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Author Question: Calculate the kinetic energy (in eV) of a nonrelativistic neutron that has a de Broglie wavelength ... (Read 50 times)

Bernana

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on: Jul 29, 2018
Calculate the kinetic energy (in eV) of a nonrelativistic neutron that has a de Broglie wavelength of 9.9  10-12 m. (h = 6.626  10-34 J  s, mneutron = 1.675  10-27 kg, 1 eV = 1.60 10-19 J)
 
  What will be an ideal response?

Question 2

How many moles of water (H2O) molecules are in a 4.00 m3 container at a pressure 8.00  105 N/m2 and temperature 600C? The ideal gas constant is R = 8.314 J/molK = 0.0821 L  atm/mol  K.
 
  A) 641 mol
  B) 7.72  1026 mol
  C) 2.65  1026 mol
  D) 3.86  1026 mol
  E) 441 mol


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nguyenhoanhat

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Reply #1 on: Jul 29, 2018
Answer to Question 1

8.4 eV

Answer to Question 2

E


Bernana

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

peter

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Reply 3 on: Yesterday
Excellent

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