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
|
{
"metadata": {
"name": "",
"signature": "sha256:13323936ef2e62d44534d1e2a20550e892e59337bee53263e64e756951d19fc1"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 3 : The first law of thermodynamics"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.1 Page No : 34"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variables\n",
"p = 1.013*10**6 \t\t\t#dynecm**2\n",
"T = 273.16 \t\t\t#K\n",
"V = 773.4 \t\t\t#cc\n",
"n = 0.0687 \t\t\t#cal\n",
"#CALCCULATIONS\n",
"W = p*V/T\n",
"k = W/n\n",
"\n",
"# Results\n",
"print 'Work of expansion = %.2e ergs'%(W)\n",
"print ' 1 cal = %.2e ergs'%(k)\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Work of expansion = 2.87e+06 ergs\n",
" 1 cal = 4.17e+07 ergs\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.2 Page No : 44"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variables\n",
"import math \n",
"R = 8.314*10**7 \t\t\t#J/mol K\n",
"T = 298.2 \t \t\t#K\n",
"p1 = 1. \t\t\t#atm\n",
"p2 = 5.\t \t\t #atm\n",
"\n",
"# Calculations\n",
"W = R*T*math.log(p1/p2)\n",
"\n",
"# Results\n",
"print 'Work of expansion = %.2e ergs mole**-1 '%(W)\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Work of expansion = -3.99e+10 ergs mole**-1 \n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}
|
