{ "metadata": { "name": "", "signature": "sha256:09be9a8e5f91af8fef0686407088d245fede9d0f128504215da1542a47c5c9a8" }, "nbformat": 3, "nbformat_minor": 0, "worksheets": [ { "cells": [ { "cell_type": "heading", "level": 1, "metadata": {}, "source": [ "Chapter16-Hydrolysis and Neutralization" ] }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Ex1-pg522" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import math\n", "##Intitalisation of variables\n", "c= 0.01 ##M\n", "T= 25. ##C\n", "kw= 1.01*10**-14 \n", "ka= 1.75*10**-5\n", "##CALCULATIONS\n", "x= math.sqrt(kw/(ka*c))\n", "##RESULTS\n", "print'%s %.1e %s'% ('Degree of hydrolysis = ',x,'')\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Degree of hydrolysis = 2.4e-04 \n" ] } ], "prompt_number": 1 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Ex2-pg522" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import math\n", "##Intitalisation of variables\n", "c= 0.01 ##M\n", "ka= 1.75*10**-5\n", "pkw= 14.\n", "ka1= 1.79\n", "##CALCULATIONS\n", "pH= 0.5*pkw-0.5*math.log(ka)+0.5*math.log(c)-ka1\n", "##RESULTS\n", "print'%s %.2f %s'% ('pH of solution = ',pH,'')\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "pH of solution = 8.38 \n" ] } ], "prompt_number": 2 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Ex3-pg526" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import math\n", "##Intitalisation of variable\n", "k1= 10**-14\n", "c= 0.1 ##M\n", "pH= 8.88\n", "cH= 1.32*10**-9 ##gms\n", "##CALCULATIONS\n", "x= k1/(c*cH)\n", "kh= c*x**2\n", "##RESULTS\n", "print'%s %.2e %s'% ('x = ',x,'')\n", "print'%s %.2e %s'% ('\\n Hydrolysis constant = ',kh,'')\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "x = 7.58e-05 \n", "\n", " Hydrolysis constant = 5.74e-10 \n" ] } ], "prompt_number": 3 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Ex4-pg527" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import math\n", "##Intitalisation of variables\n", "c= 0.0156 ##M\n", "ec= 111.5 ##ohm^-1 cm^2\n", "ac= 99.9 ##ohm^-1 cm^2\n", "ac1= 426. ##ohm^-1 cm^2\n", "kw= 10**-14 \n", "##CALCULATIONS\n", "x= (ec-ac)/(ac1-ac)\n", "kh= c*x**2/(1.-x)\n", "kb= kw/kh\n", "##RESULTS\n", "print'%s %.2f %s'% ('x = ',x,'')\n", "print'%s %.1e %s'% ('\\n Hydrolysis constant = ',kh,'')\n", "print'%s %.1e %s'% ('\\n Dissociation constant = ',kb,'')\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "x = 0.04 \n", "\n", " Hydrolysis constant = 2.0e-05 \n", "\n", " Dissociation constant = 4.9e-10 \n" ] } ], "prompt_number": 4 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Ex5-pg531" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import math\n", "##Intitalisation of variables\n", "pH= 7.\n", "c1=1. ##M\n", "c2= 0.155 ##M\n", "c3= 0.25 ##m\n", "c4= 0.05 ##M\n", "c5= 0.62 ##M\n", "pka= 7.21\n", "##CALCULATIONS\n", "ph1= pka+math.log10((c5+c4)/(c1-c4))\n", "ph2= pka+math.log10((c2+c4)/(c3-c4))\n", "##RESULTS\n", "print'%s %.2f %s'% ('final pH = ',ph1,'')\n", "print'%s %.2f %s'% ('\\n final pH = ',ph2,'')\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "final pH = 7.06 \n", "\n", " final pH = 7.22 \n" ] } ], "prompt_number": 5 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Ex6-pg535" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import math\n", "##Intitalisation of variablesclear\n", "v1= -0.1252 ##volt\n", "v2= 0.3636##volt\n", "v3= 0.05915##volt\n", "##CALCULATIONS\n", "ph= (v1+v2)/v3\n", "##RESULTS\n", "print'%s %.2f %s'% ('final pH = ',ph,'')\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "final pH = 4.03 \n" ] } ], "prompt_number": 6 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Ex7-pg540" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import math\n", "##Intitalisation of variable\n", "pki= 3.98\n", "t1= 0.85 ##mm\n", "t2= 0.15 ##mm\n", "##CALCULATIONS\n", "pH= pki+math.log10(t1/t2)\n", "##RESULTS\n", "print'%s %.2f %s'% ('pH of the solution = ',pH,'')\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "pH of the solution = 4.73 \n" ] } ], "prompt_number": 7 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Ex8-pg541" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import math\n", "##Intitalisation of variables\n", "pki= 7.\n", "t1= 3. ##drops\n", "t2= 7. ##drops\n", "##CALCULATIONS\n", "pH= pki+math.log10(t1/t2)\n", "##RESULTS\n", "print'%s %.2f %s'% ('pH of the solution = ',pH,'')\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "pH of the solution = 6.63 \n" ] } ], "prompt_number": 8 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Ex9-pg545" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import math\n", "##Intitalisation of variables\n", "c= 0.1 ##N\n", "ka= 5.75*10**-10 \n", "##CALCULATIONS\n", "cH= math.sqrt(c*ka)\n", "pH= -math.log10(cH)\n", "##RESULTS\n", "print'%s %.2e %s'% ('cH = ',cH,'')\n", "print'%s %.2f %s'% ('\\n pH of the solution = ',pH,'')\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "cH = 7.58e-06 \n", "\n", " pH of the solution = 5.12 \n" ] } ], "prompt_number": 9 } ], "metadata": {} } ] }