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Given the thermochemical equations: Br...

Given the thermochemical equations:
`Br_(2)(l)+Fe(g)to2BrF(g) DeltaH^(@)=-188KJ`
`Br_(2)(l)+3F_(2)(g)to2BrF_(3)(g) DeltaH^(@)=-768KJ`
detemine `DeltaH^(@)` for the reaction
`BrF(g)+F_(2)(g)toBrF_(3)(g)`

A

`-956KJ`

B

`-478KJ`

C

`-5820KJ`

D

`-290KJ`

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The correct Answer is:
d
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