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| author | hardythe1 | 2015-04-07 15:58:05 +0530 |
|---|---|---|
| committer | hardythe1 | 2015-04-07 15:58:05 +0530 |
| commit | 92cca121f959c6616e3da431c1e2d23c4fa5e886 (patch) | |
| tree | 205e68d0ce598ac5caca7de839a2934d746cce86 /Fundamentals_Of_Thermodynamics/Chapter16.ipynb | |
| parent | b14c13fcc6bb6d01c468805d612acb353ec168ac (diff) | |
| download | Python-Textbook-Companions-92cca121f959c6616e3da431c1e2d23c4fa5e886.tar.gz Python-Textbook-Companions-92cca121f959c6616e3da431c1e2d23c4fa5e886.tar.bz2 Python-Textbook-Companions-92cca121f959c6616e3da431c1e2d23c4fa5e886.zip | |
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Diffstat (limited to 'Fundamentals_Of_Thermodynamics/Chapter16.ipynb')
| -rwxr-xr-x | Fundamentals_Of_Thermodynamics/Chapter16.ipynb | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/Fundamentals_Of_Thermodynamics/Chapter16.ipynb b/Fundamentals_Of_Thermodynamics/Chapter16.ipynb new file mode 100755 index 00000000..6a07737d --- /dev/null +++ b/Fundamentals_Of_Thermodynamics/Chapter16.ipynb @@ -0,0 +1,128 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:7c7e50fa2880e870c4aa1630bafd7d049a3cb3c4e646a0d88068a55be4a3d00f"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 16:INTRODUCTION TO PHASE AND CHEMICAL EQUILIBRIUM"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex16.2:PG-681"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#ques2\n",
+ "#to determine change in gibbs free energy\n",
+ "\n",
+ "#1-H2\n",
+ "#2-O2\n",
+ "#3-H2O\n",
+ "\n",
+ "#at T=298 K\n",
+ "T1=298.0;#K\n",
+ "Hf1=0;#Enthalpy of formation of H2 at 298 K\n",
+ "Hf2=0;#Enthalpy of formation of O2 at 298 K\n",
+ "Hf3=-241826;#enthalpy of formation of H2O at 298 K in kJ\n",
+ "dH=2*Hf1+Hf2-2*Hf3;#Change in enthalpy in kJ\n",
+ "Sf1=130.678;#Entropy of H2 at 298 K n kJ/K\n",
+ "Sf2=205.148;#Entropy of O2 at 298 K in kJ/K\n",
+ "Sf3=188.834;#entropy of H2O at 298 K in kJ/K\n",
+ "dS=2*Sf1+Sf2-2*Sf3;#Change in entropy in kJ/K\n",
+ "dG1=dH-T1*dS;#change n gibbs free energy in kJ\n",
+ "print\" Change in gibbs free energy at\",T1,\"kelvin is\",round(dG1),\"kJ \"\n",
+ "#at T=2000 K\n",
+ "T2=2000.0;#K\n",
+ "Hf1=52942-0;#Enthalpy of formation of H2 at 2000 K\n",
+ "Hf2=59176-0;#Enthalpy of formation of O2 at 2000 K\n",
+ "Hf3=-241826+72788;#enthalpy of formation of H2O at 2000 K in kJ\n",
+ "dH=2*Hf1+Hf2-2*Hf3;#Change in enthalpy in kJ\n",
+ "Sf1=188.419;#Entropy of H2 at 2000 K n kJ/K\n",
+ "Sf2=268.748;#Entropy of O2 at 2000 K in kJ/K\n",
+ "Sf3=264.769;#entropy of H2O at 2000 K in kJ/K\n",
+ "dS=2*Sf1+Sf2-2*Sf3;#Change in entropy in kJ/K\n",
+ "dG2=dH-(T2*dS);#change n gibbs free energy in kJ\n",
+ "print\" Change in gibbs free energy at\",T2,\"kelvin is\",round(dG2),\" kJ \""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Change in gibbs free energy at 298.0 kelvin is 457179.0 kJ \n",
+ " Change in gibbs free energy at 2000.0 kelvin is 271040.0 kJ \n"
+ ]
+ }
+ ],
+ "prompt_number": 21
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Ex16.3:PG-683"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#ques3\n",
+ "#calculating equilibrium constant \n",
+ "\n",
+ "dG1=-457.166;#change in gibbs free energy at temp 298 K from example2 in kJ\n",
+ "dG2=-271.040;#change in gibbs free energy at temp 2000 K from example2 n kJ\n",
+ "T1=298;#K\n",
+ "T2=2000;#K\n",
+ "R=8.3145;#gas constant\n",
+ "K1=dG1*1000/(R*T1);\n",
+ "K2=dG2*1000/(R*T2);\n",
+ "print\" Equilibrium constant at \",T1,\"K = \",round(K1,2)\n",
+ "print\" Equilibrium constant at \",T2,\"K = \",round(K2,3)"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ " Equilibrium constant at 298 K = -184.51\n",
+ " Equilibrium constant at 2000 K = -16.299\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [],
+ "language": "python",
+ "metadata": {},
+ "outputs": []
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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