1.

Given C+ 2S rarr CS_(2), DeltaHf^(0) = +117.0 KJ mol^(-1), C + O_(2) rarr CO_(2), DeltaHf^(0)= -393.0 KJ mol^(-1) S + O_(2) rarr SO_(2), DeltaHf^(0) = -297.0 KJ mol^(-1). The heat of combustion of CS_(2) + 3O_(2) rarr CO_(2) + 2SO_(2) is

Answer»

`-807 KJ MOL^(-1)`
`-1104KJ mol^(-1)`
`+1104KJ mol^(-1)`
`+807 KJ mol^(-1)`

ANSWER :B


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