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Ap Chemistry

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Calculate the wavelength of light that must be absorbed by hydrogen atom in its ground state to reach the excited ste of E=+2.914*10^(-18)

  • Ap Chemistry - ,

    E = hc/λ where h = 6.626 E -34 Js

    +2.914*10^(-18) J = [6.626*10^(-34) Js (3*10^8) m/s] / λ

    so do some mathematical manipulation and isolate λ to get:

    λ = [6.626*10^(-34) Js (3*10^8) m/s] / +2.914*10^(-18) J

    & you can use a calculator to get the final answer :)

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