A 238 G Sample of Phenol (C₆H₆O,molar Mass = 94 $\mathrm { mol } ^ { - 1 }$

A 2.38 g sample of phenol (C₆H₆O,molar mass = 94.11 g $\mathrm { mol } ^ { - 1 }$ ) was combusted in a bomb calorimeter with a heat capacity of 6.65 kJ ${ } ^ { \circ } \mathrm { C } ^ { - 1 }$ .If the temperature increased from 23.8 °C to 35.4 °C,determine $D _ { \mathrm { r } }$ U for the combustion of phenol.

A) -8.19 × 10³ kJ mol^-1
B) -5.81 × 10³ kJ mol^-1
C) 4.87 × 10³ kJ mol^-1
D) -3.05 × 10³ kJ mol^-1
E) 2.41 × 10³ kJ mol^-1