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diff --git a/Chemistry/Chapter_7.ipynb b/Chemistry/Chapter_7.ipynb new file mode 100755 index 00000000..ebd9568b --- /dev/null +++ b/Chemistry/Chapter_7.ipynb @@ -0,0 +1,312 @@ +{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 7:Quantum theorem and electronic structure of Atoms"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example no:7.1,Page no:27"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Variable declaration\n",
+ "lamda=522*10**-9 #wavelength, m\n",
+ "c=3*10**8 #speed of light in vacuum, m/s\n",
+ "\n",
+ "#Calculation\n",
+ "v=c/lamda #frequency, Hz\n",
+ "\n",
+ "#Result\n",
+ "print\"The frequency of the wave is :%.2e\"%v,\"Hz\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The frequency of the wave is :5.75e+14 Hz\n"
+ ]
+ }
+ ],
+ "prompt_number": 58
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example no:7.2,Page no:280"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Variable declaration\n",
+ "c=3*10**8 #speed of light in vacuum, m/s\n",
+ "h=6.63*10**-34 #planck's constant, J s\n",
+ "lamda1=5*10**-5 #wavelength, m\n",
+ "lamda2=5*10**-11 #wavelength, m\n",
+ "\n",
+ "#Calculation\n",
+ "#(a)\n",
+ "E1=h*c/lamda1 #energy, J\n",
+ "#(b)\n",
+ "E2=h*c/lamda2 #energy, J\n",
+ "\n",
+ "#Result\n",
+ "print\"(a) the energy of the photon is :%.2e\"%E1,\"J\"\n",
+ "print\"(b) the energy of the photon is :%.2e\"%E2,\"J\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(a) the energy of the photon is :3.98e-21 J\n",
+ "(b) the energy of the photon is :3.98e-15 J\n"
+ ]
+ }
+ ],
+ "prompt_number": 59
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example no:7.3,Page no:281"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Variable declaration\n",
+ "W=3.42*10**-19 #Work function of cesium in J\n",
+ "h=6.63*10**-34 #planck's constant in J.s\n",
+ "v2=10**15 #Freq for irridation in s-1\n",
+ "\n",
+ "#Calculation\n",
+ "#part a\n",
+ "KE=0\n",
+ "#hv=KE+w\n",
+ "v=W/h\n",
+ "#part b\n",
+ "KE=h*v2-W\n",
+ "\n",
+ "#Result\n",
+ "print\"(a)Minimum frequency of light is %.2e\"%v,\"s**-1\"\n",
+ "print\"(b).Kinetic energy of ejected electron is\",KE,\"J\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "(a)Minimum frequency of light is 5.16e+14 s**-1\n",
+ "(b).Kinetic energy of ejected electron is 3.21e-19 J\n"
+ ]
+ }
+ ],
+ "prompt_number": 60
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example no:7.4,Page no:287"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Variable declaration\n",
+ "c=3*10**8 #speed of light in vacuum, m/s\n",
+ "h=6.63*10**-34 #planck's constant, J s\n",
+ "Rh=2.18*10**-18 #rydberg's constant, J\n",
+ "ni=5.0 #initial orbit\n",
+ "nf=2.0 #final orbit\n",
+ "\n",
+ "#Calculation\n",
+ "deltaE=Rh*(1/ni**2-1/nf**2) \n",
+ "lamda=c*h/-deltaE \n",
+ "\n",
+ "#Result\n",
+ "print\"The wavelength of the photon is :\",round(lamda*10**9),\"nm\"\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The wavelength of the photon is : 434.0 nm\n"
+ ]
+ }
+ ],
+ "prompt_number": 61
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example no:7.5,Page no:291"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Variable declaration\n",
+ "h=6.63*10**-34 #planck's constant, J s\n",
+ "m1=0.06 #mass, kg\n",
+ "u1=68.0 #speed, m/s\n",
+ "m2=9.1094*10**-31 #mass, kg\n",
+ "u2=68 #speed, m/s\n",
+ "\n",
+ "#Calculation\n",
+ "# (a)\n",
+ "lamda1=h/(m1*u1) #wavelength, m\n",
+ "#(b)\n",
+ "lamda2=h/(m2*u2) #wavelength, m\n",
+ "\n",
+ "#Result\n",
+ "print\"The wavelength of the tennis ball is :\",lamda1,\"m\"\n",
+ "print\"The wavelength of the electron is :%.1e\"%lamda2,\"m\""
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The wavelength of the tennis ball is : 1.625e-34 m\n",
+ "The wavelength of the electron is :1.1e-05 m\n"
+ ]
+ }
+ ],
+ "prompt_number": 62
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example no:,7.7,Page no:299"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Variable declaration\n",
+ "n=3 #Principal quantum no\n",
+ "\n",
+ "#Calculation\n",
+ "#The possible values of l are 0,1,2\n",
+ "s=1 #One 3s orbital,n=3,l=0,ml=0\n",
+ "p=3 #Three p obitals\n",
+ "d=5 #five 'd' orbital\n",
+ "total=s+p+d\n",
+ "\n",
+ "#Result\n",
+ "print\"The total no of orbitals is:\",total"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "The total no of orbitals is: 9\n"
+ ]
+ }
+ ],
+ "prompt_number": 63
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example no:7.9,Page no:306"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#Variable declaration\n",
+ "n=3 #Principal quantum number\n",
+ "l=[0,1,2]\n",
+ "n=[0,0,0]\n",
+ "\n",
+ "#Calculation\n",
+ "print\"Value of l \\t\\t No of orbitals(2l+1)\"\n",
+ "print\"--------------------------------------------\"\n",
+ "total=0\n",
+ "for i in range(0,3):\n",
+ " n[i]=2*l[i]+1\n",
+ " print l[i],\"\\t\\t\\t\\t\",n[i]\n",
+ " total=n[i]+total\n",
+ "max=2*total\n",
+ "\n",
+ "#Result\n",
+ "print\"The maximum number of electrons that can reside is\",max\n",
+ " \n",
+ "\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Value of l \t\t No of orbitals(2l+1)\n",
+ "--------------------------------------------\n",
+ "0 \t\t\t\t1\n",
+ "1 \t\t\t\t3\n",
+ "2 \t\t\t\t5\n",
+ "The maximum number of electrons that can reside is 18\n"
+ ]
+ }
+ ],
+ "prompt_number": 64
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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