under constant-volume conditions the heat of combustion ofbenzoc acid (C 7 H 6 O

Question

under constant-volume conditions the heat of combustion ofbenzoc acid (C7H6O2) IS 26.42kJ/g. a 01.854-g sample of benzoic acid is burned in a bombcalorimeter. The temperature of the calorimeter is increasedfrom 25.02oC to 27.56oC. What is the totalheat capacity of the calorimeter. under constant-volume conditions the heat of combustion ofbenzoc acid (C7H6O2) IS 26.42kJ/g. a 01.854-g sample of benzoic acid is burned in a bombcalorimeter. The temperature of the calorimeter is increasedfrom 25.02oC to 27.56oC. What is the totalheat capacity of the calorimeter.

Explanation / Answer

We Know that :    The Combustion of the benzoic acid givesfollowing product.        C6H5COOH + 15/2 O2   ------->  7CO2 + 3 H2O + Energy           Q = m s t                =   26.42  KJ / g  x 0.1854gm   /   2.54 0C               s = 1.928 KJ / 0C

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