1.

Wg of benzoic acid is completely burnt in bomb calorimeter in excess of O_2 so that KJ heat is released at 298K. Internal energy change for combustion of 1 mole benzoic acid (MW = M) will be (in KJ)

Answer»

`-Q`
`(-(QW))/(M)`
`(-(QM))/(W)`
`+Q`

ANSWER :C


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