Match each term with its definition or description. quantum yield fluorescence internal conversion resonance fluorescence Stokes shift vibrational relaxation self-quenching the ratio of the number of molecules fluorescing to the total number of excited molecules a process in which molecules or atoms in an excited state relax to the ground state through the release of a photon nonradiative relaxation of a molecule from a low energy vibrational level of an excited electronic state to a high energy vibrational level of a lower energy electronic state observed when excited atoms or molecules emit radiation that is the same wavelength as the radiation used to excite them the difference between the wavelength of radiation used to excite an atom or molecule and the wavelength of radiation emitted by the atom or molecule emitted during relaxation occurs when an unexcited analyte atom or molecule absorbs the radiation emitted from an excited analyte atom or molecule occurs as excited atoms or molecules collide with surrounding molecules, such as the solvent, and lose energy without emission of a photon Answer Bank 000 0

Match each term with its definition or description. quantum yield fluorescence internal conversion resonance fluorescence Stokes shift vibrational relaxation self-quenching the ratio of the number of molecules fluorescing to the total number of excited molecules a process in which molecules or atoms in an excited state relax to the ground state through the release of a photon nonradiative relaxation of a molecule from a low energy vibrational level of an excited electronic state to a high energy vibrational level of a lower energy electronic state observed when excited atoms or molecules emit radiation that is the same wavelength as the radiation used to excite them the difference between the wavelength of radiation used to excite an atom or molecule and the wavelength of radiation emitted by the atom or molecule emitted during relaxation occurs when an unexcited analyte atom or molecule absorbs the radiation emitted from an excited analyte atom or molecule occurs as excited atoms or molecules collide with surrounding molecules, such as the solvent, and lose energy without emission of a photon Answer Bank 000 0

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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The number of nodes for the vibrational wavefunction of an excited CO is found to be 5. If the force constant of C--O is 1550 N/m, what is the vibrational energy (in kJ/mol) of the excited CO? (h= 6.626 x 10-¹4J.s) Select one or more: □ A. 78.95 kJ/mol B. 1.34 kJ/mol □ C. 103.34 kJ/mol □ D. 12.9 kJ/mol
If the natural vibrational frequency of H2 is observed to be 4161 cm-1, what would be the approximate natural frequency expected for D2? O 1040 cm1 2081 cm -1 2942 cm 1 O 5885 cm1 None of these
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