1.

The heat of combustion of ethanol determined by a bomb calorimeter is -670.48 kcalmol^-1 at 25^@C. What is triangleU at 25^@C for the reaction, C_2H_5OH(l)+3 O_2(g)rarr2CO_2+3H2O(g) is:

Answer»

`-335.24 KCAL`
`-669.28 kcal`
`-670.48 kcal`
`+670.48 kcal`

ANSWER :C


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