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| author | hardythe1 | 2015-06-03 15:27:17 +0530 |
|---|---|---|
| committer | hardythe1 | 2015-06-03 15:27:17 +0530 |
| commit | df60071cf1d1c18822d34f943ab8f412a8946b69 (patch) | |
| tree | ab059cf19bad4a1233a464ccf5d72cf8b3fb323c /Materials_Science_and_Engineering/Chapter4.ipynb | |
| parent | fba055ce5aa0955e22bac2413c33493b10ae6532 (diff) | |
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Diffstat (limited to 'Materials_Science_and_Engineering/Chapter4.ipynb')
| -rwxr-xr-x | Materials_Science_and_Engineering/Chapter4.ipynb | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/Materials_Science_and_Engineering/Chapter4.ipynb b/Materials_Science_and_Engineering/Chapter4.ipynb new file mode 100755 index 00000000..f3981a02 --- /dev/null +++ b/Materials_Science_and_Engineering/Chapter4.ipynb @@ -0,0 +1,146 @@ +{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 04 : Atomic Structure and Chemical Bonding"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.1, Page No 56"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#initialisation of variables\n",
+ "\n",
+ "E = 1.64e-18 # energy difference between two states in J\n",
+ "h= 6.626e-34 # planks constant\n",
+ "c = 2.998e8 # speed of light in m/s\n",
+ "\n",
+ "#Calculations\n",
+ "nu = E/h\n",
+ "lambda1 = c/nu\n",
+ "\n",
+ "#Results\n",
+ "print(\"Frequency of emitted radiation is %.2e Hz\" %nu)\n",
+ "print(\"Wavelength of emitted radiation is %.2e m\" %lambda1) # answer in book is 1210 angstrom\n",
+ "print(\" %d angstrom \" %(lambda1*1e10))\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Frequency of emitted radiation is 2.48e+15 Hz\n",
+ "Wavelength of emitted radiation is 1.21e-07 m\n",
+ " 1211 angstrom \n"
+ ]
+ }
+ ],
+ "prompt_number": 9
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.3, Page No 70"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#initialisation of variables\n",
+ "e_a = 713.0 # enthalpy of atomization in kJ/mol\n",
+ "e_b = 347.0 # bond energy in kJ/mol\n",
+ "a = 4.0 # total number of atoms in single crystal structure\n",
+ "b = 2 # number of atoms in a bond\n",
+ "\n",
+ "#Calculations\n",
+ "k = a/b \t\t# effective number of bond per atom\n",
+ "e = k*e_b\n",
+ "\n",
+ "#Results\n",
+ "print(\"%d kJ should be the enthalpy of atomization of diamond\" %e)\n",
+ "print(\"However, %d kJ is very close to \" %e)\n",
+ "print(\"%d kJ\" %e_a)\n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "694 kJ should be the enthalpy of atomization of diamond\n",
+ "However, 694 kJ is very close to \n",
+ "713 kJ\n"
+ ]
+ }
+ ],
+ "prompt_number": 10
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4.4, Page No 73"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "import math\n",
+ "#initialisation of variables\n",
+ "del_h = 6.02 # enthalpy of fusion in kJ/mol\n",
+ "n = 2.0 # number of hydrogen atom in 1 water atom\n",
+ "del_b = 20.5 # hydrogen bond energy in kJ/mol\n",
+ "\n",
+ "#Calculations\n",
+ "f = del_h/(n*del_b)\n",
+ "\n",
+ "#Results\n",
+ "print(\"Fraction of hydrogen bonds which broken is %.2f\" %f)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Fraction of hydrogen bonds which broken is 0.15\n"
+ ]
+ }
+ ],
+ "prompt_number": 11
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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