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+//Chemical Engineering Thermodynamics
+//Chapter 13
+//Thermodynamics in Phase Equilibria
+
+//Example 13.2
+clear;
+clc;
+
+//Given
+P1 = 50*1.03*10^4;//Initial pressure in Kgf/sq m
+T = 373;//Temperature in K
+P2 = 1.03*10^4;//Final pressure in Kgf/sq m
+V = 0.001*18;//Volume in cubic meter
+R = 848;//gas constant in m Kgf/Kgmole K
+
+//To Calculate the fugacity of liquid water
+//From equation 13.13(page no 240)
+del_u = (V/(R*T))*(P2-P1);//del_u = ln(f2/f1); Change in chemical potential
+f1 = P2;//in Kgf/sq m
+f2 = f1*(%e^del_u);
+mprintf('The fugacity of the liquid water at 50 atm is %4.2e Kgf/sq m',f2);
+//end
+\ No newline at end of file