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diff --git a/Thermodynamics_for_Chemists_by_S_Glasstone/18-Partial_Molar_Properties.ipynb b/Thermodynamics_for_Chemists_by_S_Glasstone/18-Partial_Molar_Properties.ipynb
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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 18: Partial Molar Properties"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 18.1: example_1.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"//initialisation of variables\n",
+"clear\n",
+"k1= 16.4 //ml mole^-1\n",
+"k2= 2.5 //ml mole^-2\n",
+"k3= -1.2 //ml mole^-3\n",
+"m= 1 //molal\n",
+"//CALCULATIONS\n",
+"Ov= k1+k2*m+k3*m^2\n",
+"//RESULTS\n",
+"printf ('Apparent molar volume = %.1f ml mole^-1',Ov)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 18.2: example_2.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"//initialisation of variables\n",
+"clear\n",
+"n= 1 //mole\n",
+"n1= 400 //mole\n",
+"T= 25 //C\n",
+"H1= 5410 //cal\n",
+"H2= -5020 //cal\n",
+"//CALCULATIONS\n",
+"dH= -(H1+H2)\n",
+"//RESULTS\n",
+"printf ('Heat required to remove the water = %.f cal',dH)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 18.3: example_3.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"//initialisation of variables\n",
+"clear\n",
+"n= 1 //mole\n",
+"n1= 400 //mole\n",
+"T= 25 //C\n",
+"H1= 23540 //cal\n",
+"H2= -5410 //cal\n",
+"//CALCULATIONS\n",
+"dH= -(H1+H2)\n",
+"//RESULTS\n",
+"printf ('Heat required to remove the water = %.f cal',dH)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 18.4: example_4.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"//initialisation of variables\n",
+"clear\n",
+"n1= 1 //mole\n",
+"n2= 400 //mole\n",
+"H1= 5638 //cal\n",
+"H2= 23540 //cal\n",
+"L= -1.54 //cal/mole\n",
+"l1= -2.16 //cal/mole\n",
+"l2= 5842 //cal/mole\n",
+"//CALCULATIONS\n",
+"Q1= n2*L+H1+H2\n",
+"Q2= n2*l1+2*l2\n",
+"Q= Q2-Q1\n",
+"//RESULTS\n",
+"printf ('Heat change = %.f cal',Q)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 18.5: example_5.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"//initialisation of variables\n",
+"clear\n",
+"L2= 6000 //cal\n",
+"v= 3 \n",
+"T= 25 //C\n",
+"T1= 0 //C\n",
+"//CALCULATIONS\n",
+"R= ((L2/(v*4.576))*(T-T1)/((273+T1)*(273+T)))\n",
+"r= 10^((L2/(v*4.576))*(T-T1)/((273+T1)*(273+T)))\n",
+"//RESULTS\n",
+"printf ('Ratio = %.3f ',R)\n",
+"printf ('\n Relative change in mean ionic coefficient = %.2f ',r)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 18.6: example_6.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"//initialisation of variables\n",
+"clear\n",
+"L2= 4120 //cal\n",
+"l= -108 //cal mole^-1\n",
+"L21= -306 //cal mole^-1\n",
+"n1= 55.5 //moles\n",
+"n2= 1 //mole\n",
+"//CALCULATIONS\n",
+"Q= L21+L2\n",
+"//RESULTS\n",
+"printf ('differential heat of solution = %.f cal mole^-1',Q)  "
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 18.7: example_7.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"//initialisation of variables\n",
+"clear\n",
+"n1= 2 //moles\n",
+"n2= 100 //moles\n",
+"Cp1= 17.9 //cal deg^-1 mole^-1\n",
+"Cp2= 21.78 //cal deg^-1 mole^-1\n",
+"T1= 30 //C\n",
+"T2= 25 //C\n",
+"L1= 5780 //cal\n",
+"L2= 5410 //cal\n",
+"h= 5620 //cal mole^-1\n",
+"n3= 3 //moles\n",
+"Cp3= 16.55 //cal deg^-1 mole^-1\n",
+"//CALCULATIONS \n",
+"Cp= n2*Cp1+n1*Cp2\n",
+"Q= (T2-T1)*Cp\n",
+"Q1= (n1*L1+L2)\n",
+"Q2= n3*h\n",
+"dQ= Q2-Q1\n",
+"dH= Q+dQ\n",
+"HC= 300*Cp1+n3*Cp3\n",
+"t= -dH/HC\n",
+"Tf= T2+t\n",
+"//RESULTS\n",
+"printf ('Increase in temperature = %.2f deg',t)  \n",
+"printf ('\n Final temperature = %.1f deg',Tf)  "
+   ]
+   }
+],
+"metadata": {
+		  "kernelspec": {
+		   "display_name": "Scilab",
+		   "language": "scilab",
+		   "name": "scilab"
+		  },
+		  "language_info": {
+		   "file_extension": ".sce",
+		   "help_links": [
+			{
+			 "text": "MetaKernel Magics",
+			 "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
+			}
+		   ],
+		   "mimetype": "text/x-octave",
+		   "name": "scilab",
+		   "version": "0.7.1"
+		  }
+		 },
+		 "nbformat": 4,
+		 "nbformat_minor": 0
+}