Assignments for AP chemistry B 2013-4
11/18: We went over acids and bases in chapter 4.
The homework is on p. 182 #’s 50, 54, 69, 70, and 71. Also, complete the course description.
11/19: We did the acid-base titration lab. The write up is due Thursday, 11/21. For the
calculations, find the molarity of NaOH for each trial, and the average molarity.
These are the conclusion questions:
1] A] How reproducible were the results of your two trials? (by what percent different were the
volumes used for your two trials) B] How did your results compare with those of your partner?
(by what percent were your two averaged volumes used differ from your partners two averaged
volume used)
2] Define: A] standard solution B] titration
gravimetric analysis
C] endpoint D] volumetric analysis E]
3] If 30.0 mL of 0.500 M KOH are needed to neutralize 10.0 mL of HCl of unknown
concentration, what is the molarity of the HCl?
4] How many mL of 0.100 M NaOH are needed to titrate 20.0 mL of 0.100 M H2SO4?
11/20: We went over acid-base titration problems and oxidation and reduction. The homework is
to complete the lab write up.
11/21: We did the molar mass of an unknown acid titration lab. The write up is due Monday,
11/25.
11/22: We went over balancing redox equations in acid. STUDY!! The lab write up for the molar
mass of an unknown acid is due Monday, 11/25.
11/25: We went over balancing redox equations in base.
The homework is on p. 182 #’s 55, 57, 60, 61, 63 B, C, D.
11/26: We went over balancing redox equations in base and molecular redox equations.
The homework is on p. 182 #’s 56, 58, 62, 63E, 64B, 65A, 66C, 73.
12/2: We went over molecular redox. I handed out the review worksheet on chapter four. There
will be an exam on chapter four this Wednesday, 12/4! Study! Complete the review worksheet. It
is available on my website.
12/3: We reviewed the problems from the 12/2 review worksheet. The test is tomorrow!!
STUDY!!
12/4: We took the first exam. I just posted the results on my website. Download and print up the
chapter 5 notes.
12/5: We went over gas pressure and the procedures for tomorrow’s lab. Study!!
12/6: We did the formula for a hydrate lab. The write up is due Monday, 12/9.
12/9: We went over the gas laws. STUDY!!!
12/10: We saw a demonstration of Avogadro’s Law using the electrolysis apparatus. We saw
how to do tomorrow’s lab on the molar volume of a gas.
The homework is on p. 232 #’s 23-27, 30-32, 38, 43.
12/11: We did the molar volume of a gas lab. The write up is due Monday, 12/16.
12/12: I had to attend a conference. The substitute handed out a worksheet that students were to
work on in class. The worksheet is available on my website.
12/13: We went over the molar volume lab and more notes on gases. The lab write up is due
Monday, 12/16.
12/16: We went over gas stoichiometry problems.
The homework is on p. 232 #’s 28, 29, 41, 47, 48, 49.
12/17: We went over more gas stoichiometry problems.
The homework is on p. 233 #’s 35, 36, 39, 40, 44, 50, 52, 60, 65.
12/18: We did the mass-volume lab. The write up is due tomorrow.
12/19: We went over the kinetic theory of gases.
The homework is on p. 234 #’s 57, 62, 63, 64, 69, 93, 94.
12/20: We went over ideal versus real gas behavior. Work on the chapter 5 review worksheet
over the break. I’ll post it on my website. I’m also posting the answers. I expect to test you on
chapter 5 on Tuesday, 1/7/14.
Have a safe holiday.
1/6: We reviewed for the exam on gases that we will have tomorrow, 1/7. STUDY!!
1/7: Print up the chapter 11 notes!! I hope to have the test results posted sometime today.
1/8: We went over chapter 11 on solutions. STUDY!!
1/9: We went over chapter 11 on solutions. The homework is on p. 552 #’s 10, 27, 29 (HNO3
only), 33, 39.
1/10: We went over chapter 11 on solutions. The homework is on p. 552 #’s 12, 29 (H2SO4 only
– I may have written 39 on the board by mistake), 40 through 43, 45.
1/13: We went over freezing and boiling point of solutions problems.
The homework is on p. 552 #’s 13, 19, 20, 21, 43, 51, 59.
1/14: We went over osmotic pressure and the colligative properties of electrolytes.
The homework is on p. 554 #’s 58, 60, 61, 81, 84.
1/15: We did my favorite lab. The write up is due Friday, 1/17. Print up the notes for chapter 12.
1/16: We started chapter 12 on kinetics. The lab write up is due tomorrow.
1/17: We went over potential energy diagrams. STUDY!!
1/21: We learned how to write rate law expressions.
The homework is on p. 555 #’s 66, 68, 69, 71, 86 and on p. 602 #’s 21, 23, 24, 49, 50
1/22: We saw a great demonstration. We reviewed the integrated rate laws and completed
writing rate laws using logarithms.
The homework is on p. 555 #’s 72 – 77, 85; p. 603 #’s 26, 47, 48.
1/23: We worked on problems #29 and 31 on p. 604. Make the graphs as neat as possible and
show your work. These two problems are due tomorrow.
1/24: We worked on problems using the integrated rate law equations.
The homework is on p. 605 #’s 37-40.
1/27: We worked on problems involving the determination of the activation energy. There is a
major exam on chapters 11 and 12 on Thursday, 1/30. Work on the review problems that can be
found on my website under chapter 11 and 12 review worksheet.
1/28: I finished lecturing on chapter 12. Work on the review problems for chapters 11 and 12.
They are available on my website. The test is this Thursday, 1/30. I provided an answer key to
the review problems on my website.
1/29: Study for tomorrow’s exam!!!
1/30: Print up the chapter 13 notes!! I hope to have the scores posted at some point today.
1/31: Because of Career Day, we were unable to do much. I will be starting chapter 13, Chemical
Equilibrium, on Monday.
2/3: We started chapter 13 on equilibrium. I’m not assigning a specific homework but you should
review the notes I gave in class.
2/4: We learned more about equilibrium reactions.
The homework is on p. 650 #’s 21, 22, 24, 26, 29, 31.
2/5:We went over more equilibrium problems.
The homework is on p. 650 #’s 10, 30, 33, 38, 44.
2/6: We went over equilibrium problems that have a small equilibrium constant.
The homework is on p. 650 #’s 23, 34, 43, 46, 48, 55.
2/7: We went over Le Chatelier’s Principle problems. We started solubility product problems
from chapter 15. The homework is only for bonus points. It is do the following problems, and
explain your answer:
TTP at 1100 K, Kp = 0.25 atm-1 for the eq 2SO2(g) + O2(g) ⇌ 2SO3(g)
If the initial pressures of SO2 and O2 are 0.50 atm and the SO3 pressure is 0 atm initially, what
are the equilibrium pressures of the three gases?
This is from your notes. It is also problem #51 on page 652.
2/10: We went over solubility equilibrium problems.
The homework is on p. 653 #’s 56, 59 – 62, 66, 67. And p. 785 #’s 82, 86.
2/11: We went over problems involving the common ion effect.
The homework is on p. 653 #’s 63, 64, 70, 72. And p. 785 #’s 89, 92.
2/12: We completed the notes for the second part of chapter 15 on solubility equilibrium
reactions. Complete the review worksheet I handed out in class. The review worksheet is
available from my website. There is a test on chapter 13 and the part of chapter 15 on solubility
equilibrium reactions on Friday, 2/14.
2/13: We went over the review worksheet for the next text. I have moved the exam to Tuesday,
2/18. Download and print up the chapter 14 notes.
2/14: We started chapter 14. The test is Tuesday. STUDY!!
2/18: We took the fourth exam. I hope to have all scores posted by sometime this evening.
Have the chapter 14 notes ready to go by tomorrow!!
2/19: We went over pH problems. STUDY!!
2/20: We went into how to find the pH of strong and weak acids and bases, and percent
dissociation problems. The homework is on p. 711 #’s 17, 20, 30, 49, 60, 81, 124.
2/21: We finished the notes on chapter 14. Review the following problems:
Chapter 14: #’s 39, 40, 65, 77-80, 103, 104, 121, 122, 127; Chapter 15: #’s 87, 96.
2/24: We reviewed acids and bases and went over past exams. Bring your textbook to the final
exam. You may bring your own personally made handwritten 8.5” by 11’ piece of paper with
anything you want on it that may assist you on the final exam. STUDY!!
2/25: We went over past exams in periods 2 and 4. See 2/24 for information regarding the final
exam.