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Diffstat (limited to 'Chemistry/Chapter_6.ipynb')
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diff --git a/Chemistry/Chapter_6.ipynb b/Chemistry/Chapter_6.ipynb deleted file mode 100755 index c09bdeb7..00000000 --- a/Chemistry/Chapter_6.ipynb +++ /dev/null @@ -1,422 +0,0 @@ -{
- "metadata": {
- "name": ""
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 6:Thermochemistry"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example no:6.1,Page no:237"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Variable declaration\n",
- "P1=0 #external pressure, atm\n",
- "Vf1=6 #final volume, L\n",
- "Vi1=2 #initial volume, L\n",
- "P2=1.2 #external pressure, atm\n",
- "Vf2=6 #final volume, L\n",
- "Vi2=2 #initial volume, L\n",
- "\n",
- "\n",
- "#Calculation\n",
- "#(a)\n",
- "W1=-P1*(Vf1-Vi1) #work in atm.L\n",
- "#(b)\n",
- "W2=-P2*(Vf2-Vi2) #work in atm.L\n",
- "W2=W2*101.3 #work in J\n",
- "\n",
- "#Result\n",
- "print\"(a).The work done in expansion against vacuum is :\",W1,\"J\\n\"\n",
- "print\"(b).The work done in expansion against 1.2 atm pressure is :%.1e\"%W2,\"J\\n\"\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "(a).The work done in expansion against vacuum is : 0 J\n",
- "\n",
- "(b).The work done in expansion against 1.2 atm pressure is :-4.9e+02 J\n",
- "\n"
- ]
- }
- ],
- "prompt_number": 44
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example no:6.2,Page no:238"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Variable declaration\n",
- "q=-128 #heat transfer from the gas, J\n",
- "w=462 #work done in compressing the gas, J\n",
- "\n",
- "#Calculation\n",
- "deltaE=q+w #change in energy of the gas, J\n",
- "\n",
- "#Result\n",
- "print\"The change in energy for the process is :\",deltaE,\"J\\n\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The change in energy for the process is : 334 J\n",
- "\n"
- ]
- }
- ],
- "prompt_number": 45
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example no:6.3,Page no:243"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Variable declaration\n",
- "mSO2=87.9 #mass in g\n",
- "SO2=64.07 #molar mass in g\n",
- "\n",
- "#Calculation\n",
- "nSO2=mSO2/SO2 #moles of SO2\n",
- "deltaH=-198.2 #heat produced for 2 mol, in kJ/mol\n",
- "deltaH=deltaH/2 #for one mole SO2,in kJ/mol\n",
- "Hprod=deltaH*nSO2 #heat produced in this case, in kJ/mol\n",
- "\n",
- "#Result\n",
- "print\"The heat produced in a reaction is :\",round(Hprod),\"kJ\\n\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The heat produced in a reaction is : -136.0 kJ\n",
- "\n"
- ]
- }
- ],
- "prompt_number": 46
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example no:6.4,Page no:245"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Variable declaration\n",
- "R=8.314 #gas constant, J/K. mol\n",
- "T=298 #temp in K\n",
- "deltaH=-566 #enthalpy change, kJ/mol\n",
- "deltan=2-3 #change in gas moles\n",
- "\n",
- "#Calculation\n",
- "deltaE=deltaH-R*T*deltan/1000.0 #change in internal energy, kJ/mol\n",
- "\n",
- "#Result\n",
- "print\"The change in internal energy in the reaction is :\",round(deltaE,1),\"kJ/mol\\n\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The change in internal energy in the reaction is : -563.5 kJ/mol\n",
- "\n"
- ]
- }
- ],
- "prompt_number": 47
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example no:6.5,Page no:246"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Variable declaration\n",
- "m=466 #mass in g\n",
- "s=4.184 #specific heat in J/g C\n",
- "\n",
- "#Calculation\n",
- "deltaT=74.6-8.5 #change in temp, C/K\n",
- "q=m*s*deltaT/1000 #amount of heat absorbed, kJ\n",
- "\n",
- "#Result\n",
- "print\"\\t the amount of heat absorbed is :\",round(q),\"kJ\\n\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "\t the amount of heat absorbed is : 129.0 kJ\n",
- "\n"
- ]
- }
- ],
- "prompt_number": 48
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example no:6.6,Page no:248"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Variable declaration\n",
- "Ccal=10.17 #heat capacity, kJ/C\n",
- "deltaT=25.95-20.28 #change in temp, C\n",
- "m=1.435 #mass of naphthalene, g\n",
- "molm=128.2 #mol mass of naphthalene, g\n",
- "\n",
- "#Calculation\n",
- "qcal=Ccal*deltaT \n",
- "q=-qcal*molm/m #molar heat of combustion of naphthalene, kJ\n",
- "\n",
- "#Result\n",
- "print\"The molar heat of combustion of naphthalene is :%.3g\"%q,\"kJ/mol\\n\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The molar heat of combustion of naphthalene is :-5.15e+03 kJ/mol\n",
- "\n"
- ]
- }
- ],
- "prompt_number": 49
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example no:6.7,Page no:249"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Variable declaration\n",
- "#for water\n",
- "m=100 #mass, g\n",
- "s=4.184 #specific heat, J/g C\n",
- "deltaT=23.17-22.5 #change in temp., C\n",
- "qH2O=m*s*deltaT #heat gained by water, J\n",
- "\n",
- "#for lead\n",
- "qPb=-qH2O #heat lost by lead, J\n",
- "m=26.47 #mass, g\n",
- "\n",
- "#Calculation\n",
- "deltaT=23.17-89.98 #change in temp., C\n",
- "s=qPb/(m*deltaT) #specific heat, J/g C\n",
- "\n",
- "#Result\n",
- "print\"The specific heat of lead is :\",round(s,3),\"J/g C\\n\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The specific heat of lead is : 0.159 J/g C\n",
- "\n"
- ]
- }
- ],
- "prompt_number": 50
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example no:6.8,Page no:249"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Variable declaration\n",
- "#for water\n",
- "m=100+100 #mass, g\n",
- "s=4.184 #specific heat, J/g C\n",
- "deltaT=25.86-22.5 #change in temp., C\n",
- "\n",
- "#Calculation\n",
- "qsoln=m*s*deltaT/1000 #heat gained by water, kJ\n",
- "qrxn=-qsoln \n",
- "Hneut=qrxn/(0.5*0.1) \n",
- "\n",
- "#Result\n",
- "print\"The heat of neutralization is :\",round(Hneut,1),\"kJ/mol\\n\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The heat of neutralization is : -56.2 kJ/mol\n",
- "\n"
- ]
- }
- ],
- "prompt_number": 52
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example no:6.9,Page no:256"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Variable declaration\n",
- "deltaH1=-393.5 #kJ/mol\n",
- "deltaH2=-285.8 #kJ/mol\n",
- "deltaH3=-2598.8 #kJ/mol\n",
- "\n",
- "#Calculation\n",
- "deltaH4=2*(deltaH1)\n",
- "deltaH5=(-1.0/2.0)*deltaH3\n",
- "std_H=deltaH4+deltaH2+deltaH5\n",
- "#Result\n",
- "print\"Standard enthalpy of formation of acetylene is:\",std_H,\"kJ/mol\""
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "1299.4\n",
- "Standard enthalpy of formation of acetylene is: 226.6 kJ/mol\n"
- ]
- }
- ],
- "prompt_number": 5
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example no:6.10,Page no:258"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#Variable declaration\n",
- "deltaH_Fel=12.4 #Heat of frmtn of Fe(l) in kJ/mol\n",
- "deltaH_Al2O3=-1669.8 #Heat of formation of Al2O3 in kJ/mol\n",
- "deltaH_Al=0 #Heat of formation of Al\n",
- "deltaH_Fe2O3=-822.2 #Heat of formtion of Fe2O3 kJ/mol\n",
- "M_Al=26.98 #Molar mass of Al\n",
- "\n",
- "#Calculation\n",
- "deltaH_rxn=(deltaH_Al2O3+2*deltaH_Fel)-(2*deltaH_Al+deltaH_Fe2O3)\n",
- "ratio=deltaH_rxn/2.0\n",
- "heat_released=ratio/M_Al\n",
- "\n",
- "#Result\n",
- "print\"Heat released per gram of Al is\",round(heat_released,2),\"kJ/g\"\n",
- "\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Heat released per gram of Al is -15.25 kJ/g\n"
- ]
- }
- ],
- "prompt_number": 7
- }
- ],
- "metadata": {}
- }
- ]
-}
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