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Chapter 34: Problem 4

The net attractive potential energy in Figure 2 is \(-6.93 \times 10^{-18} \mathrm{~J}\). Will energy be required to separate the nuclei or will energy be released upon separation? Explain.

Short Answer

Expert verified
Thus, energy will be required to separate the nuclei.

Step by step solution

01

Understanding Potential Energy

The potential energy in question is negative, which indicates a bound, stable system. In physical systems, negative potential energy typically represents an energy well where systems are in a stable equilibrium state.
02

Energy Requirement for Separation

To separate the two nuclei, i.e., to move them apart from each other against the attractive potential energy, it would require input of energy, to overcome this negative potential energy.
03

Illustration in terms of Energy Conservation

In terms of energy conservation, the energy given to the system to overcome the negative potential energy would be converted into potential energy hence moving the system from a state of lower potential energy (-6.93 脳 10^-18 J) to a state of higher potential energy (which is ideally zero).

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Most popular questions from this chapter

What is the value of \(\Delta H^{\circ}\) for the overall process of separating one mole of \(\mathrm{CH}_{4}\) into its constituent atoms, and then reforming one mole of \(\mathrm{CH}_{4}\) ?

Why is \(\Delta H_{\mathrm{ac}}^{\circ}\) of \(\mathrm{C}(\mathrm{g})=0 ?\) Why is \(\Delta H_{\mathrm{ac}}^{\circ}\) of \(\mathrm{H}(\mathrm{g})=0 ?\)

For molecules, why are all of the values for enthalpies of atom combination negative?

a) Write the Lewis structures for \(\mathrm{N}_{2}\) and \(\mathrm{O}_{2}\). b) Explain how these Lewis structures are consistent with the relative enthalpies of atom combination for \(\mathrm{N}_{2}(\mathrm{~g})\) and \(\mathrm{O}_{2}(\mathrm{~g})\).
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