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For a reaction: X rarr Y+Z Absolute en...

For a reaction: `X rarr Y+Z`
Absolute entropies are `X="120 J K"^(-1)"mol"^(-1),`
`Y="213.8 J K"^(-1)"mol"^(-1) and Z="197.9 J K"^(-1)"mol"^(-1)`.
What will be the entropy change at 298 K and 1 atm?

A

`"291.7 J K"^(-1)`

B

`"255 J K"^(-1)`

C

`213.8 J K"^(-1)`

D

`"257.3 J K"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaS^(@)=SigmaS_(P)^(@)-SigmaS_(R)^(@)=(213.8+197.9)-120="291.7 K K"^(-1)`
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