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Chemistry:
The Molecular Nature of Matter and Change
1 Keys to the Study of Chemistry
1.1 Some Fundamental Definitions
The Properties of Matter
The Three States of Matter
The Central Theme in Chemistry
The Importance of Energy in the Study of Matter
1.2 Chemical Arts and the Origins of Modern Chemistry
Prechemical Traditions
The Phlogiston Fiasco and the Impact of Lavoisier
1.3 The Scientific Approach: Developing a Model
1.4 Chemical Problem Solving
Units and Conversion Factors in Calculations
A Systematic Approach to Solving Chemistry Problems
1.5 Measurement in Scientific Study
General Features of SI Units
Some Important SI Units in Chemistry
1.6 Uncertainty in Measurement: Significant Figures
Determining Which Digits Are Significant
Working with Significant Figures in Calculations
Precision, Accuracy, and Instrument Calibration
Chapter Perspective
Chemical Connections to Interdisciplinary Science:Chemistry Problem Solving in the Real World
For Review and Reference
Problems
2The Components of Matter
2.1 Elements, Compounds, and Mixtures: An Atomic Overview
2.2 The Observations That Led to an Atomic View of Matter
2.3 Dalton’s Atomic Theory
Postulates of the Atomic Theory
How the Theory Explains the Mass Laws
The Relative Masses of Atoms
2.4 The Observations That Led to the Nuclear Atom Model
Discovery of the Electron and Its Properties
Discovery of the Atomic Nucleus
2.5 The Atomic Theory Today
Structure of the Atom
Atomic Number, Mass Number, and Atomic Symbol
Isotopes and Atomic Masses of the Elements
Tools of the Laboratory: Mass Spectrometry
A Modern Reassessment of the Atomic Theory
2.6 Elements: A First Look at the Periodic Table
2.7 Compounds: Introduction to Bonding
The Formation of Ionic Compounds
The Formation of Covalent Compounds
The Elements of Life
2.8 Compounds: Formulas, Names, and Masses
Types of Chemical Formulas
Some Advice about Learning Names and Formulas
Names and Formulas of Ionic Compounds
Names and Formulas of Binary Covalent Compounds
An Introduction to Naming Organic Compounds
Molecular Masses from Chemical Formulas
Gallery: Picturing Molecules
2.9 Mixtures: Classification and Separation
Tools of the Laboratory: Basic Separation Techniques
Chapter Perspective
For Review and Reference
Problems
3 Stoichiometry of Formulas and Equations
3.1 The Mole
Defining the Mole
Molar Mass
Interconverting Moles, Mass, and Number of Chemical Entities
Mass Percent from the Chemical Formula
3.2 Determining the Formula of an Unknown Compound
Empirical Formulas
Molecular Formulas
Chemical Formulas and Molecular Structures
3.3 Writing and Balancing Chemical Equations
3.4 Calculating Amounts of Reactant and Product
Stoichiometrically Equivalent Molar Ratios from the Balanced Equation
Chemical Reactions That Occur in a Sequence
Chemical Reactions That Involve a Limiting Reactant
Chemical Reactions in Practice: Theoretical, Actual, and Percent Yields
3.5 Fundamentals of Solution Stoichiometry
Expressing Concentration in Terms of Molarity
Mole-Mass-Number Conversions Involving Solutions
Preparing and Diluting Molar Solutions
Stoichiometry of Chemical Reactions in Solution
Chapter Perspective
For Review and Reference
Problems
4 The Major Classes of Chemical Reactions
4.1 The Role of Water as a Solvent
The Polar Nature of Water
Ionic Compounds in Water
Covalent Compounds in Water
4.2 Writing Equations for Aqueous Ionic Reactions
4.3 Precipitation Reactions
The Key Event: Formation of a Solid from Dissolved Ions
Predicting Whether a Precipitate Will Form
4.4 Acid-Base Reactions
The Key Event: Formation of H2O from H+ and OH–
Acid-Base Titrations
Proton Transfer: A Closer Look at Acid-Base Reactions
4.5 Oxidation-Reduction (Redox) Reactions
The Key Event: Movement of Electrons Between Reactants
Some Essential Redox Terminology
Using Oxidation Numbers to Monitor the Movement of Electron Charge
Balancing Redox Equations
Redox Titrations
4.6 Elements in Redox Reactions
4.7 Reversible Reactions: An Introduction to Chemical Equilibrium
Chapter Perspective
For Review and Reference
Problems
5 Gases and the Kinetic-Molecular Theory
5.1 An Overview of the Physical States of Matter
5.2 Gas Pressure and Its Measurement
Laboratory Devices for Measuring Gas Pressure
Units of Pressure
5.3 The Gas Laws and Their Experimental Foundations
The Relationship Between Volume and Pressure: Boyle’s Law
The Relationship Between Volume and Temperature: Charles’s Law
The Relationship Between Volume and Amount: Avogardro’s Law
Gas Behavior at Standard Conditions
The Ideal Gas
Solving Gas Law Problems
5.4 Further Applications of the Ideal Gas Law
The Density of a Gas
The Molar Mass of a Gas
The Partial Pressure of a Gas in a Mixture of Gases
5.5 The Ideal Gas Law and Reaction Stoichiometry
5.6 The Kinetic-Molecular Theory: A Model for Gas Behavior
How the Kinetic-Molecular Theory Explains the Gas Laws
Effusion and Diffusion
The Chaotic World of Gases: Mean Free Path and Collision Frequency
Chemical Connections to Planetary Science: Structure and Composition of the Earth’s Atmosphere
5.7 Real Gases: Deviations from Ideal Behavior
Chapter Perspective
For Review and Reference
Problems
6 Thermochemistry: Energy Flow and Chemical Change
6.1 Forms of Energy and Their Interconversion
The System and Its Surroundings
Energy Flow to and from a System
Heat and Work: Two Forms of Energy Transfer
The Law of Energy Conservation
Units of Energy
State Functions and the Path Independence of the Energy Change
6.2 Enthalpy: Heats of Reaction and Chemical Change
The Meaning of Enthalpy
Comparing ¿E and ¿H
Exothermic and Endothermic Processes
Some Important Types of Enthalpy Change
6.3 Calorimetry: Laboratory Measurement of Heats of Reaction
Specific Heat Capacity
The Practice of Calorimetry
6.4 Stoichiometry of Thermochemical Equations
6.5 Hess’s Law of Heat Summation
6.6 Standard Heats of Reaction (¿Hrxn0)
Formation Equations and Their Standard Enthalpy Changes
Determining ¿Hrxn0 from ¿Hf0 Values of Reactants and Products
Chemical Connections to Environmental Science: The Future of Energy Use
Chapter Perspective
For Review and Reference
Problems
7 Quantum Theory and Atomic Structure
7.1 The Nature of Light
The Wave Nature of Light
The Particle Nature of Light
7.2 Atomic Spectra
The Bohr Model of the Hydrogen Atom
Limitations of the Bohr Model
The Energy States of the Hydrogen Atom
Tools of the Laboratory: Spectrophotometry in Chemical Analysis
7.3 The Wave-Particle Duality of Matter and Energy
The Wave Nature of Electrons and the Particle Nature of Photons
The Heisenberg Uncertainty Principle
7.4 The Quantum-Mechanical Model of the Atom
The Atomic Orbital and the Probable Location of the Electron
Quantum Numbers of an Atomic Orbital
Shapes of Atomic Orbitals
Energy Levels of the Hydrogen Atom
Chapter Perspective
For Review and Reference
Problems
8 Electron Configuration and Chemical Periodicity
8.1 Development of the Periodic Table
8.2 Characteristics of Many-Electron Atoms
The Electron-Spin Quantum Number
The Exclusion Principle
Electrostatic Effects and the Energy-Level Splitting
8.3 The Quantum-Mechanical Model and the Periodic Table
Building Up Periods 1 and 2
Building Up Period 3
Electron Configurations Within Groups
The First d-Orbital Transition Series: Building Up Period 4
General Principles of Electron Configurations
Unusual Configurations: Transition and Inner Transition Elements
8.4 Trends in Three Key Atomic Properties
Trends in Atomic Size
Trends in Ionization Energy
Trends in Electron Affinity
8.5 Atomic Structure and Chemical Reactivity
Trends in Metallic Behavior
Properties of Monatomic Ions
Chapter Perspective
For Review and Reference
Problems
9Models of Chemical Bonding
9.1 Atomic Properties and Chemical Bonds
The Three Types of Chemical Bonding
Lewis Electron-Dot Symbols: Depicting Atoms in Chemical Bonding
9.2 The Ionic Bonding Model
Energy Considerations in Ionic Bonding: The Importance of Lattice Energy
Periodic Trends in Lattice Energy
H ow the Model Explains the Properties of Ionic Compounds
9.3 The Covalent Bonding Model
The Formation of a Covalent Bond
Properties of a Covalent Bond: Bond Energy and Bond Length
How the Model Explains the Properties of Covalent Compounds
Tools of the Laboratory: Infrared Spectroscopy
9.4 Bond Energy and Chemical Change
Changes in Bond Strength: Where Does ¿Hrxn0 Come From?
Using Bond Energies to Calculate ¿Hrxn0
Relative Bond Strengths in Fuels and Foods
9.5 Between the Extremes: Electronegativity and Bond Polarity
Electronegativity
Polar Covalent Bonds and Bond Polarity
The Partial Ionic Character of Polar Covalent Bonds
The Continuum of Bonding Across a Period
9.6 An Introduction to Metallic Bonding
The Electron-Sea Model
How the Model Explains the Properties of Metals
Chapter Perspective
For Review and Reference
Problems
10The Shapes of Molecules
10.1 Depicting Molecules and Ions with Lewis Structures
Using the Octet Rule to Write Lewis Structures
Resonance: Delocalized Electron-Pair Bonding
Formal Charge: Selecting the Most Important (?) Resonance Structure
Lewis Structures for Exceptions to the Octet Rule
10.2 Valence-Shell Electron-Pair Repulsion (VSEPR) Theory and Molecular Shape
Electron-Group Arrangements and Molecular Shapes
The Molecular Shape with Two Electron Groups (Linear Arrangement)
Molecular Shapes with Three Electron Groups (Trigonal Planar Arrangement)
Molecular Shapes with Four Electron Groups (Tetrahedral Arrangement)
Molecular Shapes with Five Electron Groups (Trigonal
Bipyramidal Arrangement)
Molecular Shapes with Six Electron Groups (Octahedral Arrangement)
Using VSEPR Theory to Determine Molecular Shape
Molecular Shapes with More Than One Central Atom
Gallery: Molecular Beauty: Odd Shapes with Useful Functions
10.3 Molecular Shape and Molecular Polarity
Bond Polarity, Bond Angle, and Dipole Moment
The Effect of Molecular Polarity on Behavior
Chapter Perspective
Chemical Connections in Sensory Physiology: Molecular Shape, Biological Receptors, and the Sense of Smell
For Review and Reference
Problems
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