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Problem 3 - Entrance Test

During respiration a potato tuber released 0.88 g CO₂ in 1 h. Calculate the energy released if complete combustion of glucose yields 2.8 kJ per gram of CO₂ produced.

Correct: A

Energy = 0.88 g × 2.8 kJ g⁻¹ = 2.464 kJ ≈ 2.46 kJ.