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For the process H(2)O(l) (1 "bar", 373 K...

For the process `H_(2)O(l) (1 "bar", 373 K) rarr H_(2)O(g) (1"bar", 373 K)` the correct set of thermodynamic parameters is

A

`DeltaG = 0, DeltaS =+ve`

B

`DeltaG =0, DeltaS =- ve`

C

`DeltaG =+ve, DeltaS =0`

D

`DeltaG =- ve, DeltaS =+ve`

Text Solution

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The conversion of a liquid into a gas occurs with an increases in randomness or entropy, therefore the entropy change is positive. At the boiling point, liquid and gas are in equilibrium with each other, therefore, free energy change is equal to zero.
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For the process : H_(2)O(l) (1 bar, 373 K) to H_(2)O(g) (1 bar, 373 K) , the correct set of thermodynamic parameters is :

For the process H_(2)O(l)(" lbar ",373K)rarr H_(2)O(g) (l bar, 373K) the correct set of thermodynamic parameters is [" (A) "Delta G=0,Delta S=+ve] , [" (B) "Delta G=0,Delta S=-ve] [" (C )"Delta G=+ve,Delta S=0] , [" (D )"Delta G=-ve,Delta S=+ve]

For the process, H_(2)O(l) to H_(2)O(g)

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