From the D E Given for 25 ° C, Calculate

From the D E given for 25 ° C, calculate D H at the same temperature for the reaction:
2 N₂O (g) →2 N₂ (g) + O₂ (g) D E = - 161.62 kJ

A) - 159.14 kJ
B) - 161.62 kJ
C) - 164.10 kJ
D) - 166.58 kJ
E) none of these