## Answers

we know change in entropy of universe is equal to sum of change in entropy of system and surrounding since condensation is spontaneous process then entropy of universe should be positive and we have entropy of system and surrounding so entropy of universe is 3.4J/K

Change in entropy for the process, Aslay = - 8.8 JIK Change in entropy for the surrounding A dous = 12.2J/k know Change in entropy of Universe is Aduniverse = Ddays + Adaus We = – 8.8 JIK + 12.25 1k A duniverse - 3.4JK do change in entropy of the universo = 3.451K

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