Calculate entropy change `H_(2) O(l, 1 atm , 100 ^(@)) to H_(2)O(g, 1 atm , 110^(@))` `H_(2) O(l, 1 atm , 100 ^(@)) to H_(2)O(g, 2 atm , 100^(@))` `De

Monjur Alahi

Calculate entropy change
`H_(2) O(l, 1 atm , 100 ^(@)) to H_(2)O(g, 1 atm , 110^(@))`
`H_(2) O(l, 1 atm , 100 ^(@)) to H_(2)O(g, 2 atm , 100^(@))`

`DeltaH_(vap)=40kJ//"mole"`" "`C_(p)(l)=75J//"mole"//K`" "`C_(p)(g)=35 J//"mole"//K`


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Salim Ahmed Kawsar

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Correct Answer - `DeltaS_(A to B)=(DeltaH_("vap"))/(T)= (40xx1000)/(373), DeltaS_(BtoC)=nC_(p)(g)ln.(T_(2))/(T_(1)) = 1 xx 35 ln.(383)/(373)`

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