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 - DrBob222, 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 - arcdfweca, Thursday, October 15, 2015 at 9:00am
Chemistry - anon, Thursday, July 14, 2016 at 10:10pm
The answer is 1.57 x 10^2 m/s
Chemistry - anon, Thursday, July 14, 2016 at 10:12pm
oops jk wrong one^^^ it's actually 1.4 nm.... sorry