A Bomb Calorimeter Has a Heat Capacity of 2 $\times$ 10³ KJ/mol

A bomb calorimeter has a heat capacity of 2.47 kJ/K.When a 0.123-g sample of ethylene (C₂H₄) was burned in this calorimeter,the temperature increased by 2.50 K.Calculate the enthalpy change per mole of ethylene combusted.

A) -5.29 kJ/mol
B) -50.2 kJ/mol
C) -563 kJ/mol
D) -0.304 kJ/mol
E) -1.41 $\times$ 10³ kJ/mol