A 1.397 g sample of thymol,?

Question

A 1.397 g sample of thymol, C10H14O(s) (a preservative and a mold and mildew preventative), is burned in a bomb calorimeter assembly. The temperature increase is 11.23°C, and the heat capacity of the bomb calorimeter is 4.68 kJ/°C. What is the heat of combustion of thymol, expressed in kilojoules per mole of C10H14O?

Answer 1

Heat released by burning 1.397 g thymol is:
(11.23°C)*(4.68 kJ/°C) = 52.56 kJ
Molar mass of thymol is 120+14+16 = 150g/mol
Thus the final answer is:
52.56 kJ * 150/1.397 = 5.64x10^3 kJ/mol