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Introduction: The Ambit of Chemistry
What Chemists Do
Handling Large and Small Numbers
The International System of Units (SI)
SI Prefixes
Measurements, Quantities, and Unity Factors
Errors in Measurements
Volume
Density
Conversion Factors and Functions
Atoms, Molecules, and Chemical Reactions
Macroscopic Properties and Microscopic Models
The Atomic Theory
Macroscopic and Microscopic Views of a Chemical Reaction
Testing the Atomic Theory
Atomic Weights
The Amount of Substance: Moles
The Mole
The Amount of Substance
The Avogadro Constant
The Molar Mass
Formulas and Composition
Balancing Chemical Equations
Using Chemical Equations in Calculations
Equations and Mass Relationships
The Limiting Reagent
Percent Yield
Analysis of Compounds
Thermochemistry
Energy
Thermochemical Equations
Hess' Law
Standard Enthalpies of Formation
Solution Concentrations
Diluting and Mixing Solutions
Titrations
The Structure of Atoms
Groups of Related Elements
The Periodic Table
Valence
Exceptions to the Periodic Law
Implications of Periodicity for Atomic Theory
The Nuclear Atom
Radiation
The Electron
The Nucleus
Atomic Structure and Isotopes
Isotopes
Transmutation and Radioactivity
Average Atomic Weights
Measurement of Atomic Weights
The Electronic Structure of Atoms
Electrons and Valence
Lewis Diagrams
The Wave Nature of the Electron
Wave Mechanics
The Uncertainty Principle
Electron Waves in the Hydrogen Atom
Orbitals
Quantum Numbers
Coulomb's Law
Potential Energy
Electron Density and Potential Energy
Atoms Having More Than One Electron
Hydrogen, Helium, Lithium
Beryllium, Boron, Carbon
Electron Configurations
Electron Configurations and the Periodic Table
Chemical Bonding - Electron Pairs and Octets
Ionic Bonding
Energy and the Formation of Ions
The Ionic Crystal Lattice
Ions and Noble-Gas Electron Configurations
Periodic Variation of IE and EA
Ionization Energies
Ionization of Transition and Inner Transition Elements
Electron Affinities
Binary Ionic Compounds and Their Properties
The Octet Rule
Physical Properties
Chemical Properties
The Covalent Bond
Covalent Molecules and the Octet Rule
Writing Lewis Structures for Molecules
Polyatomic Ions
Ionic Compounds Containing Polyatomic Ions
Atomic Sizes
Ionic Sizes
Further Aspects of Covalent Bonding
Exceptions to the Octet Rule
The Shapes of Molecules
Molecules with Lone Pairs
Multiple Bonds and Molecular Shapes
Hybrid Orbitals
Orbital Descriptions of Multiple Bonds
Sigma and Pi Bonds
Polarizability
Polar Covalent Bonds
Electronegativity
Polarity in Polyatomic Molecules
Formal Charge and Oxidation Numbers
Resonance
Properties of Organic Compounds and Other Covalent Substances
Covalent Compounds and Intermolecular Forces
Dipole Forces
London Forces
Organic Compounds: Hydrocarbons
Alkanes
Cycloalkanes
Properties of Alkanes
Aromatic Hydrocarbons
Unsaturated Hydrocarbons
Hydrogen Bonding: Water
Ice and Water
Organic Compounds-Some Additional Classes
Alcohols
Ethers
Aldehydes and Ketones
Carboxylic Acids
Esters
Organic Nitrogen Compounds
Macromolecular Substances
Diamond and Graphite
Silicon Dioxide
Synthetic Macromolecules: Some Applied Organic Chemistry
Addition Polymers
Condensation Polymers
Cross-Linking
Gases
Properties of Gases
Pressure
Measurement of Pressure
Gas Laws
Avogadro's Law
Boyle's Law
Charles's Law
Gay-Lussac's Law
The Ideal Gas Equation
The Law of Combining Volumes
Dalton's Law of Partial Pressures
Postulates of the Kinetic Theory
The Total Molecular Kinetic Energy
Molecular Speeds
Graham's Law of Diffusion
The Distribution of Molecular Speeds
Deviations from the Ideal Gas Law
Solids, Liquids and Solutions
Solids
Lattices and Unit Cells
Crystal Systems
Closest-Packed Structures
Liquids
Viscosity
Amorphous Materials: Glasses
Phase Transitions
Enthalpy of Fusion and Enthalpy of Vaporization
Vapor-Liquid Equilibrium
Boiling Point
Critical Temperature and Pressure
Phase Diagrams
Solutions
Saturated and Supersaturated Solutions
Miscibility
Measuring the Composition of a Solution
Solubility and Molecular Structure
Raoult's Law
Chromatography
Colligative Properties of Solutions
Boiling and Freezing Points
Osmotic Pressure
Colloids
Reactions in Aqueous Solutions
Ions in Solution (Electrolytes)
Precipitation Reactions
Hydration of Ions
Hydrogen and Hydroxide Ions
Acid-Base Reactions
Acids
Bases
Strong Acids and Bases
Weak Acids
Weak Bases
Amphiprotic Species
Conjugate Acid-Base Pairs
Lewis Acids and Bases
Redox Reactions
Oxidation Numbers and Redox Reactions
Balancing Redox Equations
Common Oxidizing Agents
Common Reducing Agents
Substances Which Are Both Oxidizing and Reducing Agents
Redox Couples
Chemistry of the Representative Elements
Group IA: Alkali Metals
Group IIA: Alkaline Earths
Group IIIA
Group IVA
Group VA
Group VIA: Chalcogens
Group VIIA: Halogens
Group VIIIA: Noble Gases
Chemical Equilibrium
The Equilibrium State
The Equilibrium Constant
The Law of Chemical Equilibrium
The Equilibrium Constant in Terms of Pressure
Calculating the Extent of a Reaction
Successive Approximation
Predicting the Direction of a Reaction
The Effect of a Change in Pressure
The Effect of a Change in Temperature
Effect of Adding a Reactant or Product
The Molecular View of Equilibrium
Ionic Equilibria in Aqueous Solutions
Ionization of Water
pH and pOH
The pH of Solutions of Weak Acids
The pH of Solutions of Weak Bases
Polyprotic Acids and Bases
Conjugate Acid-Base Pairs and pH
Buffer Solutions
Indicators
Titration Curves
The Solubility Product
The Common-Ion Effect
The Solubilities of Salts of Weak Acids
Thermodynamics: Atoms, Molecules and Energy
Heat Capacities
Heat Capacity and Microscopic Changes
Internal Energy
Thermodynamic Terms and Conventions
Enthalpy
Measuring the Enthalpy Change
State Functions
Standard Pressure
Bond Enthalpies
Bond Enthalpies and Exothermic or Endothermic Reactions
Fossil Fuels and the Energy Crisis
Photosynthesis
Entropy and Spontaneous Reactions
Spontaneous Processes and Molecular Probability
Atoms, Molecules, and Probability
Rates of Spontaneous Processes
Thermodynamic Probability W and Entropy
Getting Acquainted with Entropy
Standard Molar Entropies
Dependence of S on Molecular Structure
Some Trends In Entropy Values
Entropy Changes in Gaseous Reactions
Entropy, Randomness, and Disorder
Measuring the Entropy
Including the Surroundings
The Free Energy
Maximum Useful Work
Equilibrium Constants Revisited
Electrochemical Cells
Electrolysis
Electrolysis of Brine
Aluminum Production
Refining of Copper
Electroplating
Quantitative Aspects of Electrolysis
Galvanic Cells
Cell Notation and Conventions
Electromotive Force of Galvanic Cells
Storage Batteries
Fuel Cells
Galvanic Cells and Free Energy
Cells at Non-Standard Conditions
Chemical Kinetics
The Rate of Reaction
The Rate Equation
Microscopic View of Chemical Reactions
Unimolecular Processes
Bimolecular Processes
Termolecular Processes
Reaction Mechanisms
Increasing the Rate of a Reaction
The Effect of Temperature
Catalysis
Heterogeneous Catalysis
Enzymes
Nuclear Chemistry
Naturally Occurring Radioactivity
Radioactive Series
Artificially Induced Nuclear Reactions
Bombardment with Positive Ions
Neutron Bombardment
Further Modes of Decay
Nuclear Stability
The Rate of Radioactive Decay
Instruments for Radiation Detection
Units of Radiation Dose
Uses of Artificial Isotopes
Mass-Energy Relationships
Nuclear Fission
Nuclear Power Plants
Breeder Reactors
Nuclear Fusion
Molecules in Living Systems
The Elements of Life
The Building Blocks of Biochemistry
Fats and Lipids
Nonpolar Lipids
Polar Lipids
Carbohydrates
Simple Sugars
Disaccharides
Polysaccharides
Proteins
Polypeptide Chains
The Amino Acids
Primary Protein Structure
Secondary Protein Structure
Higher-Order Structure
Nucleic Acids
Nuceic Acid Structure
The Double Helix
Information Storage
DNA Replication
Transcription and Translation
Spectra and Structure of Atoms and Molecules
The Nature of Electromagnetic Radiation
Atomic Spectra and the Bohr Theory
Bohr Theory of the Atom
The Spectra of Molecules: Infrared
The Visible and Ultraviolet Spectra of Molecules: Molecular Orbitals
Molecular Orbitals
Delocalized Electrons
Conjugated Systems
Metals
Metallic Bonding
Metallurgy
Beneficiation
Reduction of Metals
Refining of Metals
Corrosion
Coordination Compounds
Geometry of Complexes
Chelating Agents
Transitional Metal Ions in Aqueous Solutions
Quick Resources
Glossary
Physical Constants
Atomic Radii and Ionic Radii
General Rules for Predicting Electron Configurations
Ground State Electron Configurations
Covalently Bonded Polyatomic Ions
Table of Electronegativities
Rules for Finding Oxidation Numbers
Postulates of the Kinetic Theory of Gases
Ionization Energies and Electron Affinities
Table of Some Standard Enthalpies of Formation at 25°C
Table of Molar Enthalpies of Fusion and Vaporization
Table of Standard Molar Entropies
Series of Oxidation Activity for Some Common Metals
Table of Solubility Products for Some Sparingly Soluble Salts at 25°C
Table of Some Standard Free Energies of Formation at 298.15 K (25°C)
Table of Standard Reduction Potentials
Table of Acid and Base Constants
Periodic Table Live!
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Term of the Day
thermal conductivity
The ability of a
substance
A material that is either an element or that has a fixed ratio of elements in its chemical formula.
to transfer
energy
A system's capacity to do work.
by heating another substance.
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Before You Begin
Chemistry 104, Lecture 3, Spring 2011
Chemistry 104, Lecture 3, Spring 2013
Chemistry 109, Lectures 1 and 2, Fall 2011
Chemistry 109, Lectures 1 and 2, Fall 2012
Creating and Editing a ChemPath
From Waves to Orbitals
General Chemistry Review for Quantitative Analysis
General Chemistry Textbook
General Chemistry Textbook
How To Use This Site
ICC Chemsitry
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Just In Time POGIL Book
Justin's Awesome ChemPath
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The Ubiquity of Dimensional Analysis
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