removing problem statements

1 files changed, 15 insertions, 43 deletions

diff --git a/Elements_Of_Mass_Transfer_Part_1/ch7.ipynb b/Elements_Of_Mass_Transfer_Part_1/ch7.ipynb
index 0c7c641e..9dcbb1df 100644
--- a/Elements_Of_Mass_Transfer_Part_1/ch7.ipynb
+++ b/Elements_Of_Mass_Transfer_Part_1/ch7.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:9c280dff7f4e1d5ae99e0fbadb3fa83466c67b9a415e20bbef76992fab6df294"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,10 +28,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# total weight of the solution\n",
-      "\n",
-      "#let x be the weight of water in the quantity of solution needed\n",
-      "# Variable Declaration  \n",
+      " \n",
       "c=.498;                #solute content afetr crystallisation\n",
       "W1=111.;                #molecular weight of CaCl2\n",
       "W2=219.;                #molecular weight of CaCl2.6H2O\n",
@@ -80,9 +78,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# percentage saturation and yield\n",
-      "\n",
-      "# Variable Declaration  \n",
+      " \n",
       "\n",
       "#part(i)\n",
       "w1=1000.;               #weight of solution to be cooled\n",
@@ -138,9 +134,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "#  temperature to which solution should be cooled\n",
-      "\n",
-      "# Variable Declaration  \n",
+      "   \n",
       "\n",
       "s1=19.75;              #solubility at 70 degree per 100 gm of water\n",
       "s2=16.5;              #solubility at 50 degree per 100 gm of water\n",
@@ -186,9 +180,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# percentage saturation and yield\n",
-      "\n",
-      "# Variable Declaration  \n",
+      "   \n",
       "\n",
       "#part(i)\n",
       "a1=146.;                #solubility at 70 degree\n",
@@ -243,9 +235,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "#  the weight of Na2SO4 hydrate crystal\n",
-      "\n",
-      "# Variable Declaration  \n",
+      "  \n",
       "\n",
       "p1=.3;                   #percentage of the solute in the solution\n",
       "w1=1000.;                 #weight of the solution taken\n",
@@ -291,9 +281,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# percentage yield of Na2CO3 hydrated crysta\n",
-      "\n",
-      "# Variable Declaration  \n",
+      "   \n",
       "\n",
       "s1=12.5;                  #solubility of Na2CO3 at 10 degree per 100 gm of water\n",
       "p1=.3;                   #percentage of the solute in the solution\n",
@@ -343,10 +331,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# percentage yield of K2CO3 hydrated crystal\n",
-      "\n",
-      "# Variable Declaration  \n",
-      "\n",
+      " \n",
       "s1=139.8;              #solubility at 80 degree per 100 gm of water\n",
       "s2=110.5;              #solubility at 20 degree per 100 gm of water\n",
       "w2=174.2;                 #molecular weight of K2CO3.10H2O\n",
@@ -393,9 +378,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# percentage yield FeSO4 hydrate crystal\n",
-      "\n",
-      "# Variable Declaration  \n",
+      "  \n",
       "\n",
       "s1=20.51;                  #solubility at 10 degree per 100 gm of water\n",
       "w2=277.85;                 #molecular weight of FeSO4.7H2O\n",
@@ -439,10 +422,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "#  percentage saturation and weight of Cesium chloride crystal\n",
-      "\n",
-      "# Variable Declaration  \n",
-      "\n",
+      " \n",
       "#part(i)\n",
       "a1=229.7;              #solubility at 60 degree\n",
       "a2=174.7;              #solubility at 60 degree\n",
@@ -495,9 +475,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "#  weight of Na2CO3hydrate needed to dissolve Na2CO3\n",
-      "\n",
-      "# Variable Declaration  \n",
+      "  \n",
       "\n",
       "s1=38.8;              #solubility at 30 degree per 100 gm of water\n",
       "s2=12.5;              #solubility at 10 degree per 100 gm of water\n",
@@ -551,9 +529,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "#  weight of Na2CO3 hydrated formed\n",
-      "\n",
-      "# Variable Declaration  \n",
+      "   \n",
       "\n",
       "s1=35.;                #percentage of solution\n",
       "x1=6000.;              #weight of Na2CO3 solution\n",
@@ -601,9 +577,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "#  feed rate of FeSO4 hydrated crystal produced per hour\n",
-      "\n",
-      "# Variable Declaration  \n",
+      " \n",
       "\n",
       "C=1000.;                      #crystal formed in kg\n",
       "hf=26.002;                   #enthalpy of the feed at 80 degree in cal/g\n",
@@ -664,9 +638,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# cooling water requirement\n",
-      "\n",
-      "# Variable Declaration  \n",
+      " \n",
       "\n",
       "import math\n",
       "C=800.;                       #crystal formed in kg/hr\n",