2011-2012 1st Semester Lecture Homework

• Pg863 37,39,45
  

• Pg282 57,61

• Pg 813 #21, rest of 27,33,37, 39, 45, 51

• Pg282 21,43,55,61b,67
  
• Pg813 27a,33c,37a,49,53
  

• 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)

• Do Pg770 #91a&b, 93, 97, 99

• 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

• 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 NaOH solution to Buffer A.
• Determine the pH of solution after you add 1.0ml of 0.500M NaOH solution to Buffer B.

• 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!!!

• 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, [OBr^1-]=5.9E-9M) and 100 ([H⁺]=[H₂PO₄^1-]=2.4E-2M, [H₃PO₄]=7.6E-2M, [HPO₄^2-]=6.2E-8M, [PO₄^3-]=1.2E-18M, [OH^1-]=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

• 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) + Cl_{2 (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) K_p = 2.3atm
56)P_COCL2=1.0atm, P_CO=P_Cl2=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

• Try to fill in as much as this handout as possible, [1st Year Equilibrium Notes 1].
• Just read this handout, [1st Year Equilibrium Notes 2]

• Pg230 25, 33,41,49,51,55,61,65,101,103
  

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
    

• Pg180 25/27 (no complete ionic equations), 33,35,37

• Pg180 43, 45c, 49, 51 (associated with Quantitative Titration lab)

• (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