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In which of the following process DeltaH...

In which of the following process `DeltaH` and `DeltaU` are of same magnitude

A

Evaporation of `C CI_(4)(l)`

B

`CaCO_(3)(s) rarr CaO(s) +CO_(2) (g)`

C

`NH_(4)CI(s) rarr NH_(4)CI(g)`

D

`2HI(g) rarr H_(2)(g) +I_(2)(g)`

Text Solution

Verified by Experts

`DeltaH = DeltaU +DeltanRT`
`Deltan = 0 n_(P) -n_(R)`
`,. DeltaH = DeltaU`
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  18. In thermodynamics, a process is called reversible when

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