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 Accuracy & Precision Conversion Factors (Simplified) Dimensional Analysis Percentages 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 Thomson's Cathode Ray Tube Experiment Rutherford Gold Foil Experiment The Chadwick Neutron Experiment Wavelength and Frequency (Simplified) Electromagnetic Spectrum (Simplified) Bohr Model (Simplified) Emission Spectrum (Simplified) Emission Spectrum of Hydrogen 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 Functional Groups in Chemistry (Simplified)

Ch.4 Molecular Compounds

Covalent Bonds Ionic and Covalent Compounds 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) Average Bond Order (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) Batteries and Electricity (Simplified) Corrosion Electrolysis of Water & Mixture of Ions

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 Internal Energy (Simplified) Endothermic & Exothermic Reactions Bond Energy Thermochemical Equations Heat Capacity Thermal Equilibrium (Simplified) Fuel Value Hess's Law Energy and Our World Rate of Reaction Energy Diagrams Catalyst Rate Law (Simplified) Chemical Equilibrium The Equilibrium Constant Le Chatelier's Principle The Reaction Quotient (Simplified) Solubility Product Constant (Ksp) Spontaneous Reaction Entropy (Simplified) Gibbs Free Energy (Simplified)

Ch.8 Gases, Liquids and Solids

Pressure Units Manometer 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 STP Conversions Dalton's Law: Partial Pressure (Simplified) The Ideal Gas Law: Molar Mass (Simplified) The Ideal Gas Law: Density (Simplified) Gas Stoichiometry Collecting Gas Over Water Intermolecular Forces (Simplified) Intermolecular Forces and Physical Properties Atomic, Ionic and Molecular Solids Heating and Cooling Curves Structure and Properties of Water

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 Conjugate Acids and Bases Ka and Kb Diprotic and Polyprotic Acids The pH Scale Amphoteric (Simplified) 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) Acid-Base Stoichiometry

Ch.11 Nuclear Chemistry

Types of Radiation Alpha Decay Beta Decay Gamma Emission Electron Capture Positron Emission Decay Series Stability of Isotopes Radioactive Half-Life Measuring Radioactivity Nuclear Transmutation Mass Defect

Explore Textbooks

General, Organic and Biochemistry

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Basics of General, Organic, and Biological Chemistry

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Introductory Chemistry: An Active Learning Approach

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General, Organic and Biochemistry

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Essentials of General, Organic, and Biochemistry

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Chemistry for Changing Times

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Fundamentals of GOB

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Basics of Chemistry: General, Organic and Biological

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Chemistry for Today: General, Organic, and Biochemistry

Seager • 9th Edition

General, Organic, & Biological Chemistry

Smith • 3rd Edition

General, Organic, & Biological Chemistry

Smith • 4th Edition

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General, Organic, & Biological Chemistry

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Introduction to Chemical Principles

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General, Organic and Biological Chemistry: Structures of Life

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General, Organic and Biological Chemistry: Structures of Life

Timberlake • 6th Edition

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Chemistry: An Introduction to General, Organic and Biological Chemistry

Timberlake • 12th Edition

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Chemistry: An Introduction to General, Organic, and Biological Chemistry

Timberlake • 13th Edition

Chemistry: An Introduction to General, Organic, and Biological Chemistry

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Introductory Chemistry

Tro • 6th Edition

Introductory Chemistry

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Introductory Chemistry: A Foundation

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Introductory Chemistry: A Foundation

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