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Chapter 24: Q24.73 P (page 1105)

When a nucleus forms from nucleons, is energy absorbed or released? Why?

Short Answer

Expert verified

The energy is dissipating.

Step by step solution

01

To find energy is released or observed

When nucleus forms from nucleons, energy is being released. The nuclear binding energy is the quantity of energy holding 1 mol of nuclei together. This energy must be absorbed to break the nucleus into nucleons and being released when nucleons come together.

Hence the Energy is being released.

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Most popular questions from this chapter

Question: Why is ${}_{20}^{40}{Ca}$ the most stable isotope of calcium?

How many joules are released when $1.5$ mol of $239$ Pu decays, if each nucleus releases $5.243$ MeV?

Which isotope in each pair is more stable? Why?

(a) ${}_{55}^{140}{Cs}$ or ${}_{55}^{133}{Cs}$ (b) ${}_{35}^{79}{Br}$ or ${}_{35}^{78}{Br}$

(c) ${}_{12}^{28}{Mg}$ or ${}_{12}^{24}{Mg}$ (d) ${}_{7}^{14}N$ or ${}_{7}^{18}N$

Question:What is the most likely mode of decay for each?

(a) ${}_{47}^{111}{Ag}$

(b) ${}_{17}^{41}{Cl}$

(c) ${}_{44}^{110}{Ru}$

How does a change in mass arise when a nuclide forms from nucleons?

See all solutions

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