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GOB Concept Videos

GOB Video Lessons

Concept, example, and practice videos to guide you through the topics in your specific textbook.

Ch.1 Matter and Measurements

What is Chemistry? The Scientific Method Classification of Matter States of Matter Physical & Chemical Changes Chemical Properties Physical Properties Intensive vs. Extensive Properties Temperature (Simplified) Scientific Notation SI Units (Simplified) Metric Prefixes Significant Figures (Simplified) Significant Figures: Precision in Measurements Significant Figures: In Calculations Conversion Factors (Simplified) Dimensional Analysis Density Specific Gravity Density of Geometric Objects Density of Non-Geometric Objects

Ch.2 Atoms and the Periodic Table

The Atom (Simplified) Subatomic Particles (Simplified) Isotopes Ions (Simplified) Atomic Mass (Simplified) Atomic Mass (Conceptual) Periodic Table: Element Symbols Periodic Table: Classifications Periodic Table: Group Names Periodic Table: Representative Elements & Transition Metals Periodic Table: Elemental Forms (Simplified) Periodic Table: Phases (Simplified) Law of Definite Proportions Atomic Theory Rutherford Gold Foil Experiment Wavelength and Frequency (Simplified) Electromagnetic Spectrum (Simplified) Bohr Model (Simplified) Emission Spectrum (Simplified) Electronic Structure Electronic Structure: Shells Electronic Structure: Subshells Electronic Structure: Orbitals Electronic Structure: Electron Spin Electronic Structure: Number of Electrons The Electron Configuration (Simplified) Electron Arrangements The Electron Configuration: Condensed The Electron Configuration: Exceptions (Simplified) Ions and the Octet Rule Ions and the Octet Rule (Simplified) Valence Electrons of Elements (Simplified) Lewis Dot Symbols (Simplified) Periodic Trend: Metallic Character Periodic Trend: Atomic Radius (Simplified)

Ch.3 Ionic Compounds

Periodic Table: Main Group Element Charges Periodic Table: Transition Metal Charges Periodic Trend: Ionic Radius (Simplified) Periodic Trend: Ranking Ionic Radii Periodic Trend: Ionization Energy (Simplified) Periodic Trend: Electron Affinity (Simplified) Ionic Bonding Naming Monoatomic Cations Naming Monoatomic Anions Polyatomic Ions Naming Ionic Compounds Writing Formula Units of Ionic Compounds Naming Ionic Hydrates Naming Acids

Ch.4 Molecular Compounds

Covalent Bonds Naming Binary Molecular Compounds Molecular Models Bonding Preferences Lewis Dot Structures: Neutral Compounds (Simplified) Multiple Bonds Multiple Bonds (Simplified) Lewis Dot Structures: Multiple Bonds Lewis Dot Structures: Ions (Simplified) Lewis Dot Structures: Exceptions (Simplified) Resonance Structures (Simplified) Valence Shell Electron Pair Repulsion Theory (Simplified) Electron Geometry (Simplified) Molecular Geometry (Simplified) Bond Angles (Simplified) Dipole Moment (Simplified) Molecular Polarity (Simplified)

Ch.5 Classification & Balancing of Chemical Reactions

Chemical Reaction: Chemical Change Law of Conservation of Mass Balancing Chemical Equations (Simplified) Solubility Rules Molecular Equations Types of Chemical Reactions Complete Ionic Equations Calculate Oxidation Numbers Redox Reactions Spontaneous Redox Reactions Balancing Redox Reactions: Acidic Solutions Balancing Redox Reactions: Basic Solutions Balancing Redox Reactions (Simplified) Galvanic Cell (Simplified)

Ch.6 Chemical Reactions & Quantities

Empirical Formula Molecular Formula Calculating Molar Mass Mole Concept Mass Percent Stoichiometry Limiting Reagent Percent Yield

Ch.7 Energy, Rate and Equilibrium

Nature of Energy First Law of Thermodynamics Endothermic & Exothermic Reactions Bond Energy Thermochemical Equations Heat Capacity Thermal Equilibrium (Simplified) Hess's Law Rate of Reaction Energy Diagrams Chemical Equilibrium The Equilibrium Constant Le Chatelier's Principle Solubility Product Constant (Ksp) Spontaneous Reaction Entropy (Simplified) Gibbs Free Energy (Simplified)

Ch.8 Gases, Liquids and Solids

Pressure Units Kinetic Molecular Theory The Ideal Gas Law The Ideal Gas Law Derivations The Ideal Gas Law Applications Chemistry Gas Laws Chemistry Gas Laws: Combined Gas Law Standard Temperature and Pressure Dalton's Law: Partial Pressure (Simplified) Gas Stoichiometry Intermolecular Forces (Simplified) Intermolecular Forces and Physical Properties Atomic, Ionic and Molecular Solids Heating and Cooling Curves

Ch.9 Solutions

Solutions Solubility and Intermolecular Forces Solutions: Mass Percent Percent Concentrations Molarity Osmolarity Parts per Million (ppm) Solubility: Temperature Effect Intro to Henry's Law Henry's Law Calculations Dilutions Solution Stoichiometry Electrolytes (Simplified) Equivalents Molality The Colligative Properties Boiling Point Elevation Freezing Point Depression Osmosis Osmotic Pressure

Ch.10 Acids and Bases

Acid-Base Introduction Arrhenius Acid and Base Bronsted Lowry Acid and Base Acid and Base Strength Ka and Kb The pH Scale Auto-Ionization pH of Strong Acids & Bases Acid-Base Equivalents Acid-Base Reactions Gas Evolution Equations (Simplified) Ionic Salts (Simplified) Buffers Henderson-Hasselbalch Equation Strong Acid Strong Base Titrations (Simplified)

Ch.11 Nuclear Chemistry

Types of Radiation Alpha Decay Beta Decay Gamma Emission Electron Capture Positron Emission Radioactive Half-Life Measuring Radioactivity

BONUS: Lab Techniques and Procedures

Laboratory Materials Experimental Error Distillation & Floatation Chromatography Filtration and Evaporation Extraction Test for Ions and Gases

BONUS: Mathematical Operations and Functions

Multiplication and Division Operations Addition and Subtraction Operations Power and Root Functions Power and Root Functions The Quadratic Formula

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