Bomb Calorimetry Question

Question

A 0.65 g sample of glucose (MW = 180. g/mol) is burned in a bomb calorimeter that has a heat capacity of 1.56 kJ/oC. The temperature of the calorimeter increases by 6.53oC. Calculate the molar heat of combustion of glucose using the data from this experiment. Since this experiment is carried out under conditions of constant volume, we are measuring ?E. Your answer should be in kJ/mol and entered to 3 sig. fig.

Answer 1

All of the heat generated by burning the glucose goes to warming the calorimeter.  Since you know the calorimeter's heat capacity, and its temperature change, you can figure out the amount of energy (heat) it absorbed from the glucose.  If this amount of heat came from a certain number of moles, and the system was not allowed to expand in volume, then you can calculate the amount of heat given off per mole of the glucose.  This will be, I believe, the molar heat of combustion.