Editing 2011-2012 1st Semester Lecture Homework

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Thurs 1/31 Due:Fri 2/1 
*Pg863 37,39,45 
 
Wed 1/30 Due: Thurs 1/31 
*Pg282 57,61
 
Tues 1/29 Due: 1/30 
*Pg 813 #21, rest of 27,33,37, 39, 45, 51
 
Fri 1/25 Due: Tues 1/29 
*Pg282 21,43,55,61b,67 
*Pg813 27a,33c,37a,49,53 
 
Given Thurs 1/3 HW for Electrochemistry 
*Pg862 15a&b, 16a&b (Balancing by oxidation number and half cell method
*Pg862 25(27), 33 (Electrochemical cell)
*Pg862 47, 49, 51 (Hint: look @ standard reduction potential table)
*Pg862 57, 63 (concentration cell / Nernst Equation)
*Pg862 79, 81a&c, 85, 91, 93 (Electrolysis / Electroplating)
 
Fri 12/14 Due: Mon 12/17 
*Do Pg770 #91a&b, 93, 97, 99
 
Wed 12/12 Due: Fri 12/14 
*Read Section 15.6 & 15.7 in AP book (Solubility and Precipitation)
*Read Determining Ksp of Calcium hydroxide lab
*Do Q1&Q2 on Ksp handout and do all the problems (except #4&#7) for The Solubility Product Constant handout
*Do problems 81,83,85,87
 
Due: Mon 12/7 
*All test corrections
*Pg 770 61 & 63 including pH curves, 57, 58 (assigned before)
*Pg 770 55,56,65,68,69
 
Tues 11/27 Due: Wed 11/28 
*Do Lab Calculation to get Buffer A and Buffer B
*Determine the pH of solution after you add 1.0ml of 0.500M <nowiki>NaOH</nowiki> solution to Buffer A.
*Determine the pH of solution after you add 1.0ml of 0.500M <nowiki>NaOH </nowiki>solution to Buffer B.
 
Tues 11/20 Due: Mon 11/26 
*Homework (from Acid Base Part I) Quiz
*Complete the [[Common Ion Effect Lab]] calculations
*In AP book, Read Section 15.1 thru Section 15.4 (Pg708-739) twice only!!!
 
Thurs 11/15 Due: Mon 11/19 (Acid-Base Test 1 is on Tuesday Nov 20) 
*Pg700 #28, 32, 65, 70, 79, 88, 99, 105, 111, 113, 115,121, 133, 136,139, 145

Wed 11/14 Due: Thurs 11/15 
*Do #64 and 100 (including pH)
*Answer to 64 (pH = 1.57, [OBr1-]=5.9E-9M) and 100 ([H+]=[H2PO41-]=2.4E-2M, [H3PO4]=7.6E-2M, [HPO42-]=6.2E-8M, [PO43-]=1.2E-18M, [OH1-]=4.2E-13M. pH=1.62)

*Start calculating for [[Student Directed Hydrolysis of Salt Lab]] and [[Student-Directed Comparison of Strong and Weak Acids and Bases]]

Tues 11/13 Due: Wed 11/14 
*Pg700 103, 107 (and calculate pH), 109
*Print out and read [[Student Directed Hydrolysis of Salt Lab]]
 
Tues 11/13 In class Pg700 27,31,67,69,77 
 
Review for Equilibrium and Gas Test: Test on Fri 11/2 
*Pg640 .22,34,56,58,64,67,71,74(and why)and the following question:

*A 2.50 mole quantity of NOCl was initially in a 1.50L reaction chamber at 400 degrees C. After equilibrium was reached, it was found that 28.0% of the initial NOCl had dissociated or reacted. What is K if the following is the reaction:
**2NOCl(g) <-> 2 NO(g) + Cl2 (g)

*Pg640 21,33,49,51(a&c),59,63,79

Answers to Even Number Problem 
22)a. 5.3E-3, b) 2.9E-5, c) 190 
34) Kp = 2.3atm 
56)PCOCL2=1.0atm, PCO=PCl2=8.2E-5atm 
58)9.4E-3M 
64)a) Left, b) Right c) no effect d) Right e) Right 
74) shift Right, more pink 
 
Tues 10/23 (Happy Mole Day!!!) Due: Wed 10/24 
*Do Pg 640 #21a&c, 41, 43, 55
 
Tues 10/16 Due: 10/17 
*Try to fill in as much as this handout as possible, [http://tmcleod.org/cgi-bin/chem1/wiki.cgi?Equilibrium_Notes_1 1st Year Equilibrium Notes 1].
*Just read this handout, [http://tmcleod.org/cgi-bin/chem1/wiki.cgi?Equilibrium_Notes_2 1st Year Equilibrium Notes 2]
 
Wed 10/3 
*Pg230 25, 33,41,49,51,55,61,65,101,103 
 
Tues 10/2 Due: 
Pg230 #5,24,58,67,70,72,77,83,97 
Answers for Pg230 even questions: 
24)508torrs and 0.668atm , 58) 0.587g/L , 70) 3.40E3J/mol at 273K and 6.81E3J/mol at 546K, 72) urms=493m/s at 273K and urms=493m/s

Monday 9/24 Due: Wed 9/26 
*Chapter/section Review HW 
**Pg180 60b&d, 62c, 67,69,71,77,78(balancing by Half Cell), 79,92b&d 
 
Thurs 9/20 Due: Monday 9/24 (get 1st half of class to work on HW)
 
Homework for Precipitation Rxn 
*Pg180 25/27 (no complete ionic equations), 33,35,37
Homework for Acid Base Rxn 
*Pg180 43, 45c, 49, 51 (associated with Quantitative Titration lab)
Homework for Redox Rxn 
*(for next class) Read Section 4.10 (in Zumdahl) Pg 171, Balancing Redox by Half Cell Method
*57b&d, (59b&c and 61, Balancing by Half cell method), 63
*In first year book (balancing by oxidation number) Pg619 #16

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