Exactly 1.5 g of a fuel burns under conditions of constant pressure
and then again under conditions of constant volume. In measurement
A the reaction produces 25.9 kJ of heat, and in measurement
B the reaction produces 23.3 kJ of heat. Which measurement
(A or B) corresponds to conditions of constant pressure? Explain.
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Master Constant-Volume Calorimetry with a bite sized video explanation from Jules Bruno