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The heat of reaction for, C(10)H(8(s))+1...

The heat of reaction for, `C_(10)H_(8(s))+12O_(2(g)) rarr 10CO_(2(g))+4H_(2)O_((l))` at constant volume is `-1228.2 kcal` at `25^(@)C`. Calculate the heat of reaction at constant pressure at `25^(@)C`.

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The correct Answer is:
`-1229.392kcal;`
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