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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter12 Chemical Kinetics"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 12.1, Page no.48"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"fraction of nitrogen pentoxide remain unreacted after 1 hour= 0.311\n"
]
}
],
"source": [
"import math\n",
"#initialisation of variables\n",
"Vs=23.95 #ml \n",
"Ve=34.75 #ml \n",
"#CALCULATIONS \n",
"fr=(Ve-Vs)/Ve \n",
"#RESULTS \n",
"fr=round(fr,3)\n",
"print 'fraction of nitrogen pentoxide remain unreacted after 1 hour=',fr"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 12.2, Page no.48"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"fraction remained undecomposed 0.5\n"
]
}
],
"source": [
"import math\n",
"#initialisation of variables\n",
"Ps=200.0 #mm \n",
"Pe=390.0 #mm \n",
"Pt=300.0 #mm \n",
"t=500.0 #sec\n",
"Pe1=400.0 #mm \n",
"#CALCULATIONS \n",
"r= (Pe1-Pt)/(Pe1 -Ps)\n",
"#RESULTS\n",
"print 'fraction remained undecomposed',r"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 12.3, Page no.49"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"time of residence of gas= 25.0 sec\n"
]
}
],
"source": [
"import math\n",
"#initialisation of variables\n",
"V=1200.0 #ml\n",
"V1=100.0 #ml\n",
"t=300.0 # sec\n",
"#CALCULATIONS\n",
"r=V/t\n",
"t1=V1/r\n",
"#RESULTS \n",
"print 'time of residence of gas=',t1,'sec'"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 12.4, Page no.49"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"k= 0.107 lit molˆ−1 secˆ−1\n"
]
}
],
"source": [
"import math\n",
"#initialisation of variables\n",
"y=0.550\n",
"x=2400.0\n",
"d=0.00494\n",
"#CALCULATIONS\n",
"s=y/x\n",
"k=s*2.303/d\n",
"#RESULTS \n",
"k=round(k,3)\n",
"print 'k=',k,'lit molˆ−1 secˆ−1'"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 12.7, Page no.50"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"second order rate for this constant= 0.0061 lit molˆ−1 secˆ−1\n"
]
}
],
"source": [
"import math\n",
"from math import sqrt,pi\n",
"#initialisation of variables\n",
"T=393.7 #C \n",
"k=2.6*10** -4 # l i t molˆ−1 secˆ−1 \n",
"R=1.987 # cal moleˆ−1 Kˆ−1 \n",
"E=45.6 # kcal moleˆ−1 \n",
"wl=3.5 #A \n",
"N=6*10**23 # molecules \n",
"R1=8.31*10 # ergs moleˆ−1 Kˆ−1 \n",
"M=127.9 #g moleˆ−1 \n",
"#CALCULATIONS \n",
"k=2*10**2*N*sqrt(pi*R1*(273.1+T)/M)*(wl*10**-8)**2*math.exp(-E*10**3/(R*(273.1+T)))\n",
"#RESULTS\n",
"k=round(k,4)\n",
"print 'second order rate for this constant=',k,'lit molˆ−1 secˆ−1'"
]
}
],
"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
}
|
