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{
"metadata": {
"name": "",
"signature": "sha256:39eab768daff11aebdd87a93356bef21d5d2b1bdfeb10c1efcd7ba6d3163e0fd"
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 9 - Statistical Mechanics"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 2 - pg 525"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#calculate the Absolute Entropy\n",
"#initialisation of variables\n",
"import math\n",
"T= 298.16 #K\n",
"M= 4.003 #gm\n",
"S= 2.3151 #cal mol^-1 deg^-1\n",
"R= 1.987 #cal/molK\n",
"#CALCULATIONS\n",
"S1= 2.5*R*math.log(T)+1.5*R*math.log(M)-S\n",
"#RESULTS\n",
"print '%s %.3f %s' % (' Absolute Entropy=',S1,'cal mol^-1 deg^-1')\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Absolute Entropy= 30.122 cal mol^-1 deg^-1\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3 - pg 528"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#calculate the heat required\n",
"#initialisation of variables\n",
"h= 6.624*10**-27#erg/sec\n",
"N= 6.023*10**23\n",
"c= 3*10**10 #m/sec\n",
"w= 2359.6 #cm**-1\n",
"T= 2000 #K\n",
"K= 1.380*10**-16\n",
"R= 1.987 #cal mol**-1 k**-1\n",
"#CALCULATIONS\n",
"x= h*c*w/(K*T)\n",
"y= 2.71**x\n",
"H= 3.5*R+(N*h*c*w/(T*4.184*10**7*(y-1)))\n",
"#RESULTS\n",
"print '%s %.3f %s' % (' Heat=',H,'cal mol**-1 deg**-1')\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Heat= 7.715 cal mol**-1 deg**-1\n"
]
}
],
"prompt_number": 2
}
],
"metadata": {}
}
]
}
|
