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Year 12 Chemistry
Free interactive HSC Chemistry notes for NSW Year 12: equilibrium and acid reactions, acid/base reactions, organic chemistry and applying chemical ideas, with simulations, worked examples and exam-style questions marked against HSC-style marking guidelines.
- 1Pick a module below.
- 2Read and explore: every topic has worked examples, diagrams and a simulation you can experiment with.
- 3Test yourself: a quiz, calculations, sorting tasks and HSC-style extended responses you mark against a marking guideline.
These notes follow the four Year 12 modules of the NSW Chemistry syllabus (Modules 5 to 8), all examined in the HSC. Values match the HSC Chemistry data sheet. Tap Mark as mastered after each topic to track your progress on this device. No account needed.
Modules
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5 Equilibrium and Acid Reactions 10 sections
HSC Chemistry Module 5: static and dynamic equilibrium, enthalpy, entropy and Gibbs free energy, Le Chatelier's principle and collision theory, the equilibrium constant, ICE tables and colorimetry, dissolving ionic compounds, Aboriginal and Torres Strait Islander methods for removing toxins from food, and solubility products.
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6 Acid/Base Reactions 12 sections
HSC Chemistry Module 6: properties, naming and reactions of acids and bases, indicators, enthalpy of neutralisation, how the Arrhenius and Brønsted–Lowry models developed, conjugate pairs and amphiprotic species, pH, pOH, Kw, Ka and pKa, strong versus weak and concentrated versus dilute, titrations and titration curves, conductometric titrations, back titrations and buffers.
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7 Organic Chemistry 14 sections
HSC Chemistry Module 7: naming organic compounds to C8, isomers and molecular shape, functional groups and how intermolecular forces decide their properties, reactions of hydrocarbons and alcohols, enthalpy of combustion, fermentation and biofuels, esters, soaps and detergents, reaction pathways, and addition and condensation polymers.
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8 Applying Chemical Ideas 13 sections
HSC Chemistry Module 8: monitoring the environment, identifying cations and anions, gravimetric analysis, precipitation titrations, colorimetry, UV-visible spectrophotometry and AAS, tests for organic functional groups, mass spectrometry, infrared and NMR spectroscopy, identifying unknown compounds, and designing chemical syntheses for industry.