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{
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"name": ""
},
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 23:Nuclear Chemistry"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example no:23.2,Page no:994"
]
},
{
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"collapsed": false,
"input": [
"#Variable declaration\n",
"NA=6.022*10**23 #avogadro number\n",
"c=3*10**8 #speed of light, m/s\n",
"p=1.007825 #mass of proton, amu\n",
"n=1.008665 #mass of neutron, amu\n",
"mI=126.9004 #atomic mass of I, amu\n",
"\n",
"#Calculation\n",
"pI=53*p+74*n #estimated mass of I, amu\n",
"deltam=mI-pI #mass defect, amu\n",
"deltaE=-deltam*c**2 #energy released, amu m**2/s**2\n",
"deltaE=deltaE/(NA*1000) #energy released in J\n",
"print\"Nuclear binding energy is %.2e\"%deltaE,\"J\"\n",
"deltaE=deltaE/127 #binding energy per nucleon, J\n",
"\n",
"#Result\n",
"print\"The nuclear binding energy per nucleon is :%.2e\"%deltaE,\"J/nucleon\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Nuclear binding energy is 1.73e-10 J\n",
"The nuclear binding energy per nucleon is :1.36e-12 J/nucleon\n"
]
}
],
"prompt_number": 5
}
],
"metadata": {}
}
]
}
|
