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Oo 3/30/2015 09:00 AM A 21.7/100 Gradebook Print Calculator Periodic Table Quest

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Question

Oo 3/30/2015 09:00 AM A 21.7/100 Gradebook Print Calculator Periodic Table Question 20 of 30 Map A General Chemistr University Science Books 4th Edition presented by Sapling Learning Donald McQuarrie. Peter A. Rock Ethan Gallogly To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 7.30 nm in diameter? Take the mass of an electron to be 9.11x10 31 kg. Number Previous 3 Give Up & View Solution Check Answer Next IExit 8 Hint Resources Assignment Ir Available From: Due Date: Points Possible: Grade Category Description: Policies: You can check y You can view SO up on any quest You can keep try you get it right There is no pen O Help With This O Web Help & V O Technical Sup

Explanation / Answer

the DeBroglie wavelength is found by: ? = h/mv,
h = Planck's constant = 6.626 x 10^-34 J*s
m = 9.11