Chemistry

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An alpha particle (mass = 6.6 10-24 g) emitted by radium travels at 2.5 107 ± 0.1 107 mi/h.
(a) What is its de Broglie wavelength (in meters)?
(b) What is the uncertainty in its position?

  • Chemistry -

    wavelength = h/mv
    Don't forget m is in kg.

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