1.

For which of the following reactions DeltaH is equal to DeltaU ?

Answer»

`2HI(G) HARR H_(2)(g)+I_(2)(g)`
`2NO_(2)(g) hArr N_(2)O_(4)(g)`
`N_(2)(g)+3H_(2)(g) hArr 2NH_(3)(g)`
`2SO_(2)(g)+O_(2)(g) hArr 2SO_(3)(g)`

SOLUTION :`Deltan_(g)=0`


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