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

Question

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

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