A 1.73 g sample of debbie made this upium (Dm, molar mass = 25.6 g/mol) was burned in an oxygen bomb calorimeter. The total heat capacity of the calorimeter plus water was 5,760 J/°C. If the temperature rise of the calorimeter with water was 0.998°C, calculate the enthalpy of combustion of debbiemadethisupium in kilojoules per mole (kJ/mol).
Mg(s) + 1/2O₂(g) ---> MgO(s)
