Benzoic acid 1.35 g, is reacted with oxygen in a constant volumecalorimeter to form H2 O (l) and CO2 (g) at 298 K. the mass of the water volume in the inner bath is1.376*103 g. The temperature of the calorimeter and itsconstant rises 3.11 K as a result of this reaction. Calculate thecalorimeter constant.

Question

Engineering

Tatiana Walter

25 May, 17:37

Benzoic acid 1.35 g, is reacted with oxygen in a constant volumecalorimeter to form H2 O (l) and CO2 (g) at 298 K. the mass of the water volume in the inner bath is1.376*103 g. The temperature of the calorimeter and itsconstant rises 3.11 K as a result of this reaction. Calculate thecalorimeter constant.

+3

Answers (1)

Know the Answer?

Josh Burns · Answer 1

Explanation:C7H6O2 + (15/2) O2 = > 3H2O + 7CO2 delH = Σ stoichiometric coefficient * enthalpy of formation delH = (7*-393.509 kJ/mol) + (3*-285.83 kJ/mol) - (15/2 * 0) - (1*-385.2 kJ/mol) delH = - 3226.853 kJ/mol benzoic acid ...