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Determine DeltaH(rxn) for the reaction i...

Determine `DeltaH_(rxn)` for the reaction in KJ .`mol^(-1)`
`2NH_(3)(g)+(5)/(2)O_(2)(g)to2NO(g)+3H_(2)O(g).`

A

`-105.4`

B

`-226.3`

C

`-452.6`

D

`-6377.0`

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The correct Answer is:
c
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