The Combustion of a 3

The combustion of a 3.06 g sample of formic acid (H CO₂ H( ) , molar mass = 46.03 g/mol) in a bomb calorimeter with a heat capacity of 5.423 J/ C causes the temperature to rise from 23.27 C to 26.41 C. What is D E for the reaction?
2 H CO₂ H ( ) + O₂(g) 2 CO₂ (g) + 2 H₂ O ( )

A) - 5.56 kJ
B) - 17.0 kJ
C) - 256 kJ
D) - 512 kJ
E) none of these