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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:f3e8b42215365cf1bfa3ac9f200471823539f88439d8a1274c785506152bd8d0"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 5 : Thermochemistry"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.1 Page No : 71"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "# Variables\n",
+      "Q1 = -1227 \t    \t\t#kcal\n",
+      "R = 2*10**-3 \t\t\t#kcal\n",
+      "T = 25       \t\t\t#C\n",
+      "dn = -2\n",
+      "\n",
+      "# Calculations\n",
+      "Qp = Q1+R*(273+T)*dn\n",
+      "\n",
+      "# Results\n",
+      "print  'Heat of reaction  = %.1f kcal'%(Qp)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Heat of reaction  = -1228.2 kcal\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.2 Page No : 72"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "# Variables\n",
+      "H1 = -337.3 \t\t\t#kcal\n",
+      "H2 = -68.3   \t\t\t#kcal\n",
+      "H3 = -372.8 \t\t\t#kcal\n",
+      "\n",
+      "# Calculations\n",
+      "Ht = H1+H2-H3\n",
+      "\n",
+      "# Results\n",
+      "print  'Heat change of reaction  = %.1f kcal'%(Ht)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Heat change of reaction  = -32.8 kcal\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.3 Page No : 74"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "# Variables\n",
+      "dH = -1228.2 \t\t\t#kcal\n",
+      "n1 = 10\n",
+      "n2 = 4\n",
+      "dH1 = -94.05 \t\t\t#kcal\n",
+      "dH2 = -68.32 \t\t\t#kcal\n",
+      "\n",
+      "# Calculations\n",
+      "x = n1*dH1+n2*dH2-dH\n",
+      "\n",
+      "# Results\n",
+      "print  'Heat of formation  = %.1f kcal'%(x)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Heat of formation  = 14.4 kcal\n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.4 Page No : 75"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "# Variables\n",
+      "H1 = -29.6 \t\t\t#kcal\n",
+      "H2 = -530.6 \t\t\t#kcal\n",
+      "H3 = -94 \t\t\t#kcal\n",
+      "H4 = -68.3 \t\t\t#kcal\n",
+      "\n",
+      "# Calculations\n",
+      "dH1 = -(H1+H2-3*H3-4*H4)\n",
+      "dH2 = -dH1+3*H3+3*H4\n",
+      "\n",
+      "# Results\n",
+      "print  'Heat of combustion  = %.f kcal'%(dH1)\n",
+      "print  ' Standard heat of formation  = %.1f kcal'%(dH2)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Heat of combustion  = 5 kcal\n",
+        " Standard heat of formation  = -491.9 kcal\n"
+       ]
+      }
+     ],
+     "prompt_number": 4
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.5 Page No : 79"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "# Variables\n",
+      "T1 = 25.     \t\t\t#C\n",
+      "T2 = 100.    \t\t\t#C\n",
+      "dH1 = -57.8 \t\t\t#kcal\n",
+      "Cp1 = 8.03  \t\t\t#cal deg**-1\n",
+      "Cp2 = 6.92  \t\t\t#cal deg**-1\n",
+      "Cp3 = 7.04  \t\t\t#cal deg**-1\n",
+      "\n",
+      "# Results\n",
+      "Cp = Cp1-(Cp2+0.5*Cp3)\n",
+      "dH2 = Cp*10**-3*(T2-T1)+dH1\n",
+      "\n",
+      "# Results\n",
+      "print  'Standard heat of formation  = %.2f kcal mole**-1'%(dH2)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Standard heat of formation  = -57.98 kcal mole**-1\n"
+       ]
+      }
+     ],
+     "prompt_number": 5
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.6 Page No : 80"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "# Variables\n",
+      "a = -2.776\n",
+      "b = 0.947*10**-3\n",
+      "c = 0.295*10**-6\n",
+      "T1 = 373     \t\t\t#K\n",
+      "T2 = 298 \t    \t\t#K\n",
+      "dH1 = -57.8 \t\t\t#kcal\n",
+      "\n",
+      "# Calculations\n",
+      "dH = a*(T1-T2)+0.5*b*(T1**2-T2**2)+0.33*c*(T1**3-T2**3)\n",
+      "dH2 = dH1+(dH/1000)\n",
+      "\n",
+      "# Results\n",
+      "print  'Heat obtained  = %.f cal '%(dH)\n",
+      "print  ' Smath.tanadard heat of formation  = %.2f kcal mole**-1'%(dH2)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Heat obtained  = -182 cal \n",
+        " Smath.tanadard heat of formation  = -57.98 kcal mole**-1\n"
+       ]
+      }
+     ],
+     "prompt_number": 6
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.7 Page No : 81"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "# Variables\n",
+      "a1 = 6.189 \n",
+      "a2 = 3.225\n",
+      "a3 = 10.421\n",
+      "b1 = 7.787*10**-3\n",
+      "b2 = 0.707*10**-3\n",
+      "b3 = -0.3*10**-3\n",
+      "c1 = -0.728*10**-6\n",
+      "c2 = -0.04014*10**-6\n",
+      "c3 = 0.7212*10**-6\n",
+      "dH = -9.13 \t\t\t#kcal\n",
+      "\n",
+      "# Calculations\n",
+      "a = -(a2+a3-a1)*10**-3\n",
+      "b = -0.5*(b2+b3-b1)*10**-3\n",
+      "c = -0.33*(c2+c3-c1)*10**-3\n",
+      "\n",
+      "# Results\n",
+      "print  'a  = %.2e kcal mole**-1'%(a)\n",
+      "print  ' b  = %.2e kcal mole**-1'%(b)\n",
+      "print  ' c  = %.2e kcal mole**-1'%(c)\n",
+      "print  ' dH  = %.2f kcal mole**-1'%(dH)\n",
+      "\n",
+      "# note : rounding off error.\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "a  = -7.46e-03 kcal mole**-1\n",
+        " b  = 3.69e-06 kcal mole**-1\n",
+        " c  = -4.65e-10 kcal mole**-1\n",
+        " dH  = -9.13 kcal mole**-1\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.8 Page No : 81"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "# Variables\n",
+      "dH = 31.39       \t\t\t#kcal\n",
+      "k1 = 3.397*10**-3 \t\t\t#kcal K**-1\n",
+      "k2 = -1.68*10**-6 \t\t\t#kcal K**-2\n",
+      "k3 = -0.022*10**-9 \t\t\t#kcal K**-3\n",
+      "k4 = 1.17*10**2 \t\t\t#kcal K\n",
+      "T = 25 \t\t\t#C\n",
+      "#CALCULTIONS\n",
+      "H = dH-(k1*(273+T)+k2*(273+T)**2+k3*(273+T)**3+k4*(273+T)**-1)\n",
+      "\n",
+      "# Results\n",
+      "print  'Change in enthalpy = %.2f kcal'%(H)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Change in enthalpy = 30.13 kcal\n"
+       ]
+      }
+     ],
+     "prompt_number": 8
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.9 Page No : 85"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "from numpy import *\n",
+      "# Variables\n",
+      "dH = 214470     \t\t\t#kcal mole**-1\n",
+      "a = 72.43    \t    \t\t#calmole**-1deg**-1\n",
+      "b = 13.08*10**-3 \t\t\t#kcalmole**-1\n",
+      "c = -1.172*10**-6 \t\t\t#kcalmole**-1\n",
+      "\n",
+      "# Calculations\n",
+      "vec =roots([c,b,a,-dH])\n",
+      "T = vec[2]\n",
+      "\n",
+      "# Results\n",
+      "print  'Temperature  = %.f C'%(T+15)\n",
+      "\n",
+      "# note : rounding off error because of roots()"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Temperature  = 2253 C\n"
+       ]
+      }
+     ],
+     "prompt_number": 10
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.10 Page No : 88"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "# Variables\n",
+      "c1 = 9.3 \t\t\t#cal deg**-1\n",
+      "c2 = 6.3 \t\t\t#cal deg**-1\n",
+      "n = 2.\n",
+      "dH = -57500. \t\t\t#cal\n",
+      "V = 3. \t\t    \t#cc\n",
+      "v1 = 3.5 \t\t\t#cc\n",
+      "T1 = 25. \t\t\t#C\n",
+      "p1 = 1. \t\t\t    #atm\n",
+      "\n",
+      "# Calculations\n",
+      "T2 = (-dH/(c1+n*c2))+298\n",
+      "p2 = p1*V*T2/(v1*(273+T1))\n",
+      "\n",
+      "# Results\n",
+      "print  'Temperature final  = %.f K'%(round(T2,-1))\n",
+      "print  ' pressure final  = %.1f atm'%(p2)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Temperature final  = 2920 K\n",
+        " pressure final  = 8.4 atm\n"
+       ]
+      }
+     ],
+     "prompt_number": 8
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 5.11 Page No : 92"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "# Variables\n",
+      "Hc = 234.4 \t\t\t#kcal\n",
+      "Hdc = 300 \t\t\t#kcal\n",
+      "Hch = 436.5 \t\t\t#kcal\n",
+      "Hco = 152 \t\t\t#kcal\n",
+      "Hsco = 70 \t\t\t#kcal\n",
+      "Hoh = 110.2 \t\t\t#kcal\n",
+      "Hoo = 885 \t\t\t#kcal\n",
+      "Hb = 38 \t\t\t#kcal\n",
+      "Hc = 28 \t\t\t#kcal\n",
+      "Ha = 206 \t\t\t#kcal\n",
+      "H1co = 2128 \t\t\t#kcal\n",
+      "H1oh = 661 \t\t\t#kcal\n",
+      "H1c = 231 \t\t\t#kcal\n",
+      "\n",
+      "# Calculations\n",
+      "dH = Hc+Hdc+Hch+Hco+Hsco+Hoh+Hoo+Ha+Hb+Hc-H1co-H1oh-H1c\n",
+      "\n",
+      "# Results\n",
+      "print  'Heat of combustion  = %.f kcal'%(dH)\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Heat of combustion  = -766 kcal\n"
+       ]
+      }
+     ],
+     "prompt_number": 19
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
\ No newline at end of file