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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 7: Entropy"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 7.1: Change_in_Entropy.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"clear\n",
+"//Initialization of variables\n",
+"T2=920 //R\n",
+"T1=520 //R\n",
+"P1=14 //psia\n",
+"P2=84 //psia\n",
+"J=778\n",
+"R=53.35\n",
+"cv=0.1715\n",
+"N=1\n",
+"//calculations\n",
+"k= log(T2/T1) /log(P2/P1)\n",
+"n=1/(1-k)\n",
+"cx=cv+R/(J*(1-n))\n",
+"dS=N*cx*log(T2/T1)\n",
+"//results\n",
+"printf('Change in entropy  = %.5f unit of entropy',dS)"
+   ]
+   }
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}