1.

Enthalpy of formation of SO_(2) is 298 kJ calculate combustion enthalpy of 4 gm S.

Answer»

`+37` kJ
`-37.25` kJ
`+298` kJ
`18.6` kJ

Solution :ENTHALPY of combustion of 32 GM `S=-298` kJ
`therefore` Enthalpy of combustion of 4 gm `S=(-298 XX 4)/( 32)`
`=-37.25` kJ


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