{ "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": {} } ] }