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 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": [
      "Chapter 07: Properties of Real Gases"
     ]
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example Problem 7.3, Page Number 166"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "\n",
      "#Variable Declaration\n",
      "m = 1.0           #Mass of Methane, kg\n",
      "T = 230           #Temeprature of Methane, K\n",
      "P = 68.0          #Pressure, bar \n",
      "Tc = 190.56       #Critical Temeprature of Methane\n",
      "Pc = 45.99        #Critical Pressure of Methane\n",
      "R = 0.08314       #Ideal Gas Constant, L.bar/(mol.K)\n",
      "M = 16.04         #Molecular wt of Methane\n",
      "\n",
      "#Calcualtions\n",
      "Tr = T/Tc\n",
      "Pr = P/Pc\n",
      "z = 0.63          #Methane compressibility factor\n",
      "n = m*1e3/M\n",
      "V = z*n*R*T/P\n",
      "Vig = n*R*T/P\n",
      "DV = (V - Vig)/V\n",
      "\n",
      "#Results\n",
      "print '(V-Videal) %4.2f L'%(V-Vig)\n",
      "print 'Percentage error %5.2f'%(DV*100)\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "(V-Videal) -6.49 L\n",
        "Percentage error -58.73\n"
       ]
      }
     ],
     "prompt_number": 4
    }
   ],
   "metadata": {}
  }
 ]
}