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+//Example 5.18
+clear;
+clc;
+
+//Given
+delHv=40820;//latent heat of vapourization of water in J mol^-1
+Vv=30.199;//volume of vapour in dm^3 mol^-1
+Vl=0.019;//volume of liquid in dm^3 mol^-1
+T=373;//temperature in K
+
+//To determine the change in boiling point with change in 1 mm pressure
+delVm=Vv-Vl;
+a=(delHv*760)/(T*delVm*0.001*101325);//a=(dP/dT)
+b=a^(-1);//b=(dT/dP)
+mprintf('change in boiling point of water per mm change in pressure=%f K mm^-1',b);
+//end
+\ No newline at end of file