Greenhouse gases and climate evidence
Connect molecular absorption, Earth’s energy balance and evidence-based climate claims.
Loading personal best…Year 12 · SACE Stage 2
Monitoring the environment
SACE Topic 1: closed practice in climate chemistry, pollutant reactions and analytical measurements.
Subtopics
Ocean acidification and carbonate chemistry
Use pH, acid–base equations and equilibrium to explain carbonate vulnerability.
Loading personal best…Nitrogen oxides, ozone and catalytic converters
Trace atmospheric reactions and evaluate pollutant-control evidence.
Loading personal best…Concentration units and titration technique
Convert solution units and explain reliable volumetric measurements.
Loading personal best…Direct and back titration calculations
Use balanced equations, aliquots and excess-reagent measurements.
Loading personal best…Separation, retention and ion exchange
Explain TLC, GC, HPLC and ion-exchange evidence using molecular interactions.
Loading personal best…Retention standards and chromatogram data
Match standards to detected peaks and use supplied detector calibrations.
Loading personal best…Subshells and characteristic atomic spectra
Relate electron configurations and quantised transitions to element identification.
Loading personal best…Atomic absorption calibration and dilution
Quantify elements with standards, blanks and calibration graphs.
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