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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 17: Chemistry in the atmosphere"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 17.1: computation_of_wavelength_of_a_photon_from_energy.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"//computation of wavelength of a photon from energy\n",
"\n",
"clear;\n",
"clc;\n",
"\n",
"printf('\t Example 17.1\n');\n",
"\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",
"v=E/h;//frequency of the photon, s^-1\n",
"lambda=3*10^8/v;//wavelength in m, since v*lambda=speed of light in vacuum\n",
"\n",
"printf('\t the maximum wavelength of the photon which can dissociate an O2 molecule is : %4.0f nm\n',lambda*10^9);\n",
"\n",
"//End"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 17.3: Radioactive_decay_and_half_life.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"//Radioactive decay and half life\n",
"\n",
"clear;\n",
"clc;\n",
"\n",
"printf('\t Example 17.3\n');\n",
"\n",
"Rninitial=1;//initial mass of Rn, g\n",
"\n",
"Rnfinal=Rninitial*0.5^10;//final mass of Rn, g\n",
"\n",
"printf('\t the amount of Rn left after 10 half lives is : %4.1f *10^-4 g\n',Rnfinal*10^4);\n",
"\n",
"//End"
]
}
],
"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
}
|
