The Combustion of 5

The combustion of 5.00 g of C₂H₆(g) , at constant pressure, releases 259 kJ of heat. Find Δ H for the reaction in kJ\g.
2 C₂H₆(g) + 7 O₂(g) → 4 CO₂(g) + 6 H₂O (l)

A) − 51.8 kJ\g
B) − 1295 kJ\g
C) − 1550 kJ\g
D) − 1667 kJ\g
E) − 3110 kJ\g