From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

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+// Y.V.C.Rao ,1997.Chemical Engineering Thermodynamics.Universities Press,Hyderabad,India.
+
+//Chapter-8,Example 2,Page 275
+//Title: Enthalpy and entropy departure
+//================================================================================================================
+clear 
+clc
+
+//INPUT
+T=427.85;//temperature of n-octane vapour in K
+P=0.215;//pressure of n-octane vapour in MPa
+a=3.789;//van der Waals constant in Pa (m^3/mol)^2
+b=2.37*10^-4;//van der Waals constant in m^3/mol
+v=15.675*10^-3;//volume occupied by n-octane vapour taken from Example (3.8) in m^3/mol
+R=8.314;//universal gas constant in J/molK
+
+//CALCULATION
+//n-octane obeys the van der Waals equation of state
+dep_h=(P*10^6*v)-(R*T)-(a/v);//calculation of the enthalpy departure using Example(8.1) in J/mol
+dep_s=R*log ((P*10^6*(v-b))/(R*T));//calculation of the entropy departure using Example(8.1) in J/molK
+
+//OUTPUT
+mprintf("\n The enthalpy departure for n-octane vapour = %0.2f J/mol\n",dep_h);
+mprintf("\n The entropy departure for n-octane vapour = %0.4f J/mol K\n",dep_s);
+
+//===============================================END OF PROGRAM===================================================
-- 
cgit