TCE Chemistry Exam Predictors 2026

These are ATARMAxxing’s course-guide summaries. Review all required areas, including school assessments, practical work, performances or folios where applicable. Follow your course’s option rules.

Redox foundations

Oxidation is electron loss and reduction is electron gain. Use oxidation-state changes and balanced equations to identify both agents and show the electron transfer that supports the conclusion.

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Balancing in acidic solution

Build oxidation and reduction half-equations, balance atoms with H2O and H+, balance charge with electrons, then scale and add. Current course version 4e specifies H+(aq); it does not use hydride for acidic balancing.

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Reduction potentials and spontaneity

Use the electrochemical series as reduction potentials, compare compatible redox couples and calculate E°cell under standard conditions. Explain spontaneity through a positive cell potential and the species that accepts/donates electrons.

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Cells and circuit conventions

A galvanic cell couples oxidation and reduction through an external electron path and internal ion movement. Label anode/cathode, polarity, electrolyte and salt bridge precisely; show electrons travelling through the wire.

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Electrolysis and corrosion

Electrolysis applies external electrical energy to drive a non-spontaneous change; competing aqueous products depend on species, concentrations and electrode material. Corrosion is an electrochemical process that can be controlled by suitable barriers or sacrificial protection.

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Energy and enthalpy

Represent energy changes with consistent system boundaries, signs and energy profiles. Explain how bond changes relate to enthalpy and distinguish reaction enthalpy from activation energy.

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Calorimetry and experimental limits

Use q=mcΔT and supplied calibration terms to estimate heat transfer, then link energy to the amount reacting. Assess heat loss, assumptions, measurement precision and whether a temperature rise means the reaction or surroundings released heat.

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Kinetics and collision theory

Rate depends on effective collisions and activation energy. Temperature, concentration, pressure, surface area and catalysts affect collision frequency or the fraction of particles able to react in ways that can be explained from the model.

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Dynamic equilibrium and Kc

A closed reversible system at equilibrium has equal forward and reverse rates, not necessarily equal concentrations. Write Kc from the balanced equation and omit pure solids and liquids before substituting equilibrium concentrations.

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Equilibrium shifts and acid-base systems

Use Q relative to K and Le Chatelier's principle to predict a response to a changed condition, then distinguish rate from final position. Apply Brønsted-Lowry pairs, Ka, Kw, pH and titration evidence to the specific acid-base system.

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Periodic structure and trends

Electron configuration, effective nuclear attraction, shielding and distance explain periodic changes in properties. Use specific evidence to explain both general trends and the relevant exception.

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Gases and particle models

Kinetic molecular theory connects particle motion and collisions to pressure, volume and temperature. Apply the gas equations with kelvin and consistent pressure/volume units, while recognising ideal-gas assumptions and any supplied non-ideal context.

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Organic structure and nomenclature

Recognise functional groups and represent molecular structure with accepted formula conventions. IUPAC names and complete structural drawings communicate the same chemical identity without ambiguity.

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Organic reactions and synthesis

Functional groups determine characteristic reaction pathways; select reagents and conditions that produce the intended product. Explain how yield, purity and polymer structure depend on the route and process choices.

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Spectroscopy and properties

Treat IR and mass-spectrometry data as complementary evidence. Identify diagnostic features, test candidate structures against every relevant observation, and relate molecular polarity/intermolecular forces to physical properties where asked.

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Moles, equations and yield

Use a balanced equation to convert between amount of reactant and product, identify the limiting reagent, and compare actual with theoretical yield. Preserve units and explain what each calculated amount represents.

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Solutions and volumetric analysis

Relate amount, volume and concentration through a balanced reaction ratio. Include dilution, aliquot and titre relationships explicitly so the final concentration corresponds to the original sample.

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Gas and formula calculations

Use molar mass, composition and gas relationships to infer amounts or formulae. Convert temperature to kelvin, keep pressure and volume units compatible, and check integer atom ratios against the evidence.

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Energy, rate and equilibrium calculations

Select the relationship that matches the supplied quantities, show substitutions and interpret the result chemically. For equilibrium or rate work, check that calculated amounts remain possible and respond to any requested condition change.

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Electrochemical calculations

Connect potential, amount of electrons and electrical charge to the specified cell or electrolysis task. Use q=It and Faraday's constant with stoichiometric electron ratios, then report mass, current or time with units and suitable precision.

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Exam Predictors 2026

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