//Example 5.24 clear; clc; //Given p1=10;//vapour pressure of decane in Torr at temperature T1 K p2=400;//vapour pressure of decane in Torr at temperature T2 K T1=328.85;//initial temperature in K T2=423.75;//final temperature in K T=373;//temperature in K R=8.314;//gas constant in J K^-1 mol^-1 //To determine the delHv,Tb,delSv delHv=(T1*T2*R*log(p2/p1))/94.9;//integrated form of clausius clapeyron equation delSv=delHv/T;//entrpoy change during vapourization in J K^-1 mol^-1 Tb=((((R*2.303*log10(76))/delHv)+(1/T1))^(-1))+186;//boiling temperature in K mprintf('delHv = %f J mol^-1',delHv); mprintf('\n delSv = %f J K^-1 mol^-1',delSv); mprintf('\n Tb = %f K',Tb); //end