Chemistry Unlocked
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Make chemistry finally make sense

From atomic structure to acid-base equilibria, Chemistry Unlocked gives high school and college students a rigorous, step-by-step foundation — built on clear logic, everyday analogies, and problem-solving practice that actually transfers to your exams and beyond.

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Chemistry Unlocked

My job isn't to get you through the exam — it's to make sure you actually understand why the chemistry works, because that's the knowledge that stays with you.Tracy Burke

What you'll learn

What you'll be able to do

  • Interpret the periodic table and predict element behavior using atomic structure and electron configuration
  • Balance chemical equations and apply stoichiometry to solve real reaction problems
  • Understand and calculate thermodynamic properties like enthalpy, entropy, and Gibbs free energy
  • Explain acid-base chemistry, pH, and buffer systems with confidence
  • Apply the gas laws and kinetic molecular theory to solve pressure, volume, and temperature problems
  • Analyze reaction kinetics and chemical equilibrium to predict how and why reactions proceed

How it works

A school that adapts to you

This isn't a set of static videos. Every lesson is generated live and tuned to where you actually are.

We learn your level

A quick placement check tailors your starting point so you're never bored or lost.

Lessons adapt as you go

Each lesson is written for your pace and your goal, adjusting as your skills grow.

Your AI coach keeps you moving

Checkpoints, feedback, and gentle nudges turn progress into a real result.

The curriculum

What's inside your school

6 modules · 28 lessons

1

Atomic Structure & the Periodic Table

Builds the foundational model of the atom and shows how electron configuration drives periodic trends and element behavior.

  • 1.1Inside the Atom: Protons, Neutrons & ElectronsIncluded
  • 1.2Electron Configuration & Orbital TheoryIncluded
  • 1.3Reading the Periodic TableIncluded
  • 1.4Periodic Trends: Size, Ionization Energy & ElectronegativityIncluded
  • 1.5Predicting Element Behavior & ReactivityIncluded
2

Chemical Bonding & Molecular Structure

Covers how and why atoms bond, and how molecular geometry influences physical and chemical properties.

  • 2.1Ionic vs. Covalent BondingIncluded
  • 2.2Lewis Structures & Formal ChargeIncluded
  • 2.3VSEPR Theory & Molecular GeometryIncluded
  • 2.4Polarity, Intermolecular Forces & Physical PropertiesIncluded
3

Chemical Reactions & Stoichiometry

Develops the language of chemical equations and the quantitative tools to solve real reaction problems.

  • 3.1Types of Chemical ReactionsIncluded
  • 3.2Balancing Chemical EquationsIncluded
  • 3.3The Mole Concept & Molar MassIncluded
  • 3.4Stoichiometric CalculationsIncluded
  • 3.5Limiting Reagents, Percent Yield & Solution StoichiometryIncluded
4

Gases, Kinetics & Equilibrium

Explores the behavior of gases, the speed of reactions, and the dynamic balance reached at equilibrium.

  • 4.1The Gas Laws: Boyle, Charles & Gay-LussacIncluded
  • 4.2The Ideal Gas Law & Kinetic Molecular TheoryIncluded
  • 4.3Reaction Rates & Factors That Affect ThemIncluded
  • 4.4Rate Laws & Reaction MechanismsIncluded
  • 4.5Chemical Equilibrium & the Equilibrium ConstantIncluded
  • 4.6Le Chatelier's PrincipleIncluded
5

Thermodynamics: Energy, Entropy & Spontaneity

Examines how energy flows in chemical reactions and what makes a reaction thermodynamically favorable.

  • 5.1Energy, Heat & Work in Chemical SystemsIncluded
  • 5.2Calorimetry & Hess's LawIncluded
  • 5.3Entropy & the Second Law of ThermodynamicsIncluded
  • 5.4Gibbs Free Energy & Reaction SpontaneityIncluded
6

Acids, Bases & Aqueous Equilibria

Covers acid-base theory, pH calculations, and buffer systems through clear models and practical problem-solving.

  • 6.1Acid-Base Theories: Arrhenius, Brønsted-Lowry & LewisIncluded
  • 6.2The pH Scale & Water AutoionizationIncluded
  • 6.3Strong vs. Weak Acids & Bases: Ka and KbIncluded
  • 6.4Buffers, the Henderson-Hasselbalch Equation & TitrationsIncluded

Who it's for

Is this you?

High School Chemistry Students

You're tackling general or AP Chemistry and need clear, logical explanations that go deeper than your textbook and actually prepare you for test day.

Pre-Med Hopefuls

You need a rock-solid chemistry foundation — stoichiometry, thermodynamics, acid-base chemistry — before the MCAT turns up the pressure.

College Gen-Chem Students

Lectures move fast and the problem sets are relentless — this school gives you the step-by-step conceptual grounding to keep up and actually understand what's happening.

STEM Career Changers

You're pivoting into a science-adjacent field and need to rebuild your chemistry knowledge from the ground up, rigorously and efficiently.

Curious Self-Learners

You never studied chemistry formally but want to understand how the molecular world works — this school gives you a complete, coherent foundation without the fluff.

Students Who Struggled Before

Chemistry didn't click the first time around — this school rebuilds the subject from first principles with the clarity and patience that was missing the first time.

Questions

Frequently asked

Your teacher

A note from your teacher

Tracy Burke

Tracy Burke

If you've ever stared at a chemistry problem and felt that sinking feeling — like everyone else in the room was handed a manual that you never received — I want you to know that feeling has nothing to do with your ability. It has everything to do with how chemistry is usually taught.

Chemistry gets a reputation for being brutal. Students memorize rules without understanding where they come from, crunch through equations without knowing what the numbers mean, and walk out of exams having passed (or not) without actually understanding the subject any better than when they walked in. That's not learning chemistry. That's surviving it. And the difference matters — because whether you're heading into medicine, engineering, environmental science, or just trying to satisfy a lifelong curiosity about how the physical world works, you deserve to actually understand this material.

That's what Chemistry Unlocked is built to do. Every topic in this school — from electron configuration and periodic trends all the way through Gibbs free energy, Le Chatelier's Principle, and the Henderson-Hasselbalch equation — is taught the same way: concept first, logic second, calculation third. You'll understand why atoms bond the way they do before you draw a single Lewis structure. You'll understand what entropy actually means before you calculate ΔS. You'll know why a buffer resists pH change before you ever apply the formula. That sequence isn't an accident — it's what makes the math stick.

I also want to be honest with you about what this school is: it's rigorous. I won't dumb down the material, because you don't need me to. What you need is for the material to be explained clearly, logically, and with enough patience that the "aha" moments come naturally. That's what I've worked hard to deliver here — explanations that treat you as an intelligent adult who is fully capable of mastering this subject, given the right scaffolding.

If you're a high school student heading into AP Chem, a college student navigating general chemistry, a pre-med hopeful building toward the MCAT, or a self-learner who simply wants to understand chemistry the way it was always meant to be understood — you are in the right place. Let's build this foundation together, one logical step at a time.

Tracy Burke

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  • 6 modules, 28 lessons
  • AI-adaptive lessons tuned to your level
  • Quizzes & checkpoints to lock in progress
  • Your own AI learning coach
  • Learn on any device, at your pace
  • Full access for as long as you're subscribed