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{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 17:Chemistry in the Atmosphere"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example no:17.1,Page no:774"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Variable declaration\n",
"E=498.7*10**3/(6.022*10**23) #energy in J/molecule\n",
"h=6.63*10**-34 #plancks constant, J s\n",
"\n",
"#Calculation\n",
"v=E/h #frequency of the photon, s**-1\n",
"lamda=3*10**8/v #wavelength in m, since v*lambda=speed of light in vacuum\n",
"\n",
"#Variable declaration\n",
"print\"The maximum wavelength of the photon which can dissociate an O2 molecule is :\",round(lamda*10**9),\"nm\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The maximum wavelength of the photon which can dissociate an O2 molecule is : 240.0 nm\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example no:17.3,Page no:792"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#Variable declaration\n",
"Rninitial=1 #initial mass of Rn, g\n",
"\n",
"#Calculation\n",
"Rnfinal=Rninitial*0.5**10 #final mass of Rn, g\n",
"\n",
"#Result\n",
"print\"The amount of Rn left after 10 half lives is :%.1e\"%Rnfinal,\"g\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The amount of Rn left after 10 half lives is :9.8e-04 g\n"
]
}
],
"prompt_number": 5
}
],
"metadata": {}
}
]
}
|
