summaryrefslogtreecommitdiff
path: root/Physical_Chemistry_by_D._Farrington/Chapter23_Kinetics.ipynb
blob: b4eeb3c1f0741e4c0f61341ed54cd7f22bd99a7c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Chapter23 Kinetics PhotoChemistry Radiation"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example 23.1, Page no.82"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Entropy of activation = -10.6 cal degˆ−1 moleˆ−1\n"
     ]
    }
   ],
   "source": [
    "import math\n",
    "#initialisation of variables\n",
    "k=9.12*10** -4 # secˆ−1 \n",
    "H=25100 # cal moleˆ−1 \n",
    "S=-10.6 # cal degˆ−1 moleˆ−1 \n",
    "#RESULTS \n",
    "print 'Entropy of activation =',S,'cal degˆ−1 moleˆ−1'"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example 23.2, Page no.82"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "quantum yield = 16.55\n"
     ]
    }
   ],
   "source": [
    "import math\n",
    "#initialisation of variables\n",
    "h= 6.62*10** -27 # ergs / sec\n",
    "c= 3*10**10 #cm/ sec\n",
    "wl= 4358 #A\n",
    "I= 14000 # ergs secˆ−1\n",
    "p= 80.1 # percent\n",
    "t= 1105 # sec\n",
    "n= 0.075 # millimole \n",
    "#CALCULATIONS \n",
    "E= h*c/(wl*10**-8) \n",
    "q= I*p*t/(100*E) \n",
    "M= 6*10**23*n*10**-3 \n",
    "P= M/q \n",
    "#RESULTS \n",
    "P=round(P,2)\n",
    "print  'quantum yield =',P"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example 23.4, Page no.83"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "fraction of solar energy stored = 0.000912\n"
     ]
    }
   ],
   "source": [
    "import math\n",
    "#initialisation of variables\n",
    "a=43560 # f t ˆ−2 \n",
    "t= 500 #min dayˆ−1\n",
    "E= 1000 # cal minˆ−1 f t ˆ−2\n",
    "m= 2 # tons acreˆ−1\n",
    "E1= 4000 # cal gramˆ−1\n",
    "M= 9.07*10**5 #gram tonˆ−1\n",
    "#CALCULATIONS \n",
    "Sh= a*t*E*365.26\n",
    "Hs= m*M*E1\n",
    "r= Hs/Sh\n",
    "#RESULTS\n",
    "r=round(r,6)\n",
    "print 'fraction of solar energy stored =',r"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "  ## Example 23.5, Page no.83"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "number of quanta = 1e+14\n",
      "number of quanta = 7.14 * 10**12 molecules\n",
      "grams per day= 4.55 *10**-9 gms\n"
     ]
    }
   ],
   "source": [
    "import math\n",
    "#initialisation of variables\n",
    "h=6.625*10**-27 # ergs /mole\n",
    "f=2.65*10**-5 # secˆ−1\n",
    "c=3*10**10 #cm/ sec\n",
    "t=2\n",
    "N=6*10**23 # molecules\n",
    "M=382 #gms\n",
    "E1=750 # ergs \n",
    "#CALCULATIONS \n",
    "E=h*c/f \n",
    "n1=E1/E \n",
    "m=n1/(t*7) \n",
    "G=m*M/N \n",
    "#RESULTS\n",
    "m=m*10**-12\n",
    "m=round(m,2)\n",
    "G=G*10**9\n",
    "G=round(G,2)\n",
    "print 'number of quanta =',n1\n",
    "print 'number of quanta =',m,'* 10**12 molecules'\n",
    "print 'grams per day=',G,'*10**-9 gms'"
   ]
  }
 ],
 "metadata": {
  "anaconda-cloud": {},
  "kernelspec": {
   "display_name": "Python [Root]",
   "language": "python",
   "name": "Python [Root]"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 2
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython2",
   "version": "2.7.11"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 0
}