Calculate the change in heat energy for the following reaction.
2 C2H5OH(l) + 7 O2(g) ---> 4 CO2(g) + 6 H2O(l)

Use the following ΔH values:
C2H5OH(l) = -278 kJ/mol
CO2(g) = -393.5 kJ/mol
H2O(l) = -286 kJ/mol

Round your answer to the nearest whole number.
(10 points)
A.
2734 kJ/mol
B.
402 kJ/mol
C.
-402 kJ/mol
D.
-2734 kJ/mol