1.

For whichof thereactionreaction |DeltaH|gt|DeltaU|?

Answer»

`C_(2)H_(6)+(7)/( 2)O_(2)to 2CO_(2)+ 3H_(2)O`at 1barand 27
`C_(6)H_(6)(l)to C_(6)H_(6)(g)`
`N_(6)(g)+3H_(2)(g)iff2NH_(3)(g)`
`C_(2)H_(4)+ 3O_(2) to 2CO_(2)+2H_(2)O`

ANSWER :b,c,d


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