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The heat of combustion of ethanol determ...

The heat of combustion of ethanol determined in a bomb calorimeter is `-670.48" Kcal mole"^(-1)" at "25^(@)C.` What is `triangleH" at "25^@C` for the combustion reaction?

A

`-269.24 kCal`

B

`-469 . 28 kCal`

C

`- 670 .48 k Cal`

D

`+770 .48 k Cal`

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