diff options
Diffstat (limited to 'Physical_Chemsitry/Chapter10.ipynb')
| -rwxr-xr-x | Physical_Chemsitry/Chapter10.ipynb | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/Physical_Chemsitry/Chapter10.ipynb b/Physical_Chemsitry/Chapter10.ipynb new file mode 100755 index 00000000..8ecfc863 --- /dev/null +++ b/Physical_Chemsitry/Chapter10.ipynb @@ -0,0 +1,202 @@ +{
+ "metadata": {
+ "name": "",
+ "signature": "sha256:5f5d6cc341d2ab999dbe1e5a4234f374f3f6728cc09cef7967ab9dd07f94519e"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "heading",
+ "level": 1,
+ "metadata": {},
+ "source": [
+ "Chapter 10 - Second law of thermodynamics"
+ ]
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 1 - pg 249"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the Change ine entropy\n",
+ "#Initialization of variables\n",
+ "import math\n",
+ "T2=100+273.2 #K\n",
+ "T1=50+273.2 #K\n",
+ "n=1 #mol\n",
+ "R=1.987 #cal/deg mol\n",
+ "#calculations\n",
+ "dS=5/2 *n*R*2.303*math.log10(T2/T1)\n",
+ "#results\n",
+ "print '%s %.3f %s' %(\"Change in entropy =\",dS,\" eu\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Change in entropy = 0.572 eu\n"
+ ]
+ }
+ ],
+ "prompt_number": 1
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 3 - pg 255"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the Entropy change\n",
+ "#Initialization of variables\n",
+ "H=380 #cal\n",
+ "T=273.2+32.1 #K\n",
+ "#calculations\n",
+ "dS=H/T\n",
+ "#results\n",
+ "print '%s %.2f %s' %(\"Entropy change =\",dS,\" eu\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Entropy change = 1.24 eu\n"
+ ]
+ }
+ ],
+ "prompt_number": 2
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 5 - pg 257"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the Work done\n",
+ "#Initialization of variables\n",
+ "Ha=0\n",
+ "Hb=0\n",
+ "#calculations\n",
+ "H=Ha+Hb\n",
+ "q=H\n",
+ "U=0\n",
+ "w=q-H\n",
+ "#results\n",
+ "print '%s %d %s' %(\"Work done =\",w,\"J\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Work done = 0 J\n"
+ ]
+ }
+ ],
+ "prompt_number": 3
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 6 - pg 260"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the change in entropy\n",
+ "#Initialization of variables\n",
+ "import math\n",
+ "prob=0.001\n",
+ "R=1.\n",
+ "N=6.023*10**23\n",
+ "#calculations\n",
+ "dS=1.987*2.303*math.log10(prob) /N\n",
+ "#results\n",
+ "print '%s %.1e %s' %(\"change in entropy =\",dS,\" eu\")"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "change in entropy = -2.3e-23 eu\n"
+ ]
+ }
+ ],
+ "prompt_number": 4
+ },
+ {
+ "cell_type": "heading",
+ "level": 2,
+ "metadata": {},
+ "source": [
+ "Example 7 - pg 263"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [
+ "#calculate the Change in A \n",
+ "#Initialization of variables\n",
+ "T=373.2 #K\n",
+ "c=1.987 #cal/deg\n",
+ "#calculations\n",
+ "w=c*T\n",
+ "A=-w\n",
+ "#results\n",
+ "print '%s %d %s' %(\"Change in A =\",A,\"cal\")\n"
+ ],
+ "language": "python",
+ "metadata": {},
+ "outputs": [
+ {
+ "output_type": "stream",
+ "stream": "stdout",
+ "text": [
+ "Change in A = -741 cal\n"
+ ]
+ }
+ ],
+ "prompt_number": 5
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}
\ No newline at end of file |