Chemical Principles 5th edition

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Steven S. Zumdahl
Publisher: Cengage Learning


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  • Chapter 1: Chemists and Chemistry
    • 1: Discussion Questions
    • 1: Exercises
    • 1: Additional Exercise
    • 1: Challenge Problems
    • 1: Marathon Problem

  • Chapter 2: Atoms, Molecules, and Ions
    • 2: Discussion Questions (2)
    • 2: Exercises (18)
    • 2: Additional Exercise (7)
    • 2: Challenge Problems (4)
    • 2: Marathon Problem

  • Chapter 3: Stoichiometry
    • 3: Discussion Questions (2)
    • 3: Exercises (41)
    • 3: Additional Exercise (15)
    • 3: Challenge Problems (9)
    • 3: Marathon Problem (1)

  • Chapter 4: Types of Chemical Reactions and Solution Stoichiometry
    • 4: Discussion Questions
    • 4: Exercises (43)
    • 4: Additional Exercise (7)
    • 4: Challenge Problems (6)
    • 4: Marathon Problem (1)

  • Chapter 5: Gases
    • 5: Discussion Questions (5)
    • 5: Exercises (54)
    • 5: Additional Exercise (17)
    • 5: Challenge Problems (10)
    • 5: Marathon Problem (1)

  • Chapter 6: Chemical Equilibrium
    • 6: Discussion Questions
    • 6: Exercises (29)
    • 6: Additional Exercise (9)
    • 6: Challenge Problems (11)
    • 6: Marathon Problem (1)

  • Chapter 7: Acids and Bases
    • 7: Discussion Questions
    • 7: Exercises (46)
    • 7: Additional Exercise (8)
    • 7: Challenge Problems (4)
    • 7: Marathon Problem (1)

  • Chapter 8: Application of Aqueous Equilibria
    • 8: Discussion Questions
    • 8: Exercises (52)
    • 8: Additional Exercise (11)
    • 8: Challenge Problems (7)
    • 8: Marathon Problem (1)

  • Chapter 9: Energy, Enthalpy, and Thermochemistry
    • 9: Discussion Questions (1)
    • 9: Exercises (36)
    • 9: Additional Exercise (5)
    • 9: Challenge Problems (5)
    • 9: Marathon Problem (1)

  • Chapter 10: Spontaneity, Entropy, or Free Energy
    • 10: Discussion Questions
    • 10: Exercises (49)
    • 10: Additional Exercise (13)
    • 10: Challenge Problems (9)
    • 10: Marathon Problem

  • Chapter 11: Electrochemistry
    • 11: Discussion Questions
    • 11: Exercises (46)
    • 11: Additional Exercise (6)
    • 11: Challenge Problems (8)
    • 11: Marathon Problem (1)

  • Chapter 12: Quantum Mechanics and Atomic Theory
    • 12: Discussion Questions (1)
    • 12: Exercises (43)
    • 12: Additional Exercise (10)
    • 12: Challenge Problems (5)
    • 12: Marathon Problem (1)

  • Chapter 13: Bonding: General Concepts
    • 13: Discussion Questions
    • 13: Exercises (39)
    • 13: Additional Exercise (3)
    • 13: Challenge Problems (2)
    • 13: Marathon Problem

  • Chapter 14: Covalent Bonding: Orbitals
    • 14: Discussion Questions (1)
    • 14: Exercises (16)
    • 14: Additional Exercise (6)
    • 14: Challenge Problems (1)
    • 14: Marathon Problem

  • Chapter 15: Chemical Kinetics
    • 15: Discussion Questions
    • 15: Exercises (46)
    • 15: Additional Exercise (12)
    • 15: Challenge Problems (2)
    • 15: Marathon Problem

  • Chapter 16: Liquids and Solids
    • 16: Discussion Questions (1)
    • 16: Exercises (60)
    • 16: Additional Exercise (10)
    • 16: Challenge Problems (1)
    • 16: Marathon Problem

  • Chapter 17: Properties of Solutions
    • 17: Discussion Questions
    • 17: Exercises (60)
    • 17: Additional Exercise (10)
    • 17: Challenge Problems (3)
    • 17: Marathon Problem

  • Chapter 18: The Representative Elements: Groups 1A Through 4A
    • 18: Discussion Questions
    • 18: Exercises (34)
    • 18: Additional Exercise (10)
    • 18: Challenge Problems (4)
    • 18: Marathon Problem

  • Chapter 19: The Representative Elements: Groups 5A Through 8A
    • 19: Discussion Questions
    • 19: Exercises (35)
    • 19: Additional Exercise (5)
    • 19: Challenge Problems (5)
    • 19: Marathon Problem

  • Chapter 20: Transition Metals and Coordination Chemistry
    • 20: Discussion Questions
    • 20: Exercises (18)
    • 20: Additional Exercise (7)
    • 20: Challenge Problems (2)
    • 20: Marathon Problem

  • Chapter 21: The Nucleus: A Chemist's View
    • 21: Discussion Questions
    • 21: Exercises (29)
    • 21: Additional Exercise (5)
    • 21: Challenge Problems (3)
    • 21: Marathon Problem

  • Chapter 22: Organic and Biochemical Molecules
    • 22: Discussion Questions
    • 22: Exercises (21)
    • 22: Additional Exercise (5)
    • 22: Challenge Problems (1)
    • 22: Marathon Problem

Questions Available within WebAssign

Most questions from this textbook are available in WebAssign. The online questions are identical to the textbook questions except for minor wording changes necessary for Web use. Whenever possible, variables, numbers, or words have been randomized so that each student receives a unique version of the question. This list is updated nightly.

Question Group Key
AE - Additional Exercise
CP - Challenge Problem
DQ - Discussion Question
E - Exercise
MP - Marathon Problem


Question Availability Color Key
BLACK questions are available now
GRAY questions are under development


Group Quantity Questions
Chapter 1: Chemists and Chemistry
1 0  
Chapter 2: Atoms, Molecules, and Ions
2.AE 7 044 046 047 049 050 052 054
2.CP 4 058 059 060 061
2.DQ 2 009 011
2.E 18 018 019 020 022 023 024 025 026 029 030 031 033 034 035 038 040 042 043
Chapter 3: Stoichiometry
3.AE 15 072 074 075 076 077 078 080 082 083 084 086 087 088 089 090
3.CP 9 094 095 096 098 100 102 104 106 108
3.DQ 2 006 010
3.E 41 023 024 025 026 027 029 030 032 033 034 036 037 038 039 040 041 042 044 046 047 048 049 050 051 052 053 054 055 056 057 058 059 060 061 062 064 066 067 068 069 070
3.MP 1 109
Chapter 4: Types of Chemical Reactions and Solution Stoichiometry
4.AE 7 069 072 074 076 078 079 080
4.CP 6 082 083 084 086 090 092
4.E 43 014 015 016 017 018 019 020 021 022 024 028 029 030 031 034 035 036 038 040 042 044 045 046 047 048 049 050 051 052 053 054 055 056 057 058 059 060 062 063 064 065 066 068
4.MP 1 094
Chapter 5: Gases
5.AE 17 095 096 097 098 100 102 103 104 105 106 107 108 110 114 116 118 119
5.CP 10 121 124 126 129 130 132 133 134 135 136
5.DQ 5 006 009 011 012 015
5.E 54 022 024 026 027 028 029 030 031 032 032.alt 034 035 036 037 038 039 040 041 042 044 045 046 048 049 050 051 052 054 055 056 057 058 060 063 064 066 068 069 070 071 072 073 074 076 080 081 083 084 086 088 089 090 092 094
5.MP 1 137
Chapter 6: Chemical Equilibrium
6.AE 9 051 052 055 056 057 058 060 061 062
6.CP 11 064 065 066 067 068 070 071 072 073 074 076
6.E 29 012 013 017 018 019 020 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 044 046 049 050
6.MP 1 078
Chapter 7: Acids and Bases
7.AE 8 093 096 098 100 102 104 106 108
7.CP 4 112 113 115 119
7.E 46 017 020 022 025 026 027 028 029 030 031 032 034 035 036 038 040 041 042 044 045 046 048 050 054 056 057 058 060 062 066 070 072 073 074 075 076 077 079 080 082 084 085 086 088 090 092
7.MP 1 121
Chapter 8: Application of Aqueous Equilibria
8.AE 11 099 100 102 106 107 108 110 112 114 116 118
8.CP 7 124 126 128 130 132 134 136
8.E 52 017 019 020 021 024 026 027 028 030 032 033 034 036 038 039 041 042 044 045 046 047 048 049 052 053 054 055 056 057 066 067 068 070 071 072 073 074 076 077 078 080 082 084 085 086 088 090 091 092 094 095 096
8.MP 1 139
Chapter 9: Energy, Enthalpy, and Thermochemistry
9.AE 5 069 070 072 073 074
9.CP 5 081 082 084 086 088
9.DQ 1 003
9.E 36 015 018 019 020 021 026 027 028 029 030 032 034 035 036 037 038 039 040 042 043 044 046 047 048 050 051 052 056 058 059 061 062 063 064 066 067
9.MP 1 089
Chapter 10: Spontaneity, Entropy, or Free Energy
10.AE 13 075 076 078 079 080 082 084 087 094 096 098 100 102
10.CP 9 104 105 106 108 109 110 112 114 116
10.E 49 015 016 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 034 036 038 039 040 041 042 043 044 045 046 047 048 049 050 052 053 054 056 057 058 059 060 062 063 064 065 066 067 068 070 074
Chapter 11: Electrochemistry
11.AE 6 077 082 083 086 088 090
11.CP 8 091 092 093 094 096 097 098 100
11.E 46 015 016 017 018 020 022 024 025 026 027 028 030 032 034 035 036 037 038 041 042 043 044 046 047 048 049 050 051 052 053 054 056 057 058 060 061 062 063 064 066 068 070 071 072 073 074
11.MP 1 102
Chapter 12: Quantum Mechanics and Atomic Theory
12.AE 10 114 116 117 119 121 122 123 125 126 130
12.CP 5 132 133 136 138 140
12.DQ 1 001
12.E 43 022 023 025 026 027 028 029 032 033 034 036 037 038 041 042 043 044 046 047 049 050 051 052 059 060 062 064 066 068 069 070 076 077 078 079 080 082 090 092 093 094 096 104
12.MP 1 141
Chapter 13: Bonding: General Concepts
13.AE 3 093 096 097
13.CP 2 107 108
13.E 39 011 012 013 014 015 016 017 018 020 022 025 026 028 030 031 032 033 034 035 036 038 040 041 042 043 044 047 048 054 057 060 063 064 065 072 076 084 085 086
Chapter 14: Covalent Bonding: Orbitals
14.AE 6 050 051 054 056 061 062
14.CP 1 063
14.DQ 1 004
14.E 16 014 018 019 020 026 030 031 032 034 035 036 040 042 043 044 045
Chapter 15: Chemical Kinetics
15.AE 12 074 075 076 077 078 080 084 085 086 087 088 090
15.CP 2 093 095
15.E 46 010 011 012 013 014 015 016 018 019 020 021 022 023 024 026 027 028 031 032 033 034 035 036 037 038 039 040 042 043 047 049 050 052 054 055 057 058 059 060 061 062 066 070 071 072 073
Chapter 16: Liquids and Solids
16.AE 10 095 102 103 104 105 106 108 109 111 112
16.CP 1 121
16.DQ 1 010
16.E 60 012 014 015 016 017 018 019 020 023 024 026 027 028 029 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 051 052 055 056 057 058 059 060 061 062 063 064 066 067 068 069 071 072 074 075 076 077 080 083 084 085 086 087 088
Chapter 17: Properties of Solutions
17.AE 10 090 091 093 094 095 096 097 098 100 102
17.CP 3 104 108 110
17.E 60 012 013 014 015 016 018 019 020 021 022 023 024 025 026 027 028 030 031 032 034 035 037 038 039 040 041 042 043 044 046 047 048 049 050 051 053 054 055 058 059 060 061 062 063 064 065 066 067 069 070 074 075 076 077 078 079 080 081 082 084
Chapter 18: The Representative Elements: Groups 1A Through 4A
18.AE 10 055 057 058 059 060 061 062 063 068 070
18.CP 4 071 072 074 075
18.E 34 001 002 003 004 005 006 007 008 009 011 012 016 017 018 024 025 026 027 030 032 033 034 035 036 040 042 043 045 046 047 048 050 051 052
Chapter 19: The Representative Elements: Groups 5A Through 8A
19.AE 5 054 056 057 059 060
19.CP 5 061 062 063 064 066
19.E 35 002 003 004 010 011 012 013 014 019 020 021 026 027 028 029 031 033 034 035 036 037 038 039 040 042 043 044 045 046 047 048 049 050 051 052
Chapter 20: Transition Metals and Coordination Chemistry
20.AE 7 051 053 054 057 058 061 064
20.CP 2 069 071
20.E 18 006 007 010 018 019 020 021 024 025 028 033 034 035 039 040 044 046 049
Chapter 21: The Nucleus: A Chemist's View
21.AE 5 048 049 050 052 053
21.CP 3 056 057 058
21.E 29 002 005 006 007 008 010 013 014 015 016 017 019 020 021 022 023 024 025 026 028 029 030 031 032 033 036 043 046 047
Chapter 22: Organic and Biochemical Molecules
22.AE 5 109 114 115 120 121
22.CP 1 129
22.E 21 006 007 008 009 010 011 012 013 025 029 030 031 032 036 037 038 076 080 097 101 104
Total 1120