Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
Molecules and Solids
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29-1 to 29-3: Molecular Bonds
29-4: Molecular Spectra
29-5: Bonding in Solids
29-7: Band Theory of Solids
29-8: Semiconductors and Doping
29-9: Diodes
29-10: Transistors

Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 13
  1. Use the curve of Fig. 29–17 to estimate the stiffness constant kk for the H2\textrm{H}_2 molecule. (Recall that PE=12kx2PE = \dfrac{1}{2}kx^2.)
  2. (b) Then estimate the fundamental wavelength for vibrational transitions using the classical formula (Chapter 11), but use only 12\dfrac{1}{2} the mass of an H atom (because both H atoms move).
Potential energy for the H_2 molecule and for a simple harmonic oscillator (PE = 1/2kx^2, with x = r - r_0).
Figure 29-17 Potential energy for the H2H_2 molecule and for a simple harmonic oscillator (PE=12kx2(PE = \tfrac{1}{2}kx^2, with x=rr0)\mid\textrm{x}\mid = \mid{r - r_0}\mid).
  1. 680 N/m680 \textrm{ N/m}
  2. 2.1  μm2.1 \; \mu \textrm{m}
Giancoli 7th Edition, Chapter 29, Problem 13 solution video poster

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