IB skill practice

Evaluate fuels and combustion products

Syllabus-aligned Chemistry skill. Draft skills remain inactive until production seed coverage is added.

Paper 1, Paper 2 5 marks Difficulty 3

Compare combustion emissions

Two fuels in a green chemistry lesson release \(72\,\text{g}\) and \(59\,\text{g}\) of \(CO_2\) for the same useful energy. Calculate the emissions reduction. Use the energy diagram labels first, then calculate carefully. Enter the answer and choose the interpretation that matches the chemistry.

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