4. (15 pts) Find the wavelength of a photon whose energy would be sufficient to cleave...

Question

Question

science chemistry

Answer 1

Answer #1

Given:

Energy of 1 mol = 9.46*10^2 KJ/mol

= 9.46*10^5 J/mol

Find energy of 1 photon first

Energy of 1 photon = energy of 1 mol/Avogadro's number

= 9.46*10^5/(6.022*10^23)

= 1.571*10^-18 J

This is energy of 1 photon

use:

E = h*c/lambda

1.571*10^-18J =(6.626*10^-34 J.s)*(3.0*10^8 m/s)/lambda

lambda = 1.265*10^-7 m

Answer: 1.26*10^-7 m

Answer 2

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