Chemistry: An Introduction to General, Organic, and Biological Chemistry 9th edition

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Karen C. Timberlake
Publisher: Pearson Education


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  • Chapter 1: Measurements
    • 1.1: Units of Measurement (2)
    • 1.2: Measured Numbers and Significant Figures (3)
    • 1.3: Significant Figures in Calculations (2)
    • 1.4: Prefixes and Equalities (2)
    • 1.5: Writing Conversion Factors (1)
    • 1.6: Problem Solving (2)
    • 1.7: Density (3)
    • 1: Chapter Review (4)

  • Chapter 2: Energy and Matter
    • 2.1: Energy (2)
    • 2.2: Energy and Nutrition (2)
    • 2.3: Temperature Conversions
    • 2.4: Specific Heat (3)
    • 2.5: States of Matter (1)
    • 2.6: Changes of State (4)
    • 2: Chapter Review (1)

  • Chapter 3: Atoms and Elements
    • 3.1: Classification of Matter
    • 3.2: Elements and Symbols (3)
    • 3.3: The Periodic Table (3)
    • 3.4: The Atom (1)
    • 3.5: Atomic Number and Mass Number (1)
    • 3.6: Isotopes and Atomic Mass (2)
    • 3.7: Electron Energy Levels (2)
    • 3.8: Periodic Trends
    • 3: Chapter Review (4)

  • Chapter 4: Compounds and Their Bonds
    • 4.1: Octet Rule and Ions (1)
    • 4.2: Ionic Compounds
    • 4.3: Naming and Writing Ionic Formulas (2)
    • 4.4: Polyatomic Ions
    • 4.5: Covalent Compounds (1)
    • 4.6: Electronegativity and Bond Polarity
    • 4.7: Shapes and Polarity of Molecules (2)
    • 4: Chapter Review (1)

  • Chapter 5: Chemical Reactions and Quantities
    • 5.1: Chemical Changes (1)
    • 5.2: Chemical Equations (3)
    • 5.3: Types of Reactions (2)
    • 5.4: Oxidation-Reduction Reactions (3)
    • 5.5: The Mole (2)
    • 5.6: Molar Mass (7)
    • 5.7: Mole Relationships in Chemical Equations (2)
    • 5.8: Mass Calculations for Reactions (2)
    • 5.9: Energy in Chemical Reactions
    • 5: Chapter Review (6)

  • Chapter 6: Gases
    • 6.1: Properties of Gases (1)
    • 6.2: Gas Pressure (1)
    • 6.3: Pressure and Volume (Boyle's Law) (4)
    • 6.4: Temperature and Volume (Charles' Law) (3)
    • 6.5: Temperature and Pressure (Gay-Lussac's Law) (1)
    • 6.6: The Combined Gas Law (1)
    • 6.7: Volume and Moles (Avogadro's Law) (2)
    • 6.8: Partial Pressures (Dalton's Law) (1)
    • 6: Chapter Review (4)

  • Chapter 7: Solutions
    • 7.1: Solutions (2)
    • 7.2: Electrolytes and Nonelectrolytes (3)
    • 7.3: Solubility (1)
    • 7.4: Percent Concentration (4)
    • 7.5: Molarity and Dilution (2)
    • 7.6: Solutions in Chemical Reactions
    • 7.7: Properties of Solutions (2)
    • 7: Chapter Review (5)

  • Chapter 8: Acids and Bases
    • 8.1: Acids and Bases (3)
    • 8.2: Brønsted-Lowry Acids and Bases (4)
    • 8.3: Strengths of Acids and Bases (2)
    • 8.4: Ionization of Water (5)
    • 8.5: The pH Scale (2)
    • 8.6: Reactions of Acids and Bases (1)
    • 8.7: Buffers (2)
    • 8: Chapter Review

  • Chapter 9: Nuclear Radiation
    • 9.1: Natural Radioactivity (6)
    • 9.2: Nuclear Equations (4)
    • 9.3: Radiation Measurement (2)
    • 9.4: Half-Life of a Radioisotope (2)
    • 9.5: Medical Applications Using Radioactivity (2)
    • 9.6: Nuclear Fission and Fusion (3)
    • 9: Chapter Review (11)

  • Chapter 10: Introduction to Organic Chemistry: Alkanes
    • 10.1: Organic Compounds
    • 10.2: Alkanes
    • 10.3: Alkanes with Substituents (2)
    • 10.4: Properties of Alkanes (1)
    • 10.5: Functional Groups (2)
    • 10: Chapter Review

  • Chapter 11: Unsaturated Hydrocarbons
    • 11.1: Alkenes and Alkynes (2)
    • 11.2: Cis-Trans Isomers (3)
    • 11.3: Addition Reactions
    • 11.4: Polymers of Alkenes (3)
    • 11.5: Aromatic Compounds (2)
    • 11: Chapter Review (3)

  • Chapter 12: Organic Compounds with Oxygen and Sulfur
    • 12.1: Alcohols, Ethers, and Thiols (2)
    • 12.2: Properties of Alcohols, Phenols, and Ethers
    • 12.3: Reactions of Alcohols and Thiols (2)
    • 12.4: Aldehydes and Ketones (3)
    • 12.5: Properties of Aldehydes and Ketones
    • 12.6: Chiral Molecules
    • 12: Chapter Review (7)

  • Chapter 13: Carboxylic Acids, Esters, Amines, and Amides
    • 13.1: Carboxylic Acids (2)
    • 13.2: Properties of Carboxylic Acids
    • 13.3: Esters (7)
    • 13.4: Amines (6)
    • 13.5: Amides (2)
    • 13: Chapter Review (3)

  • Chapter 14: Carbohydrates
    • 14.1: Carbohydrates
    • 14.2: Structures of Monosaccharides
    • 14.3: Cyclic Structures of Monosaccharides
    • 14.4: Chemical Properties of Monosaccharides
    • 14.5: Disaccharides (2)
    • 14.6: Polysaccharides (1)
    • 14: Chapter Review (7)

  • Chapter 15: Lipids
    • 15.1: Lipids
    • 15.2: Fatty Acids (8)
    • 15.3: Waxes, Fats, and Oils (5)
    • 15.4: Chemical Properties of Triacylglycerols (1)
    • 15.5: Glycerophospholipids (2)
    • 15.6: Steroids: Cholesterol and Steroid Hormones (1)
    • 15.7: Cell Membranes
    • 15: Chapter Review (1)

  • Chapter 16: Amino Acids, Proteins, and Enzymes
    • 16.1: Functions of Proteins
    • 16.2: Amino Acids
    • 16.3: Amino Acids as Acids and Bases (2)
    • 16.4: Formation of Peptides (1)
    • 16.5: Levels of Protein Structure (6)
    • 16.6: Enzymes (2)
    • 16.7: Enzyme Action (2)
    • 16.8: Factors Affecting Enzyme Activity (2)
    • 16.9: Enzyme Cofactors
    • 16: Chapter Review (3)

  • Chapter 17: Nucleic Acids and Protein Synthesis
    • 17.1: Components of Nucleic Acids (2)
    • 17.2: Primary Structure of Nucleic Acids
    • 17.3: DNA Double Helix (2)
    • 17.4: RNA and the Genetic Code (2)
    • 17.5: Protein Synthesis: Translation (2)
    • 17.6: Genetic Mutations
    • 17.7: Viruses
    • 17: Chapter Review (1)

  • Chapter 18: Metabolic Pathways and Energy Production
    • 18.1: Metabolism and ATP Energy
    • 18.2: Digestion: Stage 1 (1)
    • 18.3: Important Coenzymes in Metabolic Pathways (2)
    • 18.4: Glycolysis: Stage 2 (3)
    • 18.5: The Citric Acid Cycle: Stage 3
    • 18.6: Electron Transport (3)
    • 18.7: Oxidative Phosphorylation and ATP (3)
    • 18.8: Oxidation of Fatty Acids (2)
    • 18.9: Degradation of Amino Acids (1)
    • 18: Chapter Review (1)

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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.

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QP - Question and Problem
AP - Additional Question and Problem


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Group Quantity Questions
Chapter 1: Measurements
1.AP 4 052 055 060 064
1.QP 15 004 006 008 010 011 018 020 030 032 036 040 044 047 048 050
Chapter 2: Energy and Matter
2.AP 1 050
2.QP 12 001 004 008 010 017 018 020 026 028 030 036 038
Chapter 3: Atoms and Elements
3.AP 4 076 078 102 111
3.QP 12 008 010 012 014 016 018 021 036 038 040 046 050
Chapter 4: Compounds and Their Bonds
4.AP 1 072
4.QP 6 002 022 026 044 064 068
Chapter 5: Chemical Reactions and Quantities
5.AP 6 069 071 072 078 080 082
5.QP 22 002 004 006 008 010 012 016 017 020 022 024 030 032 034 036 038 040 042 048 050 052 054
Chapter 6: Gases
6.AP 4 056 059 062 065
6.QP 14 002 008 012 014 018 020 023 027 028 034 036 040 044 050
Chapter 7: Solutions
7.AP 5 073 078 082 085 091
7.QP 14 002 006 010 014 019 022 032 035 040 042 044 048 062 068
Chapter 8: Acids and Bases
8.QP 19 002 004 006 008 010 012 014 016 018 020 022 024 026 028 032 034 040 048 050
Chapter 9: Nuclear Radiation
9.AP 11 044 046 048 050 052 054 055 056 058 060 064
9.QP 19 004 005 006 008 010 012 014 016 018 020 023 024 030 032 034 036 039 040 042
Chapter 10: Introduction to Organic Chemistry: Alkanes
10.QP 5 020 026 030 032 034
Chapter 11: Unsaturated Hydrocarbons
11.AP 3 028 032 034
11.QP 10 002 006 010 012 012.mrv 016 018 018.mrv 022 024
Chapter 12: Organic Compounds with Oxygen and Sulfur
12.AP 7 044 046 054 058 058.mrv 070 072
12.QP 7 002 006 018 018.mrv 022 024 026
Chapter 13: Carboxylic Acids, Esters, Amines, and Amides
13.AP 3 054 063 066
13.QP 17 002 004 018 022 022.mrv 024 028 030 032 034 036 038 042 044 044.mrv 048 048.mrv
Chapter 14: Carbohydrates
14.AP 7 043 045 049 050 052 054 054.mrv
14.QP 3 035 037 040
Chapter 15: Lipids
15.AP 1 068
15.QP 17 006 008 008.mrv 010 012 014 016 018 020 022 022.mrv 024 024.mrv 030 040 040.mrv 054
Chapter 16: Amino Acids, Proteins, and Enzymes
16.AP 3 074 076 086
16.QP 15 013 017 019 021 026 026.mrv 028 030 032 036 040 042 048 050 056
Chapter 17: Nucleic Acids and Protein Synthesis
17.AP 1 066
17.QP 8 008 010 016 018 022 030 034 038
Chapter 18: Metabolic Pathways and Energy Production
18.AP 1 098
18.QP 15 008 016 018 020 022 024 046 050 052 058 062 064 068 074 078
Total 292