Question

An unknown fluid, of mass 0.952 is ignited in a 4-liter bomb calorimeter. Both the liquid inside the calorimeter and the calorimeter itself increased in temperature by 3.914K. Previously, the same calorimeter was calibrated using 1.951 grams of benzoic acid and both the water and the calorimeter increased in temperature by 8.209K. Assume that the density of the water inside the calorimeter is not temperature-dependent. Heat of combustion for benzoic acid is 3226kJ per gram.

a.Find the heat of combustion of the fluid.

b.Which compound releases more heat, the unknown fluid or benzoic acid?

Answer 1

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