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The difference between the heats of reac...

The difference between the heats of reaction at constant pressure and a constant volume for the reaction `2C_(6)H_(6)(l) + 15O_(2)(g) rarr 12CO_(2)(g) + 6H_(2)O(l)` at `25^(@)C` in `kJ` is

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The correct Answer is:
7.43
`DeltaH - DeltaU = Delta nRT = 3 xx 8.314 xx 298 = -7432 J = -7.43 kJ`.
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