diff options
Diffstat (limited to 'Thermodynamics_for_Chemists/ch15.ipynb')
| -rwxr-xr-x | Thermodynamics_for_Chemists/ch15.ipynb | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/Thermodynamics_for_Chemists/ch15.ipynb b/Thermodynamics_for_Chemists/ch15.ipynb new file mode 100755 index 00000000..80c128d0 --- /dev/null +++ b/Thermodynamics_for_Chemists/ch15.ipynb @@ -0,0 +1,270 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:420bfba231cfede93787915c3c2f3a006f82a824943153e719a02f61a9666037" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 15 : Activities and Activity coefficients" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 15.1 Page No : 357" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "# Variables\n", + "p1 = 17.222 \t\t\t#mm\n", + "p2 = 17.535 \t\t\t#mm\n", + "n = 1. \t\t\t#mole\n", + "m = 1000 \t \t\t#gms\n", + "M = 18.016 \t\t \t#gms\n", + "\n", + "# Calculations\n", + "a = p1/p2\n", + "N1 = (m/M)/(n+(m/M))\n", + "\n", + "# Results\n", + "print 'activity = %.4f '%(a)\n", + "print ' activity coefficient = %.4f '%(N1)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "activity = 0.9821 \n", + " activity coefficient = 0.9823 \n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 15.2 Page No : 361" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "# Variables\n", + "import math \n", + "M = 0.1 \t\t\t#molal\n", + "Tf = 0.345 \t\t\t#C\n", + "k = -9.702*10**-3\n", + "k1 = -5.2*10**-6\n", + "\n", + "# Calculations\n", + "a = math.e**(k*Tf+k1*Tf**2)\n", + "\n", + "# Results\n", + "print 'activity = %.4f '%(a)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "activity = 0.9967 \n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 15.3 Page No : 366" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "# Variables\n", + "import math \n", + "R = 1.98*10**-4 \t\t\t#cal mole**-1 deg**-1\n", + "T = 20. \t\t\t#C\n", + "E = -0.11118 \t \t\t#volt\n", + "n2 = 0.00326\n", + "n21 = 0.0986\n", + "\n", + "# Calculations\n", + "r = 10**((-E/(R*(273.16+T)))-math.log10(n21)+math.log10(n2))+n21\n", + "a2 = r*n21\n", + "\n", + "# Results\n", + "print 'a2/N2 = %.3f '%(r)\n", + "print ' a2 = %.4f '%(a2)\n", + "\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "a2/N2 = 2.820 \n", + " a2 = 0.2780 \n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 15.4 Page No : 367" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "# Variables\n", + "n1 = 0.424 \t\t\t#mole fraction\n", + "a2 = 3.268\n", + "n = 8.3\n", + "\n", + "# Calculations\n", + "r = a2/(n*n1)\n", + "\n", + "# Results\n", + "print 'a2/N2 = %.3f '%(r)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "a2/N2 = 0.929 \n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 15.5 Page No : 368" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "# Variables\n", + "e = 0.7865 \t \t\t#volt\n", + "emf = 0.8085 \t\t\t#emf\n", + "T = 500. \t\t\t#C\n", + "R = 1.98*10**-4 \t\t\t#cal mol6-1 deg**-1\n", + "n2 = 0.5937\n", + "\n", + "# Calculations\n", + "a2 = 10**((e-emf)/(R*(273+T)))\n", + "r = a2/n2\n", + "\n", + "# Results\n", + "print 'activity coefficient = %.2f '%(r)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "activity coefficient = 1.21 \n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 15.6 Page No : 371" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\n", + "# Variables\n", + "import math \n", + "ac = 1.211\n", + "n2 = 0.5937\n", + "\n", + "# Calculations\n", + "b = math.log10(ac)/(1-n2)**2\n", + "\n", + "# Results\n", + "print 'Constant = %.4f '%(b)\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Constant = 0.5037 \n" + ] + } + ], + "prompt_number": 7 + }, + { + "cell_type": "code", + "collapsed": false, + "input": [], + "language": "python", + "metadata": {}, + "outputs": [] + } + ], + "metadata": {} + } + ] +}
\ No newline at end of file |