WebAssign Companion to Wertz - Chemistry - Molecular Science 3/e 1st edition

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  • Chapter T: WebAssign Answer Templates and Tutorials
    • T: WebAssign Answer Templates and Tutorials

  • Chapter 1: The Early Experiments
    • 1.0: Introduction
    • 1.1: Scientific Method
    • 1.2: Lavoisier and the Birth of Modern Chemistry
    • 1.3: John Dalton and Atomic Theory (1804)
    • 1.4: Atoms and Molecules
    • 1.5: The Mole and Molar Mass
    • 1.6: Energy
    • 1.7: Electromagnetism and Coulomb's Law
    • 1.8: Atomic Structure
    • 1.9: Subatomic Particles, Isotopes, and Ions
    • 1.10: Dimitri Mendeleev and the Periodic Law (1869)
    • 1: Concept Mastery
    • 1: Exercises
    • 1: Stand Alone Tutorials

  • Chapter 2: Quantum Theory
    • 2.0: Introduction
    • 2.1: The Nature of Light
    • 2.2: Quantization
    • 2.3: Bohr Model
    • 2.4: Quantum Theory
    • 2.5: Quantum Numbers
    • 2.6: Orbital Shapes, Signs, and Sizes
    • 2.7: Electron Configurations
    • 2.8: Quantum Theory and the Periodic Table
    • 2: Concept Mastery
    • 2: Exercises
    • 2: Stand Alone Tutorials

  • Chapter 3: Atomic Structure and Properties
    • 3.0: Introduction
    • 3.1: Valence Electrons
    • 3.2: Shielding and Effective Nuclear Charge
    • 3.3: Relative Sizes of Atoms
    • 3.4: Orbital Energy
    • 3.5: Ionization Energy
    • 3.6: Electronegativity
    • 3.7: Magnetic Properties
    • 3: Concept Mastery
    • 3: Exercises
    • 3: Stand Alone Tutorials

  • Chapter 4: The Ionic Bond
    • 4.0: Introduction
    • 4.1: Ionic Bonding
    • 4.2: Naming Ions and Predicting their Charge
    • 4.3: Relative Sizes of Ions
    • 4.4: Oxidation States
    • 4.5: Polyatomic Ions
    • 4.6: Naming Ionic Compounds
    • 4.7: Structure of Ionic Compounds
    • 4: Concept Mastery
    • 4: Exercises
    • 4: Stand Alone Tutorials

  • Chapter 5: The Covalent Bond
    • 5.0: Introduction
    • 5.1: The Covalent Bond
    • 5.2: Bond Polarity
    • 5.3: Naming Binary Covalent Compounds
    • 5.4: Lewis Symbols of the Elements
    • 5.5: Lewis Structures of Diatomic Molecules
    • 5.6: Determining Lewis Structures
    • 5.7: Resonance
    • 5.8: Formal Change and Oxidation State
    • 5.9: Practice with Lewis Structures
    • 5: Concept Mastery
    • 5: Exercises
    • 5: Stand Alone Tutorials

  • Chapter 6: Molecular Structure and Bonding
    • 6.0: Introduction
    • 6.1: Molecular Shapes
    • 6.2: Central Atoms with Expanded Octets
    • 6.3: Larger Molecules
    • 6.4: Valence Bond Theory and Hybridization
    • 6.5: Molecular Orbital Theory and Delocalized Bonds
    • 6: Concept Mastery
    • 6: Exercises
    • 6: Stand Alone Tutorials

  • Chapter 7: States of Matter and Changes in State
    • 7.0: Introduction
    • 7.1: Gases
    • 7.2: Kinetic Molecular Theory and Thermal Energy
    • 7.3: Intermolecular Forces
    • 7.4: Solids
    • 7.5: Liquids
    • 7.6: Changes in State
    • 7: Concept Mastery
    • 7: Exercises
    • 7: Stand Alone Tutorials

  • Chapter 8: Solid Materials
    • 8.0: Introduction
    • 8.1: Unit Cells
    • 8.2: Cubic Unit Cells and Metallic Radii
    • 8.3: Unit Cell Stoichiometry
    • 8.4: Coordination Number and Geometry
    • 8.5: Density and Packing Efficiency
    • 8.6: Band Theory of Simple Metals
    • 8.7: Ionic Solids and Ionic Radii
    • 8.8: Covalent Solids
    • 8.9: Molecular Solids and Atomic Radii
    • 8.10: Comparison of Solid Types
    • 8: Concept Mastery
    • 8: Exercises
    • 8: Stand Alone Tutorials

  • Chapter 9: Reaction Energetics
    • 9.0: Introduction
    • 9.1: The First Law of Thermodynamics
    • 9.2: Enthalpy
    • 9.3: Enthalpies of Combustion
    • 9.4: Bond Energies
    • 9.5: Entropy
    • 9.6: The Second Law of Thermodynamics
    • 9.7: Free Energy and Reaction Spontaneity
    • 9.8: Standard Free Energy and Extent of Reaction
    • 9.9: Activation Energy
    • 9.10: Rates of Reaction and the Rate Law
    • 9.11: Equilibrium and the Equilibrium Constant
    • 9.12: Le Châtelier's Principle
    • 9: Concept Mastery
    • 9: Exercises
    • 9: Stand Alone Tutorials

  • Chapter 10: Solutions
    • 10.0: Introduction
    • 10.1: Concentration
    • 10.2: The Solution Process
    • 10.3: Organic Compounds
    • 10.4: Detergents and Micelles
    • 10.5: Electrolytes
    • 10.6: Electrolyte Solutions
    • 10.7: Dissolution of Ionic Substances
    • 10.8: Precipitation of Ionic Substances
    • 10.9: Solubility Equilibria
    • 10: Concept Mastery
    • 10: Exercises
    • 10: Stand Alone Tutorials

  • Chapter 11: Electron Transfer and Electrochemistry
    • 11.0: Introduction
    • 11.1: Electron Transfer or Redox Reactions
    • 11.2: Half-Reactions
    • 11.3: Galvanic Cells
    • 11.4: Standard Reduction Potentials
    • 11.5: Writing Redox Reactions
    • 11.6: Common Batteries
    • 11.7: Corrosion
    • 11.8: Electrolytic Cells
    • 11: Concept Mastery
    • 11: Exercises
    • 11: Stand Alone Tutorials

  • Chapter 12: Acid-Base Chemistry
    • 12.0: Introduction
    • 12.1: Lewis Acids and Bases
    • 12.2: Brønsted Acids
    • 12.3: Brønsted Acid-Base Reactions
    • 12.4: Extent of Proton Transfer
    • 12.5: Acid and Base Strengths
    • 12.6: The Acid Dissociation Constant, Ka
    • 12.7: Aqueous Solutions of Weak Bases
    • 12.8: The Acid-Base Table
    • 12.9: pH and pKa
    • 12: Concept Mastery
    • 12: Exercises
    • 12: Stand Alone Tutorials

  • Chapter 13: Organic Chemistry
    • 13.0: Introduction
    • 13.1: Hydrocarbons
    • 13.2: Naming Simple Hydrocarbons
    • 13.3: Isomers
    • 13.4: Functional Groups
    • 13.5: Introduction to Organic Reactions
    • 13.6: Polymers
    • 13: Concept Mastery
    • 13: Exercises
    • 13: Stand Alone Tutorials

  • Chapter 14: Inorganic Chemistry
    • 14.0: Introduction
    • 14.1: Ligands and Coordination
    • 14.2: The d Orbitals and Ligand Fields
    • 14.3: Isomers
    • 14.4: Metals in Biology
    • 14.5: Metals as Catalysts
    • 14.6: Metals as Electronic and Magnetic Materials
    • 14: Concept Mastery
    • 14: Exercises
    • 14: Stand Alone Tutorials

  • Chapter A: Stoichiometry of Elements and Compounds
    • A.1: Introduction
    • A.2: The Conversion Factor Approach to Calculations
    • A.3: Molar Masses and Atomic Weights of the Elements
    • A.4: Relating Grams, Moles, and Molar Mass
    • A.5: Counting Individual Atoms
    • A.6: Chemical Formulas of Compounds
    • A.7: Molar Masses, Molecular Weights, and Formula Weights of Compounds
    • A.8: Relating Grams, Moles, and Molar Mass of Compounds
    • A.9: Percent Composition of Compounds
    • A.10: Counting Atoms, Ions, and Molecules in Compounds
    • A: Content Mastery
    • A: Exercises
    • A: Stand Alone Tutorials

  • Chapter B: Gases
    • B.1: Gas Molecules Acting Collectively
    • B.2: Relationship of Pressure to the Other Gas Properties
    • B.3: Using the Ideal Gas Law
    • B: Content Mastery
    • B: Exercises
    • B: Stand Alone Tutorials

  • Chapter C: Molarity
    • C.1: Molarity and the Mole
    • C.2: Molarity as a Conversion Factor
    • C.3: Concentrations of Ions
    • C.4: Making Solutions
    • C.5: Dilution of Solutions
    • C: Content Mastery
    • C: Exercises
    • C: Stand Alone Tutorials

  • Chapter D: Reaction Stoichiometry
    • D.1: Introduction
    • D.2: Quantitative Relationships in Reactions
    • D.3: Reaction Stoichiometry Involving Grams
    • D.4: Limiting Reactants
    • D.5: Reactions Involving Gases
    • D.6: Reactions Involving Solutions
    • D: Content Mastery
    • D: Exercises
    • D: Stand Alone Tutorials

  • Chapter FE: Final Exam Questions
    • FE: Final Exam Questions
    • FE: Stand Alone Tutorials

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.

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Group Quantity Questions
Chapter 1: The Early Experiments
1 0  
Chapter 2: Quantum Theory
2 0  
Chapter 3: Atomic Structure and Properties
3 0  
Chapter 4: The Ionic Bond
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Chapter 5: The Covalent Bond
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Chapter 6: Molecular Structure and Bonding
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Chapter 7: States of Matter and Changes in State
7 0  
Chapter 8: Solid Materials
8 0  
Chapter 9: Reaction Energetics
9 0  
Chapter 10: Solutions
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Chapter 11: Electron Transfer and Electrochemistry
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