Nuclear Reactions: In the fission reaction 235U + 1n ? 141Ba + 92Kr + x 1n, what is the number x of neutrons produced?
A. 0
B. 1
C. 2
D. 3
Answer: D
You might also like to view...
The most striking valley in the solar system is:
A) the Grand Canyon in Arizona. B) Gwenivere on Venus. C) the Discovery Scarp of Mercury. D) Valles Marineris on Mars. E) Valhalla on Callisto.
When an alpha particle is emitted from an unstable nucleus, the atomic number of the nucleus
A) decreases by 2. B) increases by 4. C) increases by 2. D) decreases by 4. E) increases by 6.
Why do vapor bubbles get larger in boiling water as they approach the surface?
a. They only appear to get larger, this being a magnification effect due to looking through the water. b. The bubbles' pressure increases as they rise. c. The pressure in the water decreases as the bubble moves toward the surface. d. Bubbles always get bigger after they form.
If the de Broglie wavelength of an electron is 44nm, what is its velocity. the mass of an electron is 9.11x10^-31kg