{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Chapter24 Nuclear Chemistry" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 24.1,Page no.85" ] }, { "cell_type": "code", "execution_count": 21, "metadata": { "collapsed": false }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Binding Energy = 92.09 Mev\n" ] } ], "source": [ "import math\n", "#intialisation of varaibles\n", "E=931 #Mev/amu\n", "nc=6\n", "m=1.00814 #amu\n", "m1=1.00898\n", "mc=12.0038\n", "#CALCULAIONS\n", "md=nc*m+nc*m1-mc \n", "BE=E*md \n", "#RESULTS \n", "BE=round(BE,2)\n", "print 'Binding Energy =',BE,'Mev'" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 24.2,Page no.85" ] }, { "cell_type": "code", "execution_count": 5, "metadata": { "collapsed": false }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "avagadro number = 6.15 * 10**23\n" ] } ], "source": [ "import math\n", "#intialisation of varaibles\n", "r=1.07*10** -4 #ml gˆ−1 dayˆ−1\n", "N1=3.4*10**10 # alpha particles gˆ−1 secˆ−1 \n", "#CALCULATIONS \n", "N=22400*N1*24*60*60/r \n", "#RESULTS \n", "N=N*10**-23\n", "N=round(N,3)\n", "print 'avagadro number =',N,'* 10**23'" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 24.3,Page no.86" ] }, { "cell_type": "code", "execution_count": 23, "metadata": { "collapsed": false }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "millilitres of radon = 0.0007 ml\n" ] } ], "source": [ "import math\n", "#intialisation of varaibles\n", "R=0.08205 # l−atm moleˆ−1 Kˆ−1\n", "T=25 #C\n", "p=1 #atm\n", "Mr=226 #gms\n", "th=3.82 # days\n", "t=1620 # years\n", "#CALCULATIONS \n", "NRn=th/(Mr*t*365.26) \n", "V=NRn*R*(273+T)*1000/p \n", "#RESULTS\n", "V=round(V,4)\n", "print 'millilitres of radon =',V,'ml'" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 24.4,Page no.86" ] }, { "cell_type": "code", "execution_count": 35, "metadata": { "collapsed": false }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "total energy of this reaction = 0.019 Mev\n" ] } ], "source": [ "import math\n", "#intialisation of varaibles\n", "mli=7.01822 #amu\n", "mH=1.00814 #amu\n", "mHe=4.00387 #amu\n", "n=2\n", "E=931 #Mev/amu\n", "#CALCULATIONS\n", "dE=(-n*mHe+mH+mli)\n", "#RESULTS \n", "dE=round(dE,3)\n", "print 'total energy of this reaction =',dE,'Mev'" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 24.5,Page no.87" ] }, { "cell_type": "code", "execution_count": 33, "metadata": { "collapsed": false }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "mass of neutron = 1.009 amu\n" ] } ], "source": [ "import math\n", "#intialisation of varaibles\n", "mr=2.01474 #amu \n", "mH=0.00237 #amu \n", "mD=1.00814 #amu \n", "#CALCULATIONS \n", "mn=mr+mH-mD \n", "#RESULTS\n", "mn=round(mn,3)\n", "print 'mass of neutron =',mn,'amu'" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 24.6,Page no.87" ] }, { "cell_type": "code", "execution_count": 3, "metadata": { "collapsed": false }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "wavelength = 36584.3 M disintegrations per second\n" ] } ], "source": [ "import math\n", "#intialisation of varaibles\n", "t=1600 # years \n", "M=226.0 #gms \n", "k=3.7*10**10 # disintegrations per second \n", "#CALCULATIONS \n", "wl=0.693/(t*365*24*60*60) \n", "r=wl*6.02*10.0**23.0/M \n", "#RESULTS\n", "r=r/10**6\n", "r=round(r,1)\n", "print 'wavelength = ',r,'M disintegrations per second'" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 24.8,Page no.88" ] }, { "cell_type": "code", "execution_count": 27, "metadata": { "collapsed": false }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "age of pitchblende = 335.686 million years\n" ] } ], "source": [ "import math\n", "#intialisation of varaibles\n", "ku=1.52*10** -10 # yearˆ−1\n", "ru=0.0453\n", "ru1=1.0523\n", "Mu=238 #gms\n", "mu=206 #gms\n", "#CALCULATIONS\n", "dt=ru*Mu/(ku*ru1*mu) \n", "t=2.303*math.log10(ru1/(ru1 -(ru*Mu/mu)))/(ku*10**6) \n", "#RESULTS\n", "t=round(t,3)\n", "print 'age of pitchblende =',t,'million years'" ] } ], "metadata": { "anaconda-cloud": {}, "kernelspec": { "display_name": "Python [Root]", "language": "python", "name": "Python [Root]" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 2 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython2", "version": "2.7.11" } }, "nbformat": 4, "nbformat_minor": 0 }