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    Working with lifetime and energy uncertainty

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    The lifetime of a molecule in a certian electronic state is 10e-10 s. What is the uncertianty in energy of this state? Give the answer in J and in J/mol.

    © BrainMass Inc. brainmass.com March 4, 2021, 5:44 pm ad1c9bdddf
    https://brainmass.com/physics/energy/working-with-lifetime-and-energy-uncertainty-8857

    Solution Preview

    According to quantum mechanics, the uncertainity in energy and time is related by the formula,

    dE dt >= h/(4pi)

    where h=6.626 * 10^-34 JS is the ...

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