Date: 4-8-13 Day Plan: 1) Review Time 2) Game 3) Homework Due Tomorrow

1. Date: 4-8-13 Day Plan: 1) Review Time 2) Game 3) Homework Due Tomorrow Opener: A B C D

2. 3 types of math problems - Show all work on your white board • What is the mass of Zinc Chloride produced when 10.0 mol of Zn is added to excess hydrochloric? Use the following balanced acid equations • Zn(s) + 2HCl (aq)  ZnCl2 (aq) + H2 (g) • 2) A solution is prepared by mixing 3.0 g of ethanol, C2H5OH with 34.0 g of water. Calculate the mass percent of ethanol in this solution. • 3) What is the volume of a NaOH solution that contains 80g of NaOH and has a molarity of 2.0M.

3. WHO WANTS TO Chemist

4. MILLIONAIRE SCOREBOARD $16,000 $1 MILLION $8,000 $4,000 $500,000 $2,000 $250,000 $1,000 $125,000 $500 $64,000 $300 $32,000 $200 Click the $ for questions $100

5. The molar mass of CO2 is 44 g/mol. How many grams of CO2 are present in 10.00 moles? • A:440 g • B: 22 g • C:28 g • D:88 g Click on the letter of the correct answer $100 Question

6. INCORRECT! TRY AGAIN!

7. Correct! SCORE $100 Click on the money bag to return to the scoreboard

8. Sugar in Water is an example of which Solute- Solvent Combination? • A:Liquid-Liquid • B:Solid-Liquid • C:Gas - Liquid • D:Liquid-Solid Click on the letter of the correct answer $200 Question

9. INCORRECT! TRY AGAIN!

10. Correct! SCORE $200 Click on the money bag to return to the scoreboard

11. In the reaction Ca+ Cl2 CaCl2, what is the mole ratio of chlorine to calcium chloride? • A:1:2 • B:2:2 • C: 1:1 • D:2:3 Click on the letter of the correct answer $300 Question

12. INCORRECT! TRY AGAIN!

13. Correct! SCORE $300 Click on the money bag to return to the scoreboard

14. Which of the following expresses concentrations? • A:Molality • B:Molarity • C:% composition by mass • D:All of the above Click on the letter of the correct answer $500 Question

15. INCORRECT! TRY AGAIN!

16. Correct! SCORE $500 Click on the money bag to return to the scoreboard

17. $1000 Question • A:Iron • B:Hydrogen chloride • C:Liquid Hydrogen • D:Sugar Which of the following is a molecular substance whose water solution conducts electricity? Click on the letter of the correct answer $1,000 Question

18. INCORRECT! TRY AGAIN!

19. Correct! SCORE $1,000 Click on the money bag to return to the scoreboard

20. $2000 Question • A:Solubility • B:Phase changes • C:Reactivity • D:Equilibrium The Rule that a solute will likely dissolve is used to predict Click on the letter of the correct answer $2,000 Question

21. INCORRECT! TRY AGAIN!

22. Correct! SCORE $2,000 Click on the money bag to return to the scoreboard

23. $4000 Question • A:MgBrCl • B:MgCl and Br2 • C:Mg and BrCl • D:Mg (Cl)2 and Br 2 Magnesium Bromide + Chlorine Yield Click on the letter of the correct answer $4,000 Question

24. INCORRECT! TRY AGAIN!

25. Correct! SCORE $4,000 Click on the money bag to return to the scoreboard

26. The Large “M” after a specific quatnity is the unit representation for which variable? $8000 Question • A: Molarity • B:Mass • C:Moles • D:Metric Click on the letter of the correct answer $8,000 Question

27. INCORRECT! TRY AGAIN!

28. Correct! SCORE $8,000 Click on the money bag to return to the scoreboard

29. $16000 Question • A:2.14 M • B:8.56 M • C:0.535 M • D:31.3 M What is the morality of a solution that contains 125 g NaCl in 4.00 L solution? Click on the letter of the correct answer $16,000 Question

30. INCORRECT! TRY AGAIN!

31. Correct! SCORE $16,000 Click on the money bag to return to the scoreboard

32. $32000 Question • A: Sodium and Chloride Oxide • B:Sodium Hydroxide and water • C: Sodium Oxide and Chloride • D:Sodium Chloride and Oxygen When sodium chlorate (NaClO3) decomposes, the products are Click on the letter of the correct answer $32,000 Question

33. INCORRECT! TRY AGAIN!

34. Correct! SCORE $32,000 Click on the money bag to return to the scoreboard

35. $64000 Question • A:Potassium Nitrate • B:benzene • C:Carbon tetrachloride • D:Silver Which of the following is soluble in water? Click on the letter of the correct answer $64,000 Question

36. INCORRECT! TRY AGAIN!

37. Correct! SCORE $64,000 Click on the money bag to return to the scoreboard

38. A:9% • B:170% • C: 16.7 % • D: 90 % A Solution is prepared by mixing 10.00 g of ethanol, C2H5OH, with 50 g of water. Calculate the mass percentage of ethanol in this solution? $125000 Question Click on the letter of the correct answer $125,000 Question

39. INCORRECT! TRY AGAIN!

40. Correct! SCORE $125,000 Click on the money bag to return to the scoreboard

41. $250000 Question • A:Ba +2 + Cl -1 + K +1 Cr2O4-2  BaCr2O4 • B:Ba+ Cr2O4 BaCr2O4 • C: Ba +2 + Cl -1 + K +1 Cr2O4-2  BaCr2O4 + KCl • D:Ba +2 + Cr2O4-2  BaCr2O4 When Barium Chloride reacts with potassium Chromate a precipitate is formed. The net ionic equation for the precipitate could look like Click on the letter of the correct answer $250,000 Question

42. INCORRECT! TRY AGAIN!

43. Correct! SCORE $250,000 Click on the money bag to return to the scoreboard

44. $500000 Question • A: .47 mol • B:.35 mol • C:.23 mol • D:.28 mol How many moles of HCl are present in 0.7 L of a .5 M HCl Solution? Click on the letter of the correct answer $500,000 Question

45. INCORRECT! TRY AGAIN!

46. Correct! SCORE $500,000 Click on the money bag to return to the scoreboard

47. $1 Million Question • A:Fe(NO)3 and KCl • B:Na2SO4 and KCl • C:KOH and NH4Cl • D:AgNO3 and NH4Cl Which of the following pairs of solutions produce a precipitate when combined? Use the solubility chart Click on the letter of the correct answer $1,000,000 Question

48. INCORRECT! TRY AGAIN!

49. Correct! SCORE $1 MILION