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//To calculate the Molar Enthalpy of Vapourisation
//Example 6.6
clc;
clear;
T=[20,30,40,50,60,70];
p=[17.54,31.82,55.32,92.51,149.38,233.7];
for i=1:6
x(i)=1/(T(i)+273);
end
for i=1:6
y(i)=log(p(i));
end
plot(x,y);
xlabel("K/T", "fontsize", 2);//Putting the x-axis as K/T
ylabel("ln(p)", "fontsize", 2);//Putting the y-axis as ln(Kp)
m=-(y(2)-y(1))/(x(2)-x(1));
R=8.314;
delH=R*m/1000;
printf("Molar Enthalpy of Vapourization of Water = %.1f kJ mol^-1",delH);
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