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diff --git a/Physical_Chemsitry/Chapter7.ipynb b/Physical_Chemsitry/Chapter7.ipynb new file mode 100755 index 00000000..c4d52fe6 --- /dev/null +++ b/Physical_Chemsitry/Chapter7.ipynb @@ -0,0 +1,301 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:163d017a43636b203253208922a2be0b72d9894b37f4d97c9da43a5e9b39c875"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 7 - Gases and Introductory stastical thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 2 - pg 192"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the Gas constant\n",
+ "#Initialization of variables\n",
+ "h=76. #cm\n",
+ "d=13.5951 #g/cc\n",
+ "g=980.655 #cm/s^2\n",
+ "T=273.15 #K\n",
+ "v=22414.6 #cm^3 /mol\n",
+ "#calculations\n",
+ "P=h*d*g\n",
+ "R=P*v/(T)\n",
+ "#results\n",
+ "print '%s %.3e %s' %(\"Gas constant =\",R,\"ergs/deg. mol\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Gas constant = 8.315e+07 ergs/deg. mol\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3 - pg 192"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the R value in calories\n",
+ "#Initialization of variables\n",
+ "cal=4.184*10**7 #ergs\n",
+ "R=8.315*10**7 #ergs/deg/mol\n",
+ "#calculations\n",
+ "Rdash=R/cal\n",
+ "#results\n",
+ "print '%s %.3f %s' %(\"R in calories =\",Rdash,\" cal/ deg mol\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "R in calories = 1.987 cal/ deg mol\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 4 - pg 192"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the root mean square velocity\n",
+ "#Initialization of variables\n",
+ "import math\n",
+ "from math import sqrt\n",
+ "R=8.315*10**7 #ergs/deg/mol\n",
+ "T=273.2 #deg\n",
+ "M=4 #g/mol\n",
+ "#calculations\n",
+ "u2=3*T*R/M\n",
+ "u=sqrt(u2)\n",
+ "#results\n",
+ "print '%s %.2e %s' %(\"root mean square velocity =\",u,\" cm/sec\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "root mean square velocity = 1.31e+05 cm/sec\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5 - pg 194"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the Partial pressure of N2, O2 and CO2\n",
+ "#Initialization of variables\n",
+ "n1=2.\n",
+ "n2=10.\n",
+ "n3=3.\n",
+ "P=720. #mm of Hg\n",
+ "#calculations\n",
+ "n=n1+n2+n3\n",
+ "x1=n1/n\n",
+ "P1=x1*P\n",
+ "x2=n2/n\n",
+ "P2=x2*P\n",
+ "x3=n3/n\n",
+ "P3=x3*P\n",
+ "#results\n",
+ "print '%s %d %s' %(\"\\n Partial pressure of N2 =\",P1,\"mm\")\n",
+ "print '%s %d %s' %(\"\\n Partial pressure of O2 =\",P2,\" mm\")\n",
+ "print '%s %d %s' %(\"\\n Partial pressure of CO2 =\",P3,\"mm\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "\n",
+ " Partial pressure of N2 = 96 mm\n",
+ "\n",
+ " Partial pressure of O2 = 480 mm\n",
+ "\n",
+ " Partial pressure of CO2 = 144 mm\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6 - pg 197"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the Total energy\n",
+ "#Initialization of variables\n",
+ "T=273.2+25 #K\n",
+ "n=1 #mol\n",
+ "R=1.987 #cal/deg mol\n",
+ "#calculations\n",
+ "Etr=1.5*n*R*T\n",
+ "Erot=1.5*n*R*T\n",
+ "Evib=0\n",
+ "Eel=0\n",
+ "Etot=Etr+Erot+Evib+Eel\n",
+ "#results\n",
+ "print '%s %d %s' %(\"Total energy =\",Etot,\"cal\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Total energy = 1777 cal\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7 - pg 199"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the Molecular diameter of He\n",
+ "#Initialization of variables'\n",
+ "import math\n",
+ "b=24.1 #cm^2/mol\n",
+ "N=6.023*10**23 #mole^-1\n",
+ "#calculations\n",
+ "d=(3*b/(2*math.pi*N))**(1./3)\n",
+ "#results\n",
+ "print '%s %.2e %s' %(\"Molecular diameter of He =\",d,\" cm\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Molecular diameter of He = 2.67e-08 cm\n"
+ ]
+ }
+ ],
+ "prompt_number": 6
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 8 - pg 205"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the Volume\n",
+ "#Initialization of variables\n",
+ "P=100. #atm\n",
+ "T=200. #K\n",
+ "n=1. #mole\n",
+ "R=0.08206 #l atm/deg mol\n",
+ "print \"From psychrometric charts,\"\n",
+ "Tc=126.2 #K\n",
+ "Pc=33.5 #K\n",
+ "#calculations\n",
+ "Pr=P/Pc\n",
+ "Tr=T/Tc\n",
+ "print \"From z charts,\"\n",
+ "z=0.83\n",
+ "V=z*n*R*T/P\n",
+ "#results\n",
+ "print '%s %.3f %s' %(\"Volume =\",V,\" liter\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "From psychrometric charts,\n",
+ "From z charts,\n",
+ "Volume = 0.136 liter\n"
+ ]
+ }
+ ],
+ "prompt_number": 7
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
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