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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": {}
+  }
+ ]
+}
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