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For which reaction is DeltaH(rxn)^(@) e...

For which reaction is `DeltaH_(rxn)^(@)` equal to `DeltaH_(f)^(@)` for `CUSO_(4)(s)?`

A

`Cu^(2+)(aq)+SO_(4)^(2-)(aq)toCuSO_(4)(s)`

B

`CuO(s)+SO_(3)(g)toCuSO_(4)(s)`

C

`CuS(s)+SO_(2)(g)toCuSO_(4)(s)`

D

`Cu(s)+S(s)+2O_(2)(g)toCuSO_(4)(s)`

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The correct Answer is:
d
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