Combustion of 3

Multiple Choice

Combustion of 3.65 g of liquid benzene (C₆H₆) causes a temperature rise of 21.1°C in a constant-pressure calorimeter that has a heat capacity of 7.23 kJ/°C.What is ΔH for the following reaction?
C₆H₆(l) + O₂(g) → 6CO₂(g) + 3H₂O(l)

A) 150 kJ/mol
B) 41.8 kJ/mol
C) -41.8 kJ/mol
D) -3.27× 10³ kJ/mol
E) 152 kJ/mol