A substanceA hasthe followingvariationofvapour presesure with temperaturefor itssolid stateandliquildstate . Indentify the optionswhich are correct : Date: For solidA:log_(10) P=4-(200)/(T) For liquindA : log_(10)P=3.48-(1500)/(T)whereP isin mm of Hg and T in K.

A substanceA hasthe followingvariationofvapour presesure with temperat

1.	A substanceA hasthe followingvariationofvapour presesure with temperaturefor itssolid stateandliquildstate . Indentify the optionswhich are correct : Date: For solidA:log_(10) P=4-(200)/(T) For liquindA : log_(10)P=3.48-(1500)/(T)whereP isin mm of Hg and T in K.
Answer» Enthalpy of vapourisationand enthalpyof fusion will betemperatureindependent. `DeltaH_(SUB.)` willbe approximately`9.212 kcal//mol.` `DeltaH_(fusion)` will be approximately `2.303 kcal//mol`. `DeltaH_(VAP)` will be approximately `6.909 kcal//mol`. Answer :a,B,c,d