Problem sets:

    Chapter 1:  18, 22, 28, 33, 44, 46, 53, 56, 65
    Chapter 2:  7,8,13,14,33,34,41,46,47,50,59,64,73
    Chapter 3:  5,7,19,20,23,30,42,44,50,59,67,69,84,89,103,111
    Chapter 4:  9,21,31,33,39, 45,53,54,58,66,73,77
    Chapter 5:  19,22,24,31,34,37,45,49
    Chapter 6:  17,19,25,27,34,36,53,62,63,80,97
    Chapter 7:  8,11,15,20,29,34,67,82,107,111
    Chapter 8:  18,21,27,32,37,43,53,59,87,97
    Chapter 9:  14,18,22,23,29,33,47,50,53,74
    Chapter 10: 7,9,18,19(ignore NH3), 32,36,41,59
    Chapter 12: 7-10, 12-14, 16,18,19, 75,79
    Chapter 13: 7-9, 13,15,19
    Chapter 14: 6,15,17,23,26,33,37
    Chapter 15: 7,11,17,19,21,25, 30,31,37,38,43,45
    Chapter 16: 3-5, 15, 17,22,31,41,43,45,55,79
    Chapter 17: 5,7,9,11,13 ,33,39,41