Lubbock Christian University
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- LCU: CHE 1305 - Introductory Chemistry
- 1: The Chemical World
- 1.1: The Scope of Chemistry
- 1.2: Chemicals Compose Ordinary Things
- 1.3: The Basic Units of Measurement
- 1.4: Taking Measurements
- 1.5: Scientific Notation - Writing Large and Small Numbers
- 1.6: Significant Figures - Writing Numbers to Reflect Precision
- 1.7: Problem Solving and Unit Conversions
- 1.8: Problem Solving and Unit Conversions
- 1.9: Solving Multistep Conversion Problems
- 1.10: Density
- 2: Atoms
- 3: Isotopes
- 3.1: Isotopes - When the Number of Neutrons Varies
- 3.2: Atomic Mass: The Average Mass of an Element’s Atoms
- 3.3: The Discovery of Radioactivity
- 3.4: The Effects of Radiation on Life
- 3.5: Types of Radioactivity - Alpha, Beta, and Gamma Decay
- 3.6: Natural Radioactivity and Half-Life
- 3.7: Radiocarbon Dating: Using Radioactivity to Measure the Age of Fossils and Other Artifacts
- 3.8: Radioactivity in Medicine
- 4: Ions
- 5: Periodic Table
- 6: Ionic Bonds
- 7: Covalent Bonds
- 7.1: Covalent Lewis Structures: Electrons Shared
- 7.2: A Molecular View of Elements and Compounds
- 7.3: Electronegativity and Polarity: Why Oil and Water Don’t Mix
- 7.4: Naming Molecular Compounds
- 7.5: Nomenclature Summary
- 7.6: Chemical Formulas: How to Represent Compounds
- 7.7: Formula Mass: The Mass of a Molecule or Formula Unit
- 7.8: Counting Molecules by the Gram
- 8: Matter Classification
- 8.1: What is Matter?
- 8.2: Classifying Matter According to Its State: Solid, Liquid, and Gas
- 8.3: Classifying Matter According to Its Composition
- 8.4: Differences in Matter: Physical and Chemical Properties
- 8.5: Changes in Matter: Physical and Chemical Changes
- 8.6: Conservation of Mass - There is No New Matter
- 9: Chemical Reactions
- 10: Amounts in Chemical Reactions
- 11: Energy
- 12: Gases
- 12.1: Kinetic Molecular Theory: A Model for Gases
- 12.2: Pressure: The Result of Constant Molecular Collisions
- 12.3: Boyle’s Law: Pressure and Volume
- 12.4: Charles’s Law: Volume and Temperature
- 12.5: Gay-Lussac's Law: Temperature and Pressure
- 12.6: Avogadro’s Law: Volume and Moles
- 12.7: The Combined Gas Law: Pressure, Volume, and Temperature
- 12.8: Mixtures of Gases: Why Deep-Sea Divers Breathe a Mixture of Helium and Oxygen
- 13: Concentration of Solutions
- 13.1: Solutions: Homogeneous Mixtures
- 13.2: Solutions of Solids Dissolved in Water: How to Make Rock Candy
- 13.3: Solutions of Gases in Water
- 13.4: Solution Concentration: Mass Percent
- 13.5: Solution Dilution
- 13.6: Solution Dilution
- 13.7: Aqueous Solutions and Solubility: Compounds Dissolved in Water
- 13.8: Ionic Equations - A Closer Look
- 14: Separation of Solutions
- 15: Acids and Bases
- 15.1: Acids: Properties and Examples
- 15.2: Bases: Properties and Examples
- 15.3: Acid and Base Indicators
- 15.4: Molecular Definitions of Acids and Bases
- 15.5: Acid–Base Titration
- 15.6: Strong and Weak Acids and Bases
- 15.7: Water - Acid and Base in One
- 15.8: The pH and pOH Scales - Ways to Express Acidity and Basicity
- 16: Reactions of Acids and Bases
- 1: The Chemical World