anonymous
  • anonymous
Need help, Calculate the wavelength of a proton with energy 2.45eV.
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
E = hv E = h c/ wavelength wave-lenght = hc/E
anonymous
  • anonymous
1eV = 1.6*10^-19 J
anonymous
  • anonymous
trick always remember dat hc=2 x 10^-25 it will make ur calculation easy

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anonymous
  • anonymous
I can't get the right answer in meter... Please help :(

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