Chemistry: An Introduction to General, Organic, and Biological Chemistry 8th 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: Problem Solving Using Conversion Factors (3)
    • 1.6: Density (3)
    • 1.7: Temperature (1)
    • 1: Additional Problem (4)

  • Chapter 2: Atoms and Elements
    • 2.1: Elements and Symbols (3)
    • 2.2: The Periodic Table (3)
    • 2.3: The Atom (1)
    • 2.4: Atomic Number and Mass Number (1)
    • 2.5: Isotopes (2)
    • 2.6: Electron Energy Levels (2)
    • 2: Additional Problem (4)

  • Chapter 3: Nuclear Radiation
    • 3.1: Radioactivity (6)
    • 3.2: Nuclear Equations (4)
    • 3.3: Radiation Measurement (2)
    • 3.4: Half-Life of a Radioisotope (2)
    • 3.5: Medical Applications Using Radioactivity (2)
    • 3.6: Nuclear Fission and Fusion (3)
    • 3: Additional Problem (11)

  • Chapter 4: Compounds and Their Bonds
    • 4.1: Valence Electrons (4)
    • 4.2: Octet Rule and Ions (4)
    • 4.3: Ionic Compounds (3)
    • 4.4: Naming Ionic Compounds (2)
    • 4.5: Polyatomic Ions (1)
    • 4.6: Covalent Compounds (2)
    • 4.7: Bond Polarity (1)
    • 4.8: Shapes and Polarity of Molecules (2)
    • 4: Additional Problem

  • 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: Additional Problem (6)

  • Chapter 6: Energy and Matter
    • 6.1: Energy and Heat (5)
    • 6.2: Energy and Nutrition (2)
    • 6.3: States of Matter (1)
    • 6.4: Changes of State (4)
    • 6.5: Energy in Chemical Reactions
    • 6.6: Chemical Equilibrium
    • 6: Additional Problem (2)

  • Chapter 7: Gases
    • 7.1: Gases and Kinetic Molecular Theory (1)
    • 7.2: Gas Pressure (1)
    • 7.3: Pressure and Volume (Boyle's Law) (4)
    • 7.4: Temperature and Volume (Charles' Law) (3)
    • 7.5: Temperature and Pressure (Gay-Lussac's Law) (1)
    • 7.6: The Combined Gas Law (1)
    • 7.7: Volume and Moles (Avogadro's Law) (2)
    • 7.8: Partial Pressures (Dalton's Law) (1)
    • 7: Additional Problem (4)

  • Chapter 8: Solutions
    • 8.1: Types of Solutions (1)
    • 8.2: Formation of Solutions (1)
    • 8.3: Solubility and Saturated Solutions (1)
    • 8.4: Electrolytes (3)
    • 8.5: Percent Concentration (4)
    • 8.6: Molarity and Dilution (2)
    • 8.7: Colloids and Suspensions (1)
    • 8.8: Osmosis and Dialysis (1)
    • 8: Additional Problem (5)

  • Chapter 9: Acids and Bases
    • 9.1: Acids and Bases (3)
    • 9.2: Bronsted-Lowry Acids and Bases (4)
    • 9.3: Strengths of Acids and Bases (2)
    • 9.4: Ionization of Water (5)
    • 9.5: The pH Scale (2)
    • 9.6: Reactions of Acids and Bases (1)
    • 9.7: Buffers (2)
    • 9: Additional Problems

  • Chapter 10: Introduction to Organic Chemistry
    • 10.1: Organic Compounds
    • 10.2: Bonding in Organic Compounds (1)
    • 10.3: Alkanes
    • 10.4: Naming Branched Alkanes (1)
    • 10.5: Haloalkanes (1)
    • 10.6: Properties of Alkanes (2)
    • 10.7: Functional Groups (2)
    • 10: Additional Problem

  • Chapter 11: Unsaturated Hydrocarbons
    • 11.1: Alkenes and Alkynes (1)
    • 11.2: Naming Alkenes and Alkynes (1)
    • 11.3: Cis-Trans Isomers (3)
    • 11.4: Addition Reactions
    • 11.5: Polymers of Alkenes (3)
    • 11.6: Aromatic Compounds (2)
    • 11: Additional Problems (4)

  • Chapter 12: Organic Compounds with Oxygen and Sulfur
    • 12.1: Alcohols, Phenols, and Thiols (2)
    • 12.2: Some Important Alcohols and Phenols
    • 12.3: Ethers
    • 12.4: Properties of Alcohols, Phenols, and Ethers
    • 12.5: Reactions of Alcohols and Thiols (2)
    • 12.6: Aldehydes and Ketones (3)
    • 12.7: Some Important Aldehydes and Ketones (1)
    • 12.8: Properties of Aldehydes and Ketones
    • 12.9: Chiral Molecules
    • 12: Additional Problem (7)

  • Chapter 13: Carboxylic Acids, Esters, Amines, and Amides
    • 13.1: Carboxylic Acids (2)
    • 13.2: Properties of Carbocxylic Acids
    • 13.3: Acidity of Carboxylic Acids
    • 13.4: Esters (5)
    • 13.5: Properties of Esters (2)
    • 13.6: Amines (3)
    • 13.7: Properties of Amines (3)
    • 13.8: Amides (2)
    • 13: Additional Problem (4)

  • Chapter 14: Carbohydrates
    • 14.1: Carbohydrates
    • 14.2: Calssification of Monosaccharides
    • 14.3: D and L Notations from Fischer Projections
    • 14.4: Structures of Some Important Monosaccharides
    • 14.5: Cyclic Structures of Monosaccharides
    • 14.6: Chemical Properties of Monosaccharides (1)
    • 14.7: Disaccharides (2)
    • 14.8: Polysaccharides (1)
    • 14: Additional Problem (9)

  • Chapter 15: Lipids
    • 15.1: Lipids
    • 15.2: Fatty Acids (8)
    • 15.3: Waxes, Fats, and Oils (4)
    • 15.4: Chemical Properties of Triacyglycerols (1)
    • 15.5: Glycerophospholipids (2)
    • 15.6: Steroids: Cholesterol and Steroid Hormones (1)
    • 15.7: Cell Membranes
    • 15: Additional Problem (1)

  • Chapter 16: Amino Acids, Proteins, and Enzymes
    • 16.1: Functions of Proteins (1)
    • 16.2: Amino Acids (5)
    • 16.3: Amino Acids as Acids and Bases (2)
    • 16.4: Formation of Peptides (1)
    • 16.5: Levels of Protein Structures (6)
    • 16.6: Enzymes (2)
    • 16.7: Enzyme Action (2)
    • 16.8: Factors Affecting Enzyme Activity (2)
    • 16.9: Enzyme Cofactors
    • 16: Additional Problem (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 (3)
    • 17.5: Protein Synthesis: Translation (2)
    • 17.6: Genetic Mutations
    • 17.7: Viruses
    • 17:Additional Problem (1)

  • Chapter 18: Metabolic Pathways and Energy Production
    • 18.1: Metabolism and ATP Energy
    • 18.2: Digestion: Stage 1 (2)
    • 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: Additional Problem (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 Problem


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Group Quantity Questions
Chapter 1: Measurements
1.AP 4 058 061 066 070
1.QP 16 004 006 008 010 011 018 020 030 032 036 040 044 047 048 050 054
Chapter 2: Atoms and Elements
2.AP 4 054 058 062 066
2.QP 12 002 004 006 008 010 012 016 030 032 034 040 044
Chapter 3: Nuclear Radiation
3.AP 11 044 046 048 050 052 054 055 056 058 060 064
3.QP 19 004 005 006 008 010 012 014 016 018 020 023 024 030 032 034 036 039 040 042
Chapter 4: Compounds and Their Bonds
4.QP 19 004 004.mrv 006 008 010 012 014 016 018 020 022 030 034 044 046 052 060 072 076
Chapter 5: Chemical Reactions and Quantities
5.AP 6 052 055 056 058 060 062
5.QP 22 002 004 006 008 010 012 016 017 020 022 024 026 028 030 032 034 036 038 044 046 048 050
Chapter 6: Energy and Matter
6.AP 2 050 053
6.QP 12 001 004 005 006 008 010 012 014 016 018 024 026
Chapter 7: Gases
7.AP 4 054 057 060 063
7.QP 14 002 008 012 014 018 020 023 027 028 034 036 040 044 048
Chapter 8: Solutions
8.AP 5 065 070 074 077 081
8.QP 14 002 006 008 014 018 023 028 031 036 038 040 044 054 060
Chapter 9: Acids and Bases
9.QP 19 002 004 006 008 010 012 014 016 018 020 022 024 026 028 032 034 040 044 046
Chapter 10: Introduction to Organic Chemistry
10.QP 7 008 022 028 032 034 036 038
Chapter 11: Unsaturated Hydrocarbons
11.AP 4 028 032 032.mrv 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 7 048 050 060 064 064.mrv 076 078
12.QP 8 002 006 020 020.mrv 024 026 028 032
Chapter 13: Carboxylic Acids, Esters, Amines, and Amides
13.AP 4 056 067 070 072
13.QP 17 002 004 018 022 022.mrv 024 028 030 032 034 036 038 042 044 044.mrv 050 050.mrv
Chapter 14: Carbohydrates
14.AP 9 045 047 051 051.mrv 052 054 056 056.mrv 058
14.QP 4 033 037 039 042
Chapter 15: Lipids
15.AP 1 068
15.QP 16 006 008 008.mrv 010 012 014 016 018 020 022 024 024.mrv 030 040 040.mrv 054
Chapter 16: Amino Acids, Proteins, and Enzymes
16.AP 3 074 076 086
16.QP 21 001 003 005 006 008 011 013 017 019 021 026 026.mrv 028 030 032 036 040 042 048 050 056
Chapter 17: Nucleic Acids and Protein Synthesis
17.AP 1 066
17.QP 9 008 010 016 018 022 028 030 034 038
Chapter 18: Metabolic Pathways and Energy Production
18.AP 1 098
18.QP 16 008 012 016 018 020 022 024 046 050 052 058 062 064 068 074 078
Total 321