1.

If 900 J/g of heat is exchanged at boiling point of water, then what is increase in entropy

Answer»

`43.4 J//mol`
`87.2 J//"mole"`
`900 J//"mole"`
Zero

Solution :`DeltaS_("vap")=((900xx18))/(373)=43.4 JK^(-1) mol^(-1)`.


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