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Advanced · Exam-Type Mastery

The main event, taught from scratch. Every recurring ASO question type — moles, VSEPR, redox, equilibrium, the titration monster — taught from zero with basic practice, real past-papers and similar drills. Locks down Part A and the big analysis question (about half the exam). Step 2 of the ASO pathway.

Section A — Quantitative Chemistry & Bonding

  • Lesson 1: The mole, Avogadro's number & molar mass — free preview
  • Lesson 2: Mass ↔ mole ↔ particle conversions — free preview
  • Lesson 3: Percentage composition, empirical & molecular formula — free preview
  • Lesson 4: Molar volume & gas-volume calculations
  • Lesson 5: Concentration & dilution
  • Lesson 6: Limiting & excess reagents
  • Lesson 7: Limiting reagent — multi-reactant, multi-select & excess-ion
  • Lesson 8: Percentage Composition — Deducing the Compound & Reverse Stoichiometry
  • Lesson 9: Stoichiometry — practice & past-papers
  • Lesson 10: Lewis structures & formal charge
  • Lesson 11: VSEPR — molecular shapes & bond angles
  • Lesson 12: Polarity, intermolecular forces & boiling-point ranking
  • Lesson 13: Bonding — practice & past-papers
  • Lesson 14: Review 1
  • Lesson 15: Test 1

Section B — Periodic, Redox & Acid–Base

  • Lesson 16: Electron configuration & valence electrons
  • Lesson 17: Periodic trends — atomic radius & electronegativity
  • Lesson 18: Ionisation energy & successive-IE jumps
  • Lesson 19: Periodic & atomic — practice & past-papers
  • Lesson 20: Oxidation numbers
  • Lesson 21: Balancing redox half-equations
  • Lesson 22: Galvanic & electrolytic cells; Faraday's law
  • Lesson 23: Redox & electrochemistry — practice & past-papers
  • Lesson 24: Acid–base reactions, salts & indicators
  • Lesson 25: pH & Ka — weak acids
  • Lesson 26: Buffers & titration curves
  • Lesson 27: Acid–base — practice & past-papers
  • Lesson 28: Review 2
  • Lesson 29: Test 2

Section C — Equilibrium, Organic & Analysis

  • Lesson 30: Chemical equilibrium & Le Chatelier
  • Lesson 31: Equilibrium constant Kc/Kp & calculations
  • Lesson 32: Thermochemistry — enthalpy & Hess's law
  • Lesson 33: Entropy, Gibbs free energy & spontaneity
  • Lesson 34: Reaction kinetics & Arrhenius
  • Lesson 35: Equilibrium, energy & kinetics — practice & past-papers
  • Lesson 36: Functional groups, naming & structural isomers
  • Lesson 37: Stereoisomers
  • Lesson 38: Organic reactions & skeletal formulae
  • Lesson 39: Organic — practice & past-papers
  • Lesson 40: Titration & equivalence point
  • Lesson 41: Back-titration & difference methods
  • Lesson 42: Gravimetric analysis & standard addition
  • Lesson 43: Dependency chains, reverse-engineering & the analysis monster
  • Lesson 44: Analytical — practice & past-papers
  • Lesson 45: Review 3
  • Lesson 46: Test 3

Optional Extension

  • Lesson 47: Physical chemistry extension
  • Lesson 48: The hardest past-paper challenge set

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