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Build the reasoning behind each equation, then practise using it when the wording changes. Arrive at your SAC with a method, not a memory of someone else's solution.
VCE Chemistry · Week 1
What mass of CO₂ forms when 1.00 kg of octane burns completely?
n(C8H18) = 1000 ÷ 114.0 = 8.77 mol
C8H18 : CO2 = 1 : 8,
so n(CO2) = 70.2 mol
m(CO2) = 70.2 × 44.0 = 3.09 kg
The extra mass comes from oxygen in the air.
01
Work through quantities, units and ratios step by step, then practise timed calculations.
02
Connect particle-level explanations to unfamiliar equilibrium and cell questions.
03
Build organic reaction maps and interpret spectra throughout the year, not just before the exam.
Units 3 and 4
VCE Chemistry · Week 1
What mass of CO₂ forms when 1.00 kg of octane burns completely?
n(C8H18) = 1000 ÷ 114.0 = 8.77 mol
C8H18 : CO2 = 1 : 8,
so n(CO2) = 70.2 mol
m(CO2) = 70.2 × 44.0 = 3.09 kg
The extra mass comes from oxygen in the air.
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Benjamin breaks calculations into quantities, units and mole ratios, then builds timed practice so your method holds up under pressure.
Yes. These topics are taught through worked problems and scientific explanations, with reaction pathways and spectroscopy revisited throughout the course.
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