1.

use the thermodymanmic information : (1)/(2)N_(2)(g)+(1)/(2)O_(2)(g)DeltaH^(@)=90.4Kj//mol (1)/(2)N_(2)(g)+O_(2)(g) DeltaH^(@)=33.8KJ//mol 2NO_(2)(g)toN_(2)O_(4)(g) DeltaH^(@)=-58.0KJ//mol to Calcualate DeltaH^(@) Kj /mol for thereaction : 2NO_(2)(g)+O_(2)(g)toN_(2)O_(4)

Answer»

`-171.2`
`-114.6`
`114.6`
`171.2`

ANSWER :a


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