Introductory Chemistry: Concepts and Critical Thinking 5th edition

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Charles H. Corwin
Publisher: Pearson Education


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  • Chapter 1: Introduction to Chemistry
    • 1.1: Evolution of Chemistry (2)
    • 1.2: Modern Chemistry
    • 1.3: Learning Chemistry

  • Chapter 2: Scientific Measurements
    • 2.1: Uncertainty in Measurements (3)
    • 2.2: Significant Digits (2)
    • 2.3: Rounding Off Nonsignificant Digits (2)
    • 2.4: Adding and Subtracting Measurements (2)
    • 2.5: Multiplying and Dividing Measurements (2)
    • 2.6: Exponential Numbers (2)
    • 2.7: Scientific Notation (1)
    • 2.8: Unit Equations and Unit Factors (1)
    • 2.9: Unit Analysis Problem Solving (4)
    • 2.10: The Percent Concept (2)

  • Chapter 3: The Metric System
    • 3.1: Basic Units and Symbols (1)
    • 3.2: Metric Conversion Factors (1)
    • 3.3: Metric-Metric Conversions (2)
    • 3.4: Metric-English Conversions (2)
    • 3.5: Volume by Calculation (2)
    • 3.6: Volume by Displacement (2)
    • 3.7: The Density Concept (3)
    • 3.8: Temperature (2)
    • 3.9: Heat and Specific Heat (3)
    • 3: General Exercises (5)

  • Chapter 4: Matter and Energy
    • 4.1: Physical States of Matter (2)
    • 4.2: Elements, Compounds, and Mixtures [13-16 (2)
    • 4.3: Names and Symbols of the Elements (3)
    • 4.4: Metals, Nonmetals, and Semimetals (5)
    • 4.5: Compounds and Chemical Formulas (2)
    • 4.6: Physical and Chemical Properties (1)
    • 4.7: Physical and Chemical Changes (1)
    • 4.8: Conservation of Mass (2)
    • 4.9: Potential and Kinetic Energy (2)
    • 4.10: Conservation of Energy (1)
    • 4: General Exercises

  • Chapter 5: Models of the Atom
    • 5.1: Dalton Model of the Atom (1)
    • 5.2: Thomson Model of the Atom (1)
    • 5.3: Rutherford Model of the Atom (1)
    • 5.4: Atomic Notation (3)
    • 5.5: Atomic Mass (3)
    • 5.6: The Wave Nature of Light (4)
    • 5.7: The Quantum Concept (1)
    • 5.8: Bohr Model of the Atom (1)
    • 5.9: Energy Levels and Sublevels (1)
    • 5.10: Electron Configuration (2)
    • 5.11: Quantum Mechanical Model of the Atom (2)
    • 5: General Exercises (1)

  • Chapter 6: The Periodic Table
    • 6.1: Classification of Elements (1)
    • 6.2: The Periodic Law Concept (1)
    • 6.3: Groups and Periods of Elements (2)
    • 6.4: Periodic Trends (4)
    • 6.5: Properties of Elements (2)
    • 6.6: Blocks of Elements (2)
    • 6.7: Valence Electrons (1)
    • 6.8: Electron Dot Formulas (1)
    • 6.9: Ionization Energy (3)
    • 6.10: Ionic Charges (4)
    • 6: General Exercises (2)

  • Chapter 7: Language of Chemistry
    • 7.1: Classification of Compounds (2)
    • 7.2: Monoatomic Ions (5)
    • 7.3: Polyatomic Ions (2)
    • 7.4: Writing Chemical Formulas (3)
    • 7.5: Binary Ionic Compounds (5)
    • 7.6: Ternary Ionic Compounds (3)
    • 7.7: Binary Molecular Compounds (2)
    • 7.8: Binary Acids (1)
    • 7.9: Ternary Oxyacids (2)
    • 7: General Exercises (1)

  • Chapter 8: Chemical Reactions
    • 8.1: Evidence for Chemical Reactions (1)
    • 8.2: Writing Chemical Equations (1)
    • 8.3: Balancing Chemical Equations (1)
    • 8.4: Classifying Chemical Reactions (1)
    • 8.5: Combination Reactions (2)
    • 8.6: Decomposition Reactions (2)
    • 8.7: The Activity Series Concept (3)
    • 8.8: Single-Replacement Reactions (3)
    • 8.9: Solubility Rules (2)
    • 8.10: Double-Replacement Reactions (1)
    • 8.11: Neutralization Reactions (1)
    • 8: General Exercises (2)

  • Chapter 9: The Mole Concept
    • 9.1: Avogadro's Number (2)
    • 9.2: Mole Calculations (3)
    • 9.3: Molar Mass (2)
    • 9.4: Mole Calculations II (2)
    • 9.5: Molar Volume (3)
    • 9.6: Mole Calculations III (4)
    • 9.7: Percent Composition (1)
    • 9.8: Empirical Formula (1)
    • 9.9: Molecular Formula (1)
    • 9: General Exercises (3)

  • Chapter 10: Chemical Equation Calculations
    • 10.1: Interpreting a Chemical Equation (2)
    • 10.2: Mole-Mole Relationships (2)
    • 10.3: Types of Stoichiometry Problems (1)
    • 10.4: Mass-Mass Problems (5)
    • 10.5: Mass-Volume Problems (3)
    • 10.6: Volume-Volume Problems (4)
    • 10.7: Limiting Reactant Concept (2)
    • 10.8: Limiting Reactant Problems (3)
    • 10.9: Percent Yield (2)
    • 10: General Exercises

  • Chapter 11: The Gaseous State
    • 11.1:Properties of Gases (1)
    • 11.2: Atmospheric Pressure (2)
    • 11.3: Variables Affecting Gas Pressure (1)
    • 11.4: Boyle's Law (2)
    • 11.5: Charles's Law (2)
    • 11.6: Guy-Lussac's Law (2)
    • 11.7: Combined Gas Law (5)
    • 11.8: The Vapor Pressure (1)
    • 11.9: Dalton's Law (1)
    • 11.10: Ideal Gas Behavior (1)
    • 11.11: Ideal Gas Law (2)
    • 11: General Exercises (4)

  • Chapter 12: Chemical Bonding
    • 12.1: The Chemical Bond Concept (3)
    • 12.2: Ionic Bonds (7)
    • 12.3: Covalent Bonds (1)
    • 12.4: Electron Dot Formulas of Molecules (1)
    • 12.5: Electron Dot Formulas of Polyatomic Ions (1)
    • 12.6: Polar Covalent Bonds (2)
    • 12.7: Nonpolar Covalent Bonds (2)
    • 12.8: Coordinate Covalent Bonds (1)
    • 12.9: Hydrogen Bonds (1)
    • 12.10: Shapes of Molecules (1)
    • 12: General Exercises (4)

  • Chapter 13: Liquids and Solids
    • 13.1: Properties of Liquids (1)
    • 13.2: The Intermolecular Bond Concept (2)
    • 13.3: Vapor Pressure, Boiling Point, Viscosity, Surface Tension (1)
    • 13.4: Properties of Solids (1)
    • 13.5: Crystalline Solids (1)
    • 13.6: Changes of Physical State (5)
    • 13.7: Structure of Water (1)
    • 13.8: Physical Properties of Water (2)
    • 13.9: Chemical Properties of Water (1)
    • 13.10: Hydrates (4)
    • 13: General Exercises (1)

  • Chapter 14: Solutions
    • 14.1: Gases in Solution (2)
    • 14.2: Liquids in Solutions (2)
    • 14.3: Solids in Solutions (1)
    • 14.4: the Dissolving Process (1)
    • 14.5: Rate of Dissolving (1)
    • 14.6: Solubility and Temperature (2)
    • 14.7: Unsaturated, Saturated, and Supersaturated Solutions (2)
    • 14.8: Mass/Mass Percent Concentration (4)
    • 14.9: Molar Concentration (5)
    • 14.10: Dilution of a Solution (1)
    • 14.11: Solution Stoichiometry (1)
    • 14: General Exercises

  • Chapter 15: Acids and Bases
    • 15.1: Properties of Acids and Bases (1)
    • 15.2: Arrhenius Acids and Bases (1)
    • 15.3: Bronsted-Lowry Acids and Bases (1)
    • 15.4: Acid-Base Indicators (1)
    • 15.5: Acid-Base Titrations (3)
    • 15.6: Acid-Base Standardization (4)
    • 15.7: Ionization of Water (2)
    • 15.8: The pH Concept (2)
    • 15.9: Advanced pH Calculations (2)
    • 15.10: Strong and Weak Electrolytes (1)
    • 15.11: Net Ionic Equations (1)
    • 15: General Exercises (2)

  • Chapter 16: Chemical Equilibrium
    • 16.1: Collision Theory (1)
    • 16.2: Energy Profiles of Chemical Reactions (1)
    • 16.3: The Chemical Equilibrium Concept (1)
    • 16.4: General Equilibrium Constant, Keq (4)
    • 16.5: Equilibria Shifts for Gases (3)
    • 16.6: Ionization Equilibrium Constant, Ki (3)
    • 16.7: Equilibria Shifts for Weak Acids and Bases (2)
    • 16.8: Solubility Product Equilibrium Constant, Ksp (3)
    • 16.9: Equilibria Shifts for Slightly Soluble Compounds (2)
    • 16: General Exercises (2)

  • Chapter 17: Oxidation and Reduction
    • 17.1: Oxidation Numbers (4)
    • 17.2: Oxidation-Reduction Reactions (1)
    • 17.3: Balancing Redox Equations: Oxidation Number Method (1)
    • 17.4: Balancing Redox Equations: Half-Reaction Method (1)
    • 17.5: Predicting Spontaneous Redox Reactions (3)
    • 17.6: Voltaic Cells (1)
    • 17.7: Electrolytic Cells (1)
    • 17: General Exercises

  • Chapter 18: Nuclear Chemistry
    • 18.1: Natural Radioactivity (1)
    • 18.2: Nuclear Equations (3)
    • 18.3: Radioactive Decay Series (1)
    • 18.4: Radioactive Half-Life (10)
    • 18.5: Applications of Radionuclides (1)
    • 18.6: Induced Radioactivity (2)
    • 18.7: Nuclear Fission (1)
    • 18.8: Nuclear Fusion (1)
    • 18: General Exercises

  • Chapter 19: Organic Chemistry
    • 19.1: Hydrocarbons (1)
    • 19.2: Alkanes (2)
    • 19.3: Alkenes and Alkynes (2)
    • 19.4: Arenes (1)
    • 19.5: Hydrocarbon Derivatives (2)
    • 19.6: Organic Halides (1)
    • 19.7: Alcohols, Phenols, and Ethers (2)
    • 19.8: Amines (1)
    • 19.9: Aldehydes and Ketones (1)
    • 19.10: Carboxylic Acids, Esters, and Amides (4)
    • 19: General Exercises (3)

  • Chapter 20: Biochemistry
    • 20.1: Biological Compounds (2)
    • 20.2: Proteins (1)
    • 20.3: Enzymes (1)
    • 20.4: Carbohydrates (2)
    • 20.5: Lipids (1)
    • 20.6: Nucleic Acids (5)
    • 20: General Exercises

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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.

Question Group Key
E - Exercises


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Group Quantity Questions
Chapter 1: Introduction to Chemistry
1.E 2 004 012
Chapter 2: Scientific Measurements
2.E 21 004 006 008 010 014 016 018 020 022 024 026 030 034 038 048 056 058 062 066 068 072
Chapter 3: The Metric System
3.E 23 004 014 018 020 024 026 030 032 038 040 046 048 050 054 056 060 062 064 070 080 090 092 094
Chapter 4: Matter and Energy
4.E 21 002 010 014 016 018 020 022 024 028 030 032 034 038 040 046 052 060 062 064 066 072
Chapter 5: Models of the Atom
5.E 21 004 010 012 018 020 022 030 034 036 040 042 044 046 052 064 072 078 080 086 090 092
Chapter 6: The Periodic Table
6.E 23 004 008 026 028 030 032 034 036 042 044 054 056 060 062 064 068 070 074 076 078 080 084 088
Chapter 7: Language of Chemistry
7.E 26 002 004 006 008 010 012 014 016 018 020 022 024 026 028 030 032 034 036 038 040 046 048 050 052 054 058
Chapter 8: Chemical Reactions
8.E 20 006 016 020 024 030 036 042 046 048 050 052 056 060 064 068 070 074 078 084 086
Chapter 9: The Mole Concept
9.E 22 002 004 006 010 012 014 016 018 020 026 028 030 032 034 036 038 040 048 060 078 080 082
Chapter 10: Chemical Equation Calculations
10.E 24 002 004 010 012 018 020 022 024 026 028 030 032 036 040 044 046 048 050 056 062 066 072 076 078
Chapter 11: The Gaseous State
11.E 24 002 006 008 014 018 020 024 026 030 032 034 036 038 040 042 046 050 060 064 066 068 076 082 084
Chapter 12: Chemical Bonding
12.E 24 002 006 008 012 014 016 018 020 022 026 030 038 040 050 052 056 058 066 070 076 080 082 088 098
Chapter 13: Liquids and Solids
13.E 20 004 006 008 022 026 032 036 038 040 042 044 048 056 058 064 072 074 076 078 086
Chapter 14: Solutions
14.E 22 002 004 010 012 018 024 026 028 032 038 042 044 048 050 052 054 058 060 062 064 066 068
Chapter 15: Acids and Bases
15.E 21 004 006 016 022 028 032 034 036 038 040 042 048 050 052 054 060 062 066 078 086 088
Chapter 16: Chemical Equilibrium
16.E 22 002 016 020 022 024 026 028 030 032 034 036 038 040 042 044 046 050 052 054 056 064 068
Chapter 17: Oxidation and Reduction
17.E 12 002 004 006 008 012 022 028 038 040 042 052 060
Chapter 18: Nuclear Chemistry
18.E 20 002 008 010 012 014 022 024 025 026 027 028 029 030 031 032 036 044 048 060 066
Chapter 19: Organic Chemistry
19.E 20 006 008 020 022 026 040 042 044 050 052 058 064 070 080 082 086 088 090 092 096
Chapter 20: Biochemistry
20.E 12 004 006 018 028 032 040 044 056 060 062 064 066
Total 400