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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 23/CH6/EX6.9/Example_6_9.sce |  49 +++++++++++++++++++++++++++++++++++++++++++
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+clear;
+clc;
+
+//To find Approx Value
+function[A]=approx(V,n)
+  A=round(V*10^n)/10^n;//V-Value  n-To what place
+  funcprot(0)
+endfunction  
+
+
+//Example 6.9
+//Caption : Program to Find Residual Enthalpy and Entropy and V by Lee/Kesler
+
+
+//Given Values
+T=450;//[K]
+P=140;//[bar]
+
+//pseudo parameters
+Tc1=304.2;//[K]
+Tc2=369.8;//[K]
+Pc1=73.83;//[bar]
+Pc2=42.48;//[bar]
+Tpc=(0.5*Tc1)+(0.5*Tc2);
+Ppc=(0.5*Pc1)+(0.5*Pc2);
+
+Tpr=T/Tpc;
+Ppr=P/Ppc;
+
+Z0=0.697;
+Z1=0.205;
+
+omega1=0.224;
+omega2=0.152;
+omega=(0.5*omega1)+(0.5*omega2);
+
+Z=Z0+(omega*Z1);
+
+V=approx(Z*R*T*10/P,1);//[cm^3/mol]
+
+//(H/RT)0=-1.73 (H/RT)1=-0.169
+H=approx(R*Tpc*(-1.73+(omega*-0.169)),0);//[J/mol]
+S=approx(R*(-0.967+(omega*-0.330)),2);//[J/mol/K]
+
+disp('cm^3/mol',V,'Volume(V)=')
+disp('J/mol',H,'Residual Enthaply(H)=')
+disp('J/mol/K',S,'Residual Entropy(S)=')
+
+//End
\ No newline at end of file
-- 
cgit