Physical Chemistry
2nd Edition
ISBN: 9781133958437
Author: Ball, David W. (david Warren), BAER, Tomas
Publisher: Wadsworth Cengage Learning,
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Textbook Question
Chapter 12, Problem 12.55E
Spectroscopy deals with differences in energy between levels. Derive an expression for
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Chapter 12 Solutions
Physical Chemistry
Ch. 12 - In the Stern-Gerlach experiment, silver atoms were...Ch. 12 - Prob. 12.2ECh. 12 - Prob. 12.3ECh. 12 - Suppose s=12 for an electron. Into how many parts...Ch. 12 - Using and labels, write two possible...Ch. 12 - List all possible combinations of all four quantum...Ch. 12 - What are the degeneracies of the H atom...Ch. 12 - Prob. 12.8ECh. 12 - a Differentiate between the quantum numbers s and...Ch. 12 - Is the spin orbital 1s for the H atom still...
Ch. 12 - Draw a diagram analogous to Figure 11.15, but now...Ch. 12 - Are mathematical expressions for the following...Ch. 12 - Prob. 12.13ECh. 12 - Prob. 12.14ECh. 12 - a Assume that the electronic energy of Li was a...Ch. 12 - Spin orbitals are products of spatial and spin...Ch. 12 - If 1 and 2 are the individual wavefunctions for...Ch. 12 - Show that the correct behavior of a wavefunction...Ch. 12 - Prob. 12.19ECh. 12 - Why isnt the electron configuration of beryllium,...Ch. 12 - Prob. 12.21ECh. 12 - Write a Slater determinant for the lithide ion,...Ch. 12 - Why does the concept of antisymmetric...Ch. 12 - a Construct Slater determinant wavefunctions for...Ch. 12 - Prob. 12.25ECh. 12 - Prob. 12.26ECh. 12 - Prob. 12.27ECh. 12 - Suppose an electron had three possible values of...Ch. 12 - Using a periodic table or Table 12.1, find the...Ch. 12 - Write an acceptable electron configuration for...Ch. 12 - Prob. 12.31ECh. 12 - Prob. 12.32ECh. 12 - Prob. 12.33ECh. 12 - An anharmonic oscillator has the potential...Ch. 12 - Prob. 12.35ECh. 12 - In a particle-in-a-box having length a, the...Ch. 12 - Prob. 12.37ECh. 12 - Prob. 12.38ECh. 12 - Prob. 12.39ECh. 12 - The Stark effect is the change in energy of a...Ch. 12 - Prob. 12.41ECh. 12 - Prob. 12.42ECh. 12 - Prob. 12.43ECh. 12 - Show that a variation theory treatment of H using...Ch. 12 - Prob. 12.45ECh. 12 - Explain why assuming an effective nuclear charge,...Ch. 12 - Prob. 12.47ECh. 12 - Consider a real system. Assume that a real...Ch. 12 - Prob. 12.49ECh. 12 - Prob. 12.50ECh. 12 - Prob. 12.51ECh. 12 - Prob. 12.52ECh. 12 - State the Born-Oppenheimer approximation in words...Ch. 12 - Prob. 12.54ECh. 12 - Spectroscopy deals with differences in energy...Ch. 12 - Prob. 12.56ECh. 12 - What is the bond order for the lowest excited...Ch. 12 - The helium atom was defined as two electrons and a...Ch. 12 - Explain how we know that the first in equation...Ch. 12 - Prob. 12.60ECh. 12 - Prob. 12.61ECh. 12 - Use molecular orbital arguments to decide whether...Ch. 12 - Prob. 12.63ECh. 12 - Prob. 12.65ECh. 12 - Prob. 12.67ECh. 12 - Prob. 12.68E
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- Suppose that an ethene molecule is ionized by a photon to give the C2 H+4 ion. Will the bond order of the carbon–carbon bond increase or decrease? Explain.arrow_forwardAccording to Huckel theory, what is the difference in total energy between the anion (C6H6) and the dication (C6H6)2+ of Benzene? In your work, explicitly state which orbitals are occupied in case of the anion and the dictation and what the total energy of each of the two ions is. The total energy difference is defined as AE = Eanion Ea dication· O 2a – 23 O 3a + B O a + B O 2a + 28 3a - Barrow_forwardCorrelate the photoelectron spectra of N2 and O2 with their respective molecular orbital diagrams.arrow_forward
- Write the valence-bond wavefunction for the resonance hybrid N2 ↔ N+N− ↔ N2−N2+ ↔ structures of similar energy.arrow_forwardHow would you explain the role of electron correlation in the accurate determination of molecular properties, and what is the significance of this correlation in quantum chemistry calculations?arrow_forwarddarrow_forward
- The existence of compounds of the noble gases was once a great surprise and stimulated a great deal of theoretical work. Sketch the molecular orbital energy level diagram for XeF and deduce its ground state electron configurations. Is XeF likely to have a shorter bond length than XeF+?arrow_forwardLike many of the molecules we have studied in this class, propene (structure shown below) can be thought of as a particle in a box. There are three t-electrons. Since I can put two electrons in each energy level, the highest-energy electron is in the n = 2 state (the HOMO). What does the wave for this electron look like? n = 3 lowest unoccupie molecular orbital (LUMO) n = 2 highest occupiedi molecular orbital (НОМО) . n = 1 Select one: Оа. O b. О с. O d. None of these shapes are right.arrow_forwardThe existence of compounds of the noble gases was once a great surprise and stimulated a great deal of theoretical work. Sketch the molecular orbital energy level diagram for XeF and deduce its ground-state electron configurations. Is XeF likely to have a shorter or longer bond than XeF+?arrow_forward
- Calculate the bond order of the dioxygen molecule and those of the molecular ions O2-,O22- and O2+? Rank these molecules and ions by order of increasing bond length. Explain your answer. aarrow_forwardIn the roots of legumes there are bacteria, which have the ability to trap atmospheric N2 by breaking the bond between N atoms and converting nitrogen, under normal conditions, to ammonia. How many electrons are added and to which orbitals of N2 during this conversionarrow_forwardThree biologically Important diatomic species,either because they promote or inhibit life, are (a) CO, (b) NO, and (c) CN−. The first binds to hemoglobin, the second is a chemical messenger, and the third interrupts the respiratory electron transfer chain. Their biochemical action is a reflection of their orbital structure. Deduce their ground-state electron configurations using sigma and pi. (Draw MO). Show how you get electron configuration below using MO?arrow_forward
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