1) A local FM radio station broadcasts at a frequency of 103.5 MHz a) what is th
ID: 828801 • Letter: 1
Question
1) A local FM radio station broadcasts at a frequency of 103.5 MHz
a) what is the energy of one photon of this radiation?
2) The "ionization energy" is the energy needed to remove and electron from an atom. In the Bohr model of the hydrogen atom, this means exciting the electron to the n=infinity energy level. What is the "ionization energy" for a hydrogen atom if the electron is initially at n=2 energy level.
How many photons from the first question would be needed to ionize the H atom in the second question?
Explanation / Answer
E = hv = 6.6*10^-34 * 103.5* 10^6 =6.831*10^-26 J
/
To determine the ionization energy of a hydrogen atom (in kJ/mol) if the electron is in its ground state. (Hint: Use the Rydberg equation, remember E=hc/lambda for a single H atom, and R=109678x10
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