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{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 17 : Ceramics and Plastics"
]
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Example 17.1 pageno : 467"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variables\n",
"mc = 12.;\t\t\t#mol wt of carbon\n",
"mh = 1.;\t\t\t#mol wt of hydrogen\n",
"m = 8.*(mc+mh);\t\t\t#mol wt of C8H8\n",
"DOP = 10000.;\t\t\t#degree of polarization , given\n",
"\n",
"# Calculations\n",
"mp = DOP*m;\n",
"\n",
"# Results\n",
"print \"Molecualr weight of Styrene polymer = %.2e \"%mp\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Molecualr weight of Styrene polymer = 1.04e+06 \n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Example 17.2 pageno : 468"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variables\n",
"DOP = 100000.;\n",
"mc = 12.;\t\t\t#mol wt of carbon\n",
"mf = 19.;\t\t\t#mol wt of fluorine\n",
"\n",
"# Calculations\n",
"m = (2*mc)+(4*mf);\t\t\t#mol wt of teflon monomer\n",
"mp = DOP*m;\n",
"mh = 1.;\t\t\t#mol wt of hydrogen\n",
"m1 = (2*mc)+(4*mh);\t\t\t#mol wt of polyethylene\n",
"#for same DOP\n",
"x = m/m1;\t\t\t#ratio of molecular weights\n",
"\n",
"# Results\n",
"print \"Molecualr weight of Teflon polymer = %e\"%mp\n",
"print \"Ratio of molecualr weights of Teflon and Polyethylene = %.2f\"%x\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Molecualr weight of Teflon polymer = 1.000000e+07\n",
"Ratio of molecualr weights of Teflon and Polyethylene = 3.57\n"
]
}
],
"prompt_number": 6
}
],
"metadata": {}
}
]
}
|
