ChemClassics: Elements of Change (1976)

Inverse vs. Direct Relationships: Quick & Easy (for Algebra or Science, Worksheet Included)

Partial Pressure & Mole Fractions: Beginner to Expert in 14 min! (Worksheet Included)

Identifying Functional Groups in Drugs (and Other Molecules), Part 2

Identifying Functional Groups in Drugs (and Other Molecules), Part 1

Stoichiometry Review, Part 2: Mass and Gas Stoich

Stoichiometry Review, Part 1: Mass to Mass

Hybridization in Organic Compounds using VSEPR Theory: sp³, sp², and sp

What are Valence and Shielding Electrons? Beginner to Expert in 4 Minutes!

Formal Charge (and Valence Electrons): The Fastest, Easiest Way, Guaranteed!

Molecular vs Empirical Formulas: An Introduction

Binary Covalent Compounds: Name to Formula

What are Binary Covalent Compounds? Naming Covalent (Molecular) Compounds

What's Density & Why Does Stuff Float? Density in 3 Minutes!

Henderson-Hasselbalch Equation Derivation: Connecting Chemistry and Math

Molarity vs. Molality: The Difference (and Why Molality Exists)

Molarity: Introduction and Practice in Just 5 Minutes!

Acids, Bases, and the pH Scale: A Molecular, Visual Introduction

Calculating pH of Weak Acids: The Easiest, Fastest Method

Calculating pH, pOH, [H+] and [OH-] for Acids and Bases: Conversions & Practice

Strong Acids: pH, pOH, and Hydrogen Ion Calculations

Strong vs. Weak Acids: What's the Difference? Ka and pKa the Easy Way

How to Name Acids: Beginner to Expert in Just 8 Minutes

Partial Pressure and Mole Fraction: Gas Mixtures' Proportional Quantities

Endothermic vs. Exothermic Changes & Basic Potential Energy Diagrams

Electron Orbital Diagrams: A Crash Course to Mastery (after Electron Configurations)

Interpreting a Heating Curve: Practice

Gas Density: How to Derive, Understand, and Use the Equation

Electron Configurations: The Ultimate 10 Minute Crash Course!

Drawing and Interpreting Isotope Diagrams (Bohr Models)

Isotopes & Subatomic Particles: Be an Expert in 12 Minutes!

Electromagnetic (Light) Wave Equations: Using Them Like A Pro! — Practice

Electromagnetic Waves and their Equations: Wavelength, Frequency, Energy

Chemical Nomenclature: Polyatomic Ions Mnemonic Device

The Combined Gas Law: A 3-for-1 Special

How to Convert Between Pressure Units: Prep for Gas Laws

Pressure Units are a Mess! Pressure and the Units to Know

Understanding Wave Speed, Wavelength, and Frequency: The Wave Equation (v=λf)

All About Waves in Just 5 Minutes: Types, Parts, and Wave Interference

Gas Variables, Constants. & Units: Prep for the Ideal Gas Law (PV=nRT)

The 4 Basic Gas Laws: A Quick Overview (Equations, Graphs, and Relationships)

Molar Conversions: Easier Than You Think! Step-by-Step Mixed Practice

Molar Conversions: Beginner to Expert in 10 Minutes (Diagram + Step-by-Step Examples)

Stoichiometry (The EASY Way): From Equation to Answer!

Stoichiometry and Limiting Reagents: A (Delicious) Introduction to the Concept

It's THIS Easy!? Reading a Heating Curve (Phase Change Diagram)

States of Matter and Phase Changes: Endothermic, Exothermic, and Absolute Zero

Molar Mass and Avogadro's Number: Counting the Uncountable

Calculating Molar Mass (the FUN and EASY Way!), Part 2 — Larger Particles

Calculating Molar Mass (the FUN and EASY Way!), Part 1 — Smaller Particles

Reading Skeletal Structures: Introduction (Organic Chemistry Fundamentals)

Dimensional Analysis is EASY, Part 3 — Area, Volume, and Ratios (Useful Math in Science)

Dimensional Analysis is EASY, Part 2 — Distance and Rate Examples (Useful Math in Science)

Dimensional Analysis is EASY, Part 1 — Conversion Factors and Intro (Useful Math in Science)

Algebra of Units and Their (Lowkey Weird) Notations (Useful Math in Science)

Reading Skeletal Line Structures (Organic Chemistry), Parts 2 & 3

Reading Skeletal Line Structures (Organic Chemistry), Part 1