1.

Assume each reaction is carried out in an open container. For which reaction will `DeltaH` = `DeltaE` ?A. `H_(2)(g) + Br_(2)(g) → 2HBr(g)`B. `C(s) + 2H_(2)O(g) → 2H_(2)(g) + CO_(2)(g)`C. `PCl_(5)(g)→ PCl_(3)(g) + Cl_(2)(g)`D. `2CO(g)+O_(2)(g)to2CO_(2)(g)`

Answer» Correct Answer - A
For `H_(2)(g)+Br_(2)(g)to 2HBr(g)`
`thereforeDeltan_(g)=0
thereforeDeltaH=DeltaE+Deltan_(g) RT
impliesDeltaH=DeltaE`


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