Assume each reaction is carried out in an open container. For which reaction will `DeltaH=DeltaU` ?

Assume each reaction is carried out in an open container. For which reaction will `DeltaH=DeltaU` ?
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Assume each reaction is carried out in an open container. For which reaction will `DeltaH=DeltaU` ? A. `H_(2)(g) ... `2CO(g)+O_(2)(g)rarr 2CO_(2)(g)`
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