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Assume each reaction is carried out in a...

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

A

`H_(2)(g)+Br_(2)(g)to2HBr(g)`

B

`C(s)+2H_(2)O(g)to2H_(2)(g)+CO_(2)(g)`

C

`PCl_(5)(g)toPCl_(3)(g)+Cl_(2)(g)`

D

`2CO(g)+O_(2)(g)to2CO_(2)(g)`

Text Solution

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The correct Answer is:
A
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