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Posted by on Monday, April 11, 2011 at 12:02pm.

What is the de Broglie wavelength of a proton that has a mass of 9.11 x 10^-31kg and travels a distance of 13km in 0.025 s? (h=6.63 x 10^-34 Js)

  • Chemistry - , Monday, April 11, 2011 at 1:58pm

    wavelength = h/mv
    m is in kg.
    You will need to change velocity from km/0.025s to m/s.

  • Chemistry - , Thursday, October 15, 2015 at 9:00am

    csaac

  • Chemistry - , Thursday, July 14, 2016 at 10:10pm

    The answer is 1.57 x 10^2 m/s

  • Chemistry - , Thursday, July 14, 2016 at 10:12pm

    oops jk wrong one^^^ it's actually 1.4 nm.... sorry

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