AP/IB Chemistry (Period 6) Assignments
- Instructor
- Garrett Lim
- Term
- Spring 2019
- Department
- Science
- Description
-
Welcome to AP Chemistry. This class is designed to meet the requirements of the AP curricula. Each student in this class is expected to take the AP test in May. All the information presented will be helpful to deepen your understanding of the related concepts. Please continually check this website AND your email for updated information, due dates and homework. I am very excited about this class and I look forward to an amazing year of discovering the wonders of chemistry! Get ready for a challenging yet fun year!
Lab times:
3nd period: Mondays, 4:00-6:15PM
6th period: Mondays, Tuesdays and Thursdays 2:45-3:30PM
AP Test: Thursday, May 7th, 2020 AM
Upcoming Assignments
No upcoming assignments.
Past Assignments
Due:
Assignment
Complete the following problems:
2012: #1bcd
2013: #1 and 3
2014: #1, 2a, 4 and 6
2015: #2abdef, 3a, 4 and 7
2016: #2abce, and 6
2017: #2f, 3ab, 5, 6
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Assignment
Progress Checks FRQ Units 6 and 7
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Assignment
Progress Check MC Units 6, 7
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Assignment
Progress Checks FRQ Units 4 and 5
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Assignment
Complete the following problems:
2011: #2 and 6
2012: #3 and 6
2013: #2 and 5
2014: #3 and 7
2015: #1 and 5
2016: #3 and 5
2017 #1b, 2e, and 7
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Assignment
Progress Check MC Units 4, 5
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Assignment
Progress Checks FRQ Units 1-3
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Assignment
Progress Check MC Units 1, 2, 3
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Assignment
Complete the following problems:
2011B: #2 and #6ab
2012: #2 and #5
2013: #6
2014: #5
2015: #6
2016: #1bcdef and #7
2017 :#1acd, #2a and #4
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Assignment
Ch. 18 Test! Get your packet together!
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Assignment
Labs are due!
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Assignment
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Assignment
AP Practice Questions!
2a: 112.5g/mol, Cd
2b: 0.36V
2c: -69kJ
5b: 2e-
5d: 0.231L
5e: 2.27A
2a: 112.5g/mol, Cd
2b: 0.36V
2c: -69kJ
5b: 2e-
5d: 0.231L
5e: 2.27A
Due:
Assignment
p. 761 #30-32, 37-40
FYI: for #37-40, you will need to write out the equation needed to get the K expression. Make the redox reactions match the equation you wrote. Also, Kformation has to do with the FORMATION of a complex ion.
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Assignment
p. 761 #17, 19, 21-28, 35, 36
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Assignment
Thermo Test!
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Assignment
p. 761 #7-14
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Assignment
p. 711 #15, 17, 19, 23-26 AND AP Practice problems due
Answers:
1a: -151kJ/molrxn 1b: -0.120kJ/molrxnK 1c: 1.50 x 10^20
3a: 1.32 x 10^43 3b: -270J/molrxnK 3dii: 203J/molK
4a: 3.14 x 10^3 J/molrxn 4b: 30800J/molrxn and 92.9 J/molrxnK 4c: 332 K 4d: 0.281 atm
5b: 8.1 kJ/molrxn 5c: -181.9 J/molrxnK 5d: 1.2 x 10^-11
6a: -28.9 kJ/molrxn 6b: 1.17 x 105 6c: -333 J/molrxnK 6d: 0kJ/mol; 0kJ/mol;131 J/mol K
Answers:
1a: -151kJ/molrxn 1b: -0.120kJ/molrxnK 1c: 1.50 x 10^20
3a: 1.32 x 10^43 3b: -270J/molrxnK 3dii: 203J/molK
4a: 3.14 x 10^3 J/molrxn 4b: 30800J/molrxn and 92.9 J/molrxnK 4c: 332 K 4d: 0.281 atm
5b: 8.1 kJ/molrxn 5c: -181.9 J/molrxnK 5d: 1.2 x 10^-11
6a: -28.9 kJ/molrxn 6b: 1.17 x 105 6c: -333 J/molrxnK 6d: 0kJ/mol; 0kJ/mol;131 J/mol K
Due:
Assignment
Ch. 15/16 Test!!!
Answers to the extra worksheet below:
1) Qsp=1.58E-14; yes!
2) 2.0E-15M
3) 2.4E-4M
4a) 1.8E-7
4b) 9.8E-19M
4c) 1.0E-16M
5) Qsp=1.5E-11; no!
6) [Ag+]=2.6E-4M
7) 0.1200M (it stayed the same!!!-not much carbonate left to react!)
8)0.128g KCl
9)PbSO4 is first, [Pb2+]=1.1E-4M
10) MgF2 first, 0.16% remains (very small, makes sense!)
11) 2.0E-2M
Answers to the extra worksheet below:
1) Qsp=1.58E-14; yes!
2) 2.0E-15M
3) 2.4E-4M
4a) 1.8E-7
4b) 9.8E-19M
4c) 1.0E-16M
5) Qsp=1.5E-11; no!
6) [Ag+]=2.6E-4M
7) 0.1200M (it stayed the same!!!-not much carbonate left to react!)
8)0.128g KCl
9)PbSO4 is first, [Pb2+]=1.1E-4M
10) MgF2 first, 0.16% remains (very small, makes sense!)
11) 2.0E-2M
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Assignment
p. 711: #1, 3, 5, 7, 13, 14
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Assignment
Print out notes if you haven't yet.
Also Cramsheet due!
Answers:
1a: -128.6 kJ/mol
1b: -286.0 kJ/mol
2: -60.6 kJ/mol
3: -867.7 kJ./mol
4: -2500 kJ
5a: -183 kJ/mol
5b: 486 kJ/mol
6b: 127kJ
If you did not bring your book
home, you can find standard enthalpies of formation here:
http://en.wikipedia.org/wiki/Standard_enthalpy_change_of_formation_
and bond enthalpies here:
http://www.wiredchemist.com/chemistry/data/bond_energies_lengths.html
Also!! Print out Fill-in Notes!
1a: -128.6 kJ/mol
1b: -286.0 kJ/mol
2: -60.6 kJ/mol
3: -867.7 kJ./mol
4: -2500 kJ
5a: -183 kJ/mol
5b: 486 kJ/mol
6b: 127kJ
If you did not bring your book
home, you can find standard enthalpies of formation here:
http://en.wikipedia.org/wiki/Standard_enthalpy_change_of_formation_
and bond enthalpies here:
http://www.wiredchemist.com/chemistry/data/bond_energies_lengths.html
Also!! Print out Fill-in Notes!
Due:
Assignment
p. 677 #63, 64, 95-97 AND
AP Practice Worksheet AND lab quiz
Review Worksheet is optional and is for extra practice. Answers to AP practice worksheet:
1990b: Ksp=1.61e-14
c: pH=9.503
d: no
1994a: Ksp=7.09e-9
Ksp=7.09e-7
c: no
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Assignment
p. 677 #47, 48, 52, 54, 55, 57, 59, 61, 67-70
As a rule of thumb, make sure that when you are doing book problems that you use the values from the book.
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Assignment
Get the lab that I sent you over e-mail (Determining Ksp) ready. There is a prelab! Get it done!
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Assignment
p. 677 #37, 39, 41, 42, 43, 44
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Assignment
Biggest test of the year!!! Study!!!
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Assignment
Lewis Acid Base Worksheet
Draw the Lewis structures for everything in #1 and #2!!!
Draw the Lewis structures for everything in #1 and #2!!!
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Assignment
AP Practice Problems!
Free Response Answers below:
Answers:
1980a: pH=11.89
b: Kb=3.7e-4
1982a: pH=3.92
c: [H3O+] = 1.5e-4M
d: [H3O+] = 1.2e-4M
1986 b: pH=2.93
c: pH=4.77
d: [OH-]=3.4e-6M
1991a: [H+]=1.6e-3M
b: 0.80%
c: 2.0
d: pH=5.13
Answers:
1980a: pH=11.89
b: Kb=3.7e-4
1982a: pH=3.92
c: [H3O+] = 1.5e-4M
d: [H3O+] = 1.2e-4M
1986 b: pH=2.93
c: pH=4.77
d: [OH-]=3.4e-6M
1991a: [H+]=1.6e-3M
b: 0.80%
c: 2.0
d: pH=5.13
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Assignment
Titration Worksheet (start on this as soon as possible!)
Answers to the even problems are written at the end of each even problem.
Answers to the even problems are written at the end of each even problem.
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Assignment
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Assignment
p. 677 # 1-6, 11-15, 17-20
Answers: 4: pH=4.85 (it's not in the question but the volume of the solution is 100.mL)
6: pH=9.7
12: pH=9.21
14: 1 HPO4^2- = 1.6 H2PO4^- (find the ratio from HHB!)
18: b (prove it!!!)
20: ratio = 2 NH3:1 NH4+
Due:
Assignment
Acid Base Quiz!
99:
100: Remember that calcium hydroxide is a strong base; the Kb for HONH2 is 1.1*10^(-8)
102:
104:[H+]=[C2H5NH2]=2.1*10^(-6)M; [C2H3NH3+]=[Cl-]=0.25M; [OH-]=4.8*10^(-9)M (btw, the Kb for C2H5NH2 is 5.6e-4)
105A: pH=5.82
105B: pH=10.95
111: Look at the tables that I gave you for this problem.
Due:
Assignment
Zumdahl Questions: #57, 58, 59, 62, 63b-d, 67, 86, 87, 89b, 93, 95b, 101, 106
Answers:
57. [HF] = 0.017 M, [H+] = [F-] = 3.5 x 10-3M; pH = 2.46
58. pH = 0.92
59. pH = 1.96
62. pH = 1.57; [OC6H5-] = 5.9 x 10-9 M
63b. % dissociation = 1.9%
63c. % dissociation = 5.8%
63d.
67. Ka = 3.5 x 10-4
86a. Kb=3.8 x 10-10; [OH-] = 8.7 x 10-6M; [H+] = 1.1 x 10-9M ; pH = 8.96
86b. [OH-] = 9.4 x 10-3M; [H+] = 1.1 x 10-12M; pH = 11.96
87. pH = 12.00
89b. Percent ionized = 4.2%
Answers:
57. [HF] = 0.017 M, [H+] = [F-] = 3.5 x 10-3M; pH = 2.46
58. pH = 0.92
59. pH = 1.96
62. pH = 1.57; [OC6H5-] = 5.9 x 10-9 M
63b. % dissociation = 1.9%
63c. % dissociation = 5.8%
63d.
67. Ka = 3.5 x 10-4
86a. Kb=3.8 x 10-10; [OH-] = 8.7 x 10-6M; [H+] = 1.1 x 10-9M ; pH = 8.96
86b. [OH-] = 9.4 x 10-3M; [H+] = 1.1 x 10-12M; pH = 11.96
87. pH = 12.00
89b. Percent ionized = 4.2%
93-94:Write the dissociation equations. Write the expression for each equation.
95b: Ka1=4.3x10^(-7); pH=3.68
95b: Ka1=4.3x10^(-7); pH=3.68
101.
106a. pH = 8.23
106b. pH = 10.56
106c. pH = 4.82
106a. pH = 8.23
106b. pH = 10.56
106c. pH = 4.82
Due:
Assignment
Print the following for class. We will be starting the next chapter soon!
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Assignment
Zumdahl questions: #52, 53b, 55, 56, 64, 65, 66, 80, 88
52: 0.00012g
53b: Ka= 1.8x10^(-5), pH=2.68
55: [H+]=[C2H3O2-]=0.00058M; [HC2H3O2]=0.0181M; pH=3.24
56: [H+]=[C3H5O2-]=0.0011M; [OH-]=9.1X10^(-12)M (use Kw=[H+][OH-] for this part); [HC3H5O2]=0.099M; pH=2.96; %diss=1.1%
64a: 100%
64b: 4.5%
64a: 100%
64b: 4.5%
64c: 0.0029%
65:Ka=1.4x10^(-4)
66.Ka=0.033 (You're going to have to do some algebra with this one!)
80a: [OH-]=0.100M, pOH=1.000; pH=13.000
80b: [OH-]=0.022M, pOH=1.66; pH=12.34
88: pH=11.85
65:Ka=1.4x10^(-4)
66.Ka=0.033 (You're going to have to do some algebra with this one!)
80a: [OH-]=0.100M, pOH=1.000; pH=13.000
80b: [OH-]=0.022M, pOH=1.66; pH=12.34
88: pH=11.85
Due:
Assignment
Zumdahl problems: 54ab, 60, 77ab, 79ab, 84, 85ab
54a. pH=5.20
54b. pH=4.92
60: [H+]=0.0021; pH=2.68
77a: pOH=1.00; pH=14.00-1.00=13.00
77b: pH=7.00...figure out why...hint: NaOH isn't the only thing in the solution...
79a: you should be able to figure out the major species on your own. [OH-]=.0.015M; pH=12.18
79b: see 79a; [OH-]=0.030M; pOH=12.48
84: [OH-]=[H2NNH3+]=0.0024M, [H2NNH2]~2.0M, [H+]=4.2x10^(-12); pH=11.38
85a: [OH-]=0.0089M; [H+]=1.1x10^(-12); pH=11.96
85b: [OH-]=0.000047M; [H+]=2.1x10^(-10); pH=9.68
54a. pH=5.20
54b. pH=4.92
60: [H+]=0.0021; pH=2.68
77a: pOH=1.00; pH=14.00-1.00=13.00
77b: pH=7.00...figure out why...hint: NaOH isn't the only thing in the solution...
79a: you should be able to figure out the major species on your own. [OH-]=.0.015M; pH=12.18
79b: see 79a; [OH-]=0.030M; pOH=12.48
84: [OH-]=[H2NNH3+]=0.0024M, [H2NNH2]~2.0M, [H+]=4.2x10^(-12); pH=11.38
85a: [OH-]=0.0089M; [H+]=1.1x10^(-12); pH=11.96
85b: [OH-]=0.000047M; [H+]=2.1x10^(-10); pH=9.68
Due:
Assignment
p. 629 #1-21 odd
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Assignment
Equilibrium Test!
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Assignment
Print out fill-in notes. Acids and Bases! EEK!!!!!!
Print out the following practice problems. We will be working them out in class so you will be lost if you don't print them!
Due:
Assignment
AP Practice Worksheet
Some answers:
1a:Q=0.04, shift right
1b: Q=1.00, shift left
1c: Q=0.0900, no shift
2: [HF]=2.0M; [H2]=[F2]=0.0077M
3: [NH3]=0.60M; [H2]=0.35M; [N2]=2.0M
4. PPCl5=19.7 torr; PPCl3= PCl2=169.5 torr
1a: 0.546mol; b: 8.4g; c: 15.1
2a: 0.34; b: 5.0; d: 0.87; e: [CO]=0.12M
1a:Q=0.04, shift right
1b: Q=1.00, shift left
1c: Q=0.0900, no shift
2: [HF]=2.0M; [H2]=[F2]=0.0077M
3: [NH3]=0.60M; [H2]=0.35M; [N2]=2.0M
4. PPCl5=19.7 torr; PPCl3= PCl2=169.5 torr
1a: 0.546mol; b: 8.4g; c: 15.1
2a: 0.34; b: 5.0; d: 0.87; e: [CO]=0.12M
Due:
Assignment
Due:
Assignment
p. 583 #27-30, 32, 35, 37, 38, 41, 51, 63
(by the way, the answer for 35 is actually 37,000 not what's on the back of the book)
Due:
Assignment
p. 583 #3-6, 20-24
Ans:
4: Q>K, NO2 increases to reestablish equilibrium
6: Q<K, reaction proceeds to the right
20: K2 = 1/(K1)^0.5
22: K=2.25x10^22
24: K=2.4
Due:
Assignment
p. 583 #10, 11, 15-18
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Assignment
p. 583 #1, 2, 7-9
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Assignment
Finish AP Free Response Questions (the questions are in your e-mail. Check it!)
Answers will be sent around New Year's Day to your e-mail!
Answers will be sent around New Year's Day to your e-mail!