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For the reaction A(s) rarr B(s) +C(s) ...

For the reaction
`A(s) rarr B(s) +C(s)`
Calculate the entropy change at `298K` and `1 atm` if absolute etropies (in `J K^(-1)mol^(-1))` are
`A = 130, B = 203, C = 152`

Text Solution

Verified by Experts

`DeltaS^(@)=sumS_("products"))^(@)-sumS_(("reactants"))^(@)`
`=[S_(B)^(@)+S_(C)^(@)]-[S_(A)^(@)]`
`=[203+152]-[130]`
`=225JK^(-1)`.
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