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Enthalpy of combustion of C6 H(6(l)) at ...

Enthalpy of combustion of `C_6 H_(6(l))` at 298 K to yield `CO_(2(g)) and H_2 O_((l))` is `DeltaH = -781.1`kcal. Calculate `DeltaU`.

A

`-708.1`kcal/mol

B

`-780.2`kcal/mol

C

`-801.7`kcal/mol

D

`-810.7`kcal/mol

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The correct Answer is:
B
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