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AP Final Review

AP Final Review. Drill: Give the EC, EDD, OX #, & QN for elements: 12, 34, 41, & 67. Review Chapters 8 & 9 in the Kaplan AP CHM Book. Drill: Calculate the % composition of: CaCO 3 & H 3 PO 3. AP CHM HW. A problem is already on the Poly website.

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AP Final Review

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  1. AP Final Review

  2. Drill: Give the EC, EDD, OX #, & QN for elements:12, 34, 41, & 67

  3. Review Chapters 8 & 9 in the Kaplan AP CHM Book.

  4. Drill: Calculate the % composition of:CaCO3 & H3PO3

  5. AP CHM HW • A problem is already on the Poly website.

  6. Review Chapters 4 & 5 in the Kaplan AP CHM Book.

  7. Drill: When 17.4 g of K2SO4 was added to 250 mL of 0.50 M BaCl2, 21.0 g of solid product is formed. Calculate the molarity of Ba+2 ions in the resulting solution.

  8. Qualitative Analysis PresentationHand-Out

  9. Neuro-transmitter Presentation

  10. AP CHM HW • A problem is already on the Poly website.

  11. Drill: DHocombustion for C4H10 is -1284 kJ/mole. Calculate the heat change when 8310 mL CO2 is collected at 25oC under 89.4 kPa when burning C4H10.

  12. When 25 g of CaCO3 was formed when 750 mL of 0.50 M CaCl2 was combined with ex K2CO3. Calculate the % yield.

  13. Calculate the volume of chlorine gas collected at 27oC under 83.1 kPa when excess fluorine gas is bubbled through 250 mL of 0.50 M NaCl.

  14. AP CHM HW • A problem is already on the Poly website.

  15. Drill: Determine the chemical formula of a compound containing 28 % iron, 24 % sulfur, & 48 % oxygen.

  16. Draw ECs, EDDs, QNs, & possible ox #s for: Mg Br Mn

  17. Calculate the number of oxygen atoms in 16 g of Fe2(SO4)3

  18. Quiz Tomorrow

  19. Drill: Calculate the maximum number of sulfur dioxide molecules that could be produced through the decomposition of 16 mg of Fe2(SO4)3

  20. AP CHM HW • A problem is already on the website

  21. 7) An environmental concern is the depletion of O3 in the Earth's upper atmosphere, where O3 in normally in equilibrium with O2 & O. A proposed reaction mechanism for this depletion is in the box. Step I: O3 + Cl O2 + ClO Step II: ClO + O Cl +O2

  22. Write the balanced equation for • the overall reaction represented by steps I & II above. • b) Clearly identify the catalyst in the mechanism above. Justify your answer. • c) Clearly identify the intermediate in the mechanism above. Justify your answer.

  23. d) The rate law for the overall reaction was found to be rate = k[O3][Cl]. Determine the following: i) The overall reaction order ii) The appropriate units for the rate constant, k. iii) The rate determining step in the reaction mechanism. Justify your answer

  24. Week’s Schedule • Review & Quiz Tomorrow on Stoichiometry • Review Reactions on Wednesday • Quiz on Reactions on Thursday • AP Test on Friday

  25. Problem session Problems: 10 From the Final Review

  26. Problem session • Problems: 11 • From the Final Review

  27. Problem session • Problems: 12 • From the Final Review

  28. Problem session • Problems: 35 • From the Final Review

  29. Problem session • Problems: 40 • From the Final Review

  30. Drill: Determine the empirical formula for a compound containing: 60.0 % C, 8.00 % H, & 32.0 % O.

  31. Calculate the volume of 2.0 moles of gas under 83.1 kPa pressure at 127oC:

  32. Calculate the molecular mass of 5.0 g of gas in 831 mL under 250 kPa at 227oC

  33. Calculate the volume of NO2 produced at 27oC under 83.1 kPa when 6.4 mg N2H4 react with excess oxygen gas forming NO2 & H2O.

  34. When XS HCl is added to 10.0 g of impure CaCO3, 831 mL CO2 was collected at 27oC under 150 kPa pressure. Determine: a) balanced rxn. b) moles CaCO3 in sample. c) % CaCO3 in sample.

  35. AP Chm HW • Study for a quiz tomorrow on Gas Laws & a complete AP problem portion test on Friday

  36. Work problem

  37. Drill: When XS HI is added to 16.2 g of impure Ca(HCO3)2, 831 mL CO2 was collected at 27oC under 450 kPa pressure. Determine: a) balanced rxn. b) moles Ca(HCO3)2 in sample. c) % Ca(HCO3)2 in sample.

  38. AP CHM HW • A problem 2003.1 is on the website

  39. Drill: List & describe 4 types of intermolecular or Van der Waals forces:

  40. AP CHM HW • A problem 2003.2 is on the website

  41. Drill: Calculate the molarity, molality, & mole fraction of a 1.005 g/mL solution containing3.00 g of CH3COOH in 17.1 g of water.

  42. AP CHM HW • A problem 2003.3 is on the website

  43. Drill: A particular reaction releases 60.0 kJ of heat and gains 77.0 J/K entropy at 27oC. Calculate the value of the equilibrium constant for that reaction at 27oC.

  44. Test Tomorrow

  45. Chemical Reactions • Classify, predict, balance, & write the net ionic reaction for each of the following:

  46. Solutions of zinc(II) sulfate and sodium phosphate are mixed.

  47. Solutions of silver(I)nitrate and lithium bromide are mixed.

  48. Solid potassium is added to a solution of Copper(II)nitrate.

  49. Aqueous hydrochloric acid is added to a solution of potassium hydroxide.

  50. Aqueous Acetic acid is added to a solution of potassium hydroxide.

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