Answer to Question #72055 in General Chemistry for Jasmin

General Chemistry

Question #72055

find the momentum of an electron with a wavelength of 456 no

Expert's answer

Answer:
p = h/ λ
h = 6.62606957(29)×10^−34 J·s.
p = 6.62606957(29)×10^−34 / 456 ·10-9 = 0.014·10^-25

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. What mass of water, in grams, would have to be decomposed to produce 23.3 L of molecular oxygen at S
2. what is the pH of a solution that has an equal concentration of H+ and OH- ions?
3. What is the pH of a solution where [H+] = 0.001 M?
4. suppose you have 400.0 mL of 0.25 M NaHCO3 solution. If you dilute this to 500.0 mL with water, what
5. If 12.0 g of KCl is dissolved in 88.0 g of water, what is the mass/mass percent KCl?
6. What is the pH of a solution that has an equal concentration of H+ and OH- ions?
7. how many atoms are contained in 9.0 moles of iron