Year 12 · SACE Stage 2
Managing resources
SACE Topic 4: energy, water, soil and materials calculations and classifications.
Subtopics
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Combustion equations and fuel energy
Balance fuel reactions and calculate energy per mole, gram and litre.
Not attempted8 questionsPhotosynthesis, fermentation and biodiesel
Apply carbon-cycle and biofuel-production equations.
Not attempted8 questionsFuel cells, hydrogen and direct electricity
Identify fuel-cell electrodes, half-equations and energy-source properties.
Not attempted8 questionsWater clarification, softening and desalination
Match dissolved and suspended contaminants to treatment rules.
Not attempted8 questionsChlorine chemistry and pH-dependent disinfection
Apply equilibrium and concentration rules to chlorine disinfectants.
Not attempted8 questionsSoil nutrients, silicates and ion exchange
Apply nutrient, ion-charge and soil-exchange rules.
Not attempted8 questionsPolymer links, cross-linking and biodegradability
Match monomers, repeating units and polymer structures to properties.
Not attempted8 questionsMetal extraction and electrolytic cells
Apply reactivity-series and electrode rules to metal production.
Not attempted8 questionsAqueous and molten electrolysis products
Select electrode products from supplied electrolyte and electrode conditions.
Not attempted8 questionsRecycling, composites and material efficiency
Apply material-separation, energy and recovery rules.
Not attempted8 questions