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For the combustion of 1 mole of liquid b...

For the combustion of 1 mole of liquid benzene at `27^(@)C` the heat of reaction at constant pressure is given by:
`C_(6)H_(6)(l)+(15)/(2)O_(2)(g)to6CO_(2)(g)+3H_(2) O(l),`
`DeltaH=-78kcal`
What would the be heat of reaction at constant volume?

A

`-78.0kcal`

B

`-78.9kcal`

C

`-77.1kcal`

D

`816.1Kcal`

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The correct Answer is:
c
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