0finish-Distance (Angsroms)an electronic transitionnown=3n=2T2 4 6 B 10Increasing Energy →yes Can a molecule have a rotational mode?noyesyesnoyesSubmit Answer Incorrect.The figures above show an electronic transition, vibrational modes, and a rotational mode. Examine each and think about whether eaCan a molecule experience an electronic transition?Can an atom have a rotational mode?Can a molecule have a vibrational mode?Can an atom have a vibrational mode?Can an atom experience an electronic transition?vibrational modesa rotational mo

Electronic transition : Atoms or molecules can have electronic transitions when electrons are…

The figures above show an electronic transition, vibrational modes, and a rotational mode. Examine each and yes Can a molecule have a rotational mode? no yes yes no yes Can a molecule experience an electronic transition? Can an atom have a rotational mode? Can a molecule have a vibrational mode? Can an atom have a vibrational mode? Can an atom experience an electronic transition? Submit Answer Incorrect.

The figures above show an electronic transition, vibrational modes, and a rotational mode. Examine each and yes Can a molecule have a rotational mode? no yes yes no yes Can a molecule experience an electronic transition? Can an atom have a rotational mode? Can a molecule have a vibrational mode? Can an atom have a vibrational mode? Can an atom experience an electronic transition? Submit Answer Incorrect.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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1-A:-Calculate the energy and wave-length of the photon absorbed when a "Hg"Cl molecule (r. 2.23°A) makes the rotational transition J-0-J-1 and J-1->J=2. B:- In what region of the electromagnetic spectrum are these lines found? 2-Suppose that the equilibrium separation in the '11"CI molecules is the same and equal to 1.27°A. Compute for each molecule A:-The constant 13. B:- The energy of the first two excited rotationa levels. C:-The frequencies and wave length corresponding to the transition J-0-J-1 and J-1-J-2.
Define the term rotational motion?
A). A molecule can have various types of energies (translational, rotational, vibrational, and electronic), the sum of which is the molecule's total energy. ?trans=(?^2?+?^2?+?^2?)(ℎ^2/8??^2/3) ?rot=?(?+1)ℎ^2/8?2? ?vib=(?+1/2)(ℎ?) In the equations, ??, ??, ??, ?, and ? are quantum numbers, ℎ is Planck's constant, ? is the mass of the molecule, ? is the volume of the container, ? is the moment of inertia of the molecule, and ? is the fundamental vibration frequency. For carbon monoxide, CO , the moment of inertia is ?=1.45×10−46 kg⋅m2, and the fundamental vibration frequency is ?=2130 cm−1. Let ?=12.8, and let all the quantum numbers be equal to 11 . Calculate the translational, rotational, and vibrational energies per mole of CO for these conditions. ?trans= J/mol ?rot= J/mol ?vib= J/mol B). If the electronic energy of CO is 9.14 eV per molecule, calculate the total energy of CO per mole. ?total= J/mol C). Which types of energy are…
β-Carotene (1) is a linear polyene in which 10 sing le and 11 double bonds alternate along a chain of 22 carbon atoms. If the length of each CC bond is taken to be about 140 pm , then the length L of the molecular box in β-carotene is L = 2.94 nm. Estimate the wavelength of the light absorbed bythis molecule when it undergoes a t rans it ion from its ground state to the next higher excited state.
E rotational is 2.777×10−20 J
2. Molecules absorb IR radiation consistent with vibrational energy and rotational energy. Which of these is present in condensed phases (liquid, solution, solid)?
6. The NaH molecule undergoes a rotational transition from J=0 to J=1 when it absorbs a photon of frequency 2.94×10' Hz. What is the equilibrium bond length of the molecule?
The rotational spectrum of CH* has been observed in the planetary nebula NGC 7027." The spectrum shows a series of lines separated by 29.64 cm1. Calculate the bond length of CH*. Take the reduced mass of CH* to be 0.9299 g/mol. Give your answer in angstroms with two decimal places. Answer:
3 The rotation motion of HCl molecules can be analyzed by treating each molecule as a rigid rotational constant B= 2.07x10^-22 Joules. a) what frequency of radiation will excite the transition from the J=1 energy level to the J=2 level in this case? b) what is the relative probability of observing an HCl molecule at the J=2 energy level, as compared to teh J=1 level, at 25.00 degrees C?
Define degrees of freedom as it relates to the movement of a molecule composed of N atoms (Be sure to differentiate between linear and nonlinear molecules)
(c) Would you expect 109AgF to have a rotational constant that is higher,lower, or equal to that of 107AgF? Explain your reasoning
But molecules combine both vibrational and rotational states in such a way that both selection rules must be satisfied if we are only talking about absorption or emission of electromagnetic radiation (i.e. photons). 5 1 images from Krane Ch 9. Relative absorption : 0.330 L=3 to L=2 L=2 to L = 1 Electronic excited state. Electronic ground state L→ L-1 L = 1 to L = 0 Ť 0.340 0.350 SE Energy (eV) 2B 0.360 : hf L=0 L=1 L=2 to to to L = 1 L = 2 L = 3 Photo 4 1 3 1 2 1 1 0 1 1 5 0 4 0 30 20 1 0 0 0 LN L→ L+1 0.370 0.380 no emission here because AL # 0, AL = +1 AN = ±1, HCI spectra. In the middle of the gap is the energy hf that would correspond to a pure vibrational transition, which would violate the rotational selection rule. What is the value of hf for the HCI spectra?