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` isA. `-7.43`B. `+3.72`C. `-3.72`D. `+7.43`

The difference between the heats of reaction at constant pressure and

1.	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` isA. `-7.43`B. `+3.72`C. `-3.72`D. `+7.43`
Answer» `2C_(6)H_(6)(l) +15O_(2) rarr 12CO_(2)(g) +6H_(2)O(l)` `DeltaH = DeltaE +Deltan_(g)RT` `DeltaH - DeltaE = Deltan_(g)RT` `Deltan_(g) = 12 - 15 =- 3` `DeltaH - DeltaE =- 3 xx 8.314 xx 298 =- 7432.716 J`

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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` isA. `-7.43`B. `+3.72`C. `-3.72`D. `+7.43`

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