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////Variable Declarations
mr = 2.5e-3 //Moles reacted, mol
P = 100.0 //Irradiation Power, J/s
t = 27 //Time of irradiation, s
h = 6.626e-34 //Planks constant, Js
c = 3.0e8 //Speed of light, m/s
labda = 280e-9 //Wavelength of light, m
//Calculation
Eabs = P*t
Eph = h*c/labda
nph = Eabs/Eph //moles of photone
phi = mr/6.31e-3
//Results
printf("\n Total photon energy absorbed by sample %3.1e J",Eabs)
printf("\n Photon energy absorbed at 280 nm is %3.1e J",Eph)
printf("\n Total number of photon absorbed by sample %3.1e photones",nph)
printf("\n Overall quantum yield %4.2f",phi)
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