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 the reaction : `2NO_(2)(g)+O_(2)(g)toN_(2)O_(4)`A. `-171.2`B. `-114.6`C. `114.6`D. `171.2`

use the thermodymanmic information : `(1)/(2)N_(2)(g)+(1)/(2)O_(2)(g)D

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 the reaction : `2NO_(2)(g)+O_(2)(g)toN_(2)O_(4)`A. `-171.2`B. `-114.6`C. `114.6`D. `171.2`
Answer» Correct Answer - a

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