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diff --git a/3689/CH8/EX8.2/8_2.sce b/3689/CH8/EX8.2/8_2.sce
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+////
+//Varialble Declaration
+Tn = 353.24       //normal boiling point of Benzene, K
+pi = 1.19e4       //Vapor pressure of benzene at 20°C, Pa
+DHf = 9.95        //Latent heat of fusion, kJ/mol
+pv443 = 137.      //Vapor pressure of benzene at -44.3°C, Pa
+R = 8.314         //Ideal Gas Constant, J/(mol.K)
+Pf = 101325       //Std. atmospheric pressure, Pa
+T20 = 293.15      //Temperature in K
+P0 = 1.
+Pl = 10000.
+Ts = -44.3        //Temperature of solid benzene, °C
+
+//Calculations
+Ts = Ts + 273.15
+//Part a
+
+DHv = -(R*log(Pf/pi))/(1./Tn-1./T20)
+//Part b
+
+DSv = DHv/Tn
+DHf = DHf*1e3
+//Part c
+
+Ttp = -DHf/(R*(log(Pl/P0)-log(pv443/P0)-(DHv+DHf)/(R*Ts)+DHv/(R*T20)))
+Ptp = exp(-DHv/R*(1./Ttp-1./Tn))*101325
+
+//Results
+printf("\n Latent heat of vaporization of benzene at 20°C %4.1f kJ/mol",DHv/1000)
+
+printf("\n Entropy Change of vaporization of benzene at 20°C %3.1f J/mol",DSv)
+
+printf("\n Triple point temperature = %4.1f K for benzene",Ttp)
+
+printf("\n Triple point pressure = %4.2e Pa for benzene",Ptp)
+