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| author | hardythe1 | 2015-01-28 14:31:21 +0530 |
|---|---|---|
| committer | hardythe1 | 2015-01-28 14:31:21 +0530 |
| commit | 53f72e6790ff23b43c8f6a0b69d6386940671429 (patch) | |
| tree | 7745af6dbf2f5b2972b23f9f5a7a19c695a27321 /Elements_of_Physical_Chemistry/Chapter12.ipynb | |
| parent | 7b78be04fe05bf240417e22f74b3fc22e7a77d19 (diff) | |
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added books
Diffstat (limited to 'Elements_of_Physical_Chemistry/Chapter12.ipynb')
| -rwxr-xr-x | Elements_of_Physical_Chemistry/Chapter12.ipynb | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/Elements_of_Physical_Chemistry/Chapter12.ipynb b/Elements_of_Physical_Chemistry/Chapter12.ipynb new file mode 100755 index 00000000..7ec0d96f --- /dev/null +++ b/Elements_of_Physical_Chemistry/Chapter12.ipynb @@ -0,0 +1,239 @@ +{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 12 - Quantum theory"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example E1 - Pg 276"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the number of photons required\n",
+ "#Initialization of variables\n",
+ "import math\n",
+ "P=100. #W\n",
+ "t=10. #s\n",
+ "l=560. #nm\n",
+ "#calculations\n",
+ "TE=P*t\n",
+ "E1=6.626*math.pow(10,-34) *2.998*math.pow(10,8) /(l*math.pow(10,-9))\n",
+ "N=TE/E1\n",
+ "#results\n",
+ "print '%s %.2e' %(\"No. of photons required = \",N)\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "No. of photons required = 2.82e+21\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example E2 - Pg 278"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the wavelength of electrons\n",
+ "#Initialization of variables\n",
+ "import math\n",
+ "V=1000. #V\n",
+ "#calculations\n",
+ "l=6.626*math.pow(10,-34) /math.sqrt(2*9.11*math.pow(10,-31) *1.602*math.pow(10,-19) *V)\n",
+ "#results\n",
+ "print '%s %.2e %s' %(\"Wavelength of electrons =\",l,\" m\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Wavelength of electrons = 3.88e-11 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example E3 - Pg 282"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the no. of times the electron would be more propable at r2 than at r1\n",
+ "#Initialization of variables\n",
+ "import math\n",
+ "r1=0 #multiply by a0\n",
+ "r2=1 #multiply by a0\n",
+ "#calculations\n",
+ "ratio=math.pow(math.e,r1) /math.pow(math.e,(-2.*r2))\n",
+ "#results\n",
+ "print '%s %.2f %s' %(\"It is more propable that electron would be found\",ratio,\"times more at r1\")\n",
+ "print '%s' %(\"The answer is a bit different due to rounding off error in textbook\")"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "It is more propable that electron would be found 7.39 times more at r1\n",
+ "The answer is a bit different due to rounding off error in textbook\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example E4 - Pg 284"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the uncertainity in position\n",
+ "#Initialization of variables\n",
+ "import math\n",
+ "m=1 #g\n",
+ "v=math.pow(10,-6) #m/s\n",
+ "#calculations\n",
+ "dx=1.054*math.pow(10,-34) /(2*m*math.pow(10,-3) *v)\n",
+ "#results\n",
+ "print '%s %.1e %s' %(\"Uncertainity in position =\",dx,\" m\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Uncertainity in position = 5.3e-26 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example I1 - Pg 271"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the surface temperature\n",
+ "#Initialization of variables\n",
+ "import math\n",
+ "lmax=4.9*math.pow(10,-7) #m\n",
+ "#calculations\n",
+ "T=2.9*math.pow(10,-3) /lmax\n",
+ "#results\n",
+ "print '%s %d %s' %(\"Surface temperature must be close to\",T,\"K\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Surface temperature must be close to 5918 K\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example I2 - Pg 290"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the separation between adjacent levels frequency and energy\n",
+ "#Initialization of variables\n",
+ "import math\n",
+ "k=516. #N/m\n",
+ "m=1.67*math.pow(10,-27) #kg\n",
+ "#calculations\n",
+ "v=math.sqrt(k/m) /(2*math.pi)\n",
+ "E=6.624*math.pow(10,-34) *v\n",
+ "#results\n",
+ "print '%s %.2e %s' %(\"Separation between adjacent levels frequency,\",v,\"Hz\")\n",
+ "print '%s %.2e %s' %(\"\\n Energy =\",E,\"J\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Separation between adjacent levels frequency, 8.85e+13 Hz\n",
+ "\n",
+ " Energy = 5.86e-20 J\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file |