Question

Chemistry:-

⭕ Question :- The normal boiling point of water is 373K ( at 760mm ). Vapour pressure of water at 298K is 23mm. If the enthalpy of evaporation is 40.656 Kj/mol, the boiling point of water at 23mm pressure will be:-

( CBSE PMT 1995 )

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Answer 1

Answer:

Vapour pressure of water at 298 K is 23 mm. If the enthalpy of evaporation is 40.656 kJ/mole, the boiling point of water at 23 mm pressure will be. This gives T1=294.4K.

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