4. Problem 7 (4 points) Benzene is an organic liquid that easily combusts in the presence of oxygen.

. The value of
∆H for the following reaction is -6535kJ. How many kJ of heat will be evolved during the combustion of 16.0 g of C6H6(l)? [Hint: see practice exam] 2C6H6(l) + 15O2(g) → 12CO2(g) + 6 H2O(l)
1.34 x 103
5.23 x 104
669
2.68 x 103
-6535