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Radda [10]
3 years ago
6

I'm not sure what equation to use.

Physics
1 answer:
Lelechka [254]3 years ago
7 0
I would think that you would multiply then divide
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An electron in the n = 5 level of an h atom emits a photon of wavelength 1282.17 nm. to what energy level does the electron move
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This is an interesting (read tricky!) variation of Rydberg Eqn calculation.
Rydberg Eqn: 1/λ = R [1/n1^2 - 1/n2^2]
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R is the Rydberg constant: R = 1.09737×10^7 m-1
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Hence 1/(1282.17 ×10^-9) = 1.09737× 10^7 [1/n1^2 – 1/25^2]
Some rearranging and collecting up terms:
1 = (1282.17 ×10^-9) (1.09737× 10^7)[1/n2 -1/25]
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