColligative Pr Colloids Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy

3 $100 Question from H1 What is the principle type of Solute-solvent interaction for: KBr in water?

4 $100 Answer from H1 Ion-dipole

5 $200 Question from H1 When ammonium chloride Dissolves in water, the solution Becomes colder. Is the solution Process exothermic or endothermic?

6 $200 Answer from H1 endothermic

7 $300 Question from H1 The enthalpy of solution of KBr In water is +198 kJ/mol. Nevertheless, the solubility of KBr Is relatively high. Why?

8 $300 Answer from H1 Entropy

9 $400 Question from H1 Indicate the type of solute-solvent Interaction for methanol in water

10 $400 Answer from H1 Hydrogen bonding or You could have said dipole-dipole

11 $500 Question from H1 Rank the solutions from weakest To strongest solute-solvent Interactions (a)KCl in water (b) CH2Cl2 in benzene (c) HCl in acetonitrile

12 $500 Answer from H1 A > C > B

13 $100 Question from H2 Water and glycerol CH2(OH)CH(OH)CH2(OH) are miscible in all proportions. What does this Mean? Explain why?

14 $100 Answer from H2 They mix in all proportions without Forming a precipitate. Reason is due to hydrogen bonding Or strong dipole-dipole interactions

15 $200 Question from H2 Would you expect steric acid CH3(CH2)16COOH to be more soluble In water or in carbon tetrachloride?

16 $200 Answer from H2 Carbon tetrachloride Reason is due to weak dipole- Weak dipole interactions

17 $300 Question from H2 Would you expect alanine (an amino Acid) to be more soluble in water Or in hexane?

18 $300 Answer from H2 water

19 $400 Question from H2 Common laboratory solvents include Acetone (CH3COCH3), methanol CH3OH, toluene (C6H5CH3) and Water. Which of these is the best Solvent for non-polar solutes.

20 $400 Answer from H2 toluene

21 $500 Question from H2 The solubility of MnSO4 * H2O In water at 20oC is 70 g per 100 mL Of water. Is 1.22 M solution of MnSO4*H2O In water at 20oC, saturated, super-sat Or unsaturated?

22 $500 Answer from H2 B > A > C

23 $100 Question from H3 The following equation refers to Which law? Sg = kPg

24 $100 Answer from H3 Henry’s law

25 $200 Question from H3 In Raolt’s law, the Xa refers to: (a)Mol fraction of solute (b) Mol fraction of solvent

26 $200 Answer from H3 B

27 $300 Question from H3 Molalilty is defined by: (a)Liters of solution (b) Kilograms of solvent (c ) grams of solvent

28 $300 Answer from H3 B

29 $400 Question from H3 A freezing point depression can Be calculated using (a)Molality (b) Molarity (c ) grams per liter

30 $400 Answer from H3 A

31 $500 Question from H3 Which of the following pair is more Likely to be soluble in hexane C6H14? (a)Benzene C6H6 (b) Glycerol CH(OH)CH(OH)CH2OH

32 $500 Answer from H3 A: Benzene

33 $100 Question from H4 How does increasing the Concentration of a non-volatile Solute in water affect the following Properties? (a)Vapor pressure (b) Freezing point

34 $100 Answer from H4 (a)Decreases (b) Depresses freezing point

35 $200 Question from H4 Consider two solutions, one formed By adding 10 g of glucose (C6H12O6) To 1 L of water and the other formed By adding 10 g of sucrose (C12H22O11) To 1 L water. Are the vapor pressures Over the two solutions the same?

36 $200 Answer from H4 No. Would have a different mol Value and therefore a different Molality affecting Fp and Bp.

37 $300 Question from H4 Why does a 0.10 m aqueous solution Of NaCl have a higher boiling point Than a 0.10 m aqueous solution of C6H12O6?

38 $300 Answer from H4 NaCl actually has 2 moles of ions Per mole of NaCl

39 $400 Question from H4 Arrange the following aqueous Solutions, each with 10% by mass of Solute, in order of increasing Bp. (a)Glucose (b) Sucrose (c ) sodium nitrate

40 $400 Answer from H4 C > A > B

41 $500 Question from H4 List the following aqueous solutions In order of decreasing Fp. (a)0.040 m glycerin (C3H8O3) (b) 0.020 m KBr (c ) 0.030 m phenol (C6H5OH)

42 $500 Answer from H4 B > A > C

43 $100 Question from H5 This phenomenon creates shafts of Light in rain forests and in certain Heterogeneous mixtures.

44 $100 Answer from H5 The Tyndall effect

45 $200 Question from H5 Which of the following is not a Colloid? (a)Smoke (b) Fog ( c) Kool-Aid drink

46 $200 Answer from H5 C

47 $300 Question from H5 Butter is an example of what type Of colloid? (a)Foam (b) Solid foam (c ) solid emulsion (d) aerosol

48 $300 Answer from H5 Solid emulsion

49 $400 Question from H5 Name the two type of colloidal Suspensions.

50 $400 Answer from H5 Hydrophilic and hydrophobic

51 $500 Question from H5 If absorption means to pass into The interior, adsorption means to___

52 $500 Answer from H5 Adhere to the surface

53 Final Jeopardy This author wrote, “If one man kills another, it murder, but if a hundred thousand men kill another hundred thousand, it is considered an act of glory!?”

54 Final Jeopardy Answer Who is Tolstoy? (The book is Kingdom of God)


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