Below is the resolved absorption spectrum of HBr forthe vibrational transition v = 0→ V = 1; determine: (a)the effective spring constant for the molecular bond35and (b) the bond length. (c) Repeat for both the HCl37and H Cl spectra. (d) Based upon these results,explain your prediction regarding which molecule hasthe "strongest" bond and then explain whether yourprediction is confirmed by looking up the correspondingbond dissociation energies.✓20.3000.3100.3200.3300.340Energy (eV)

Our usual method of determining the effective spring constant and bond length from the resolved…

Answered: Below is the resolved absorption…

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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Suppose you measure the absorbance of a yellow dye solution in a 1.00 cm cuvette (b=1.00 cm). The absorbance of the solution at 427 nm is 0.84 . If the molar extinction coefficient of yellow dye at 427 nm is 27400 M–1cm–1, what is the concentration of the solution in M?
What are the differences between atomic and molecuar absorption spectroscopies?
Predict the maximum NOE enhancement (as the value of η) that could be obtained for 19F as a result of dipole−dipole relaxation with 1H.
5. (a) The Mossbauer effect depends upon the recoilless emission of a y-ray. How important is it to embed the emitter nucleus in a bulky and rigid crystal lattice? (b) Briefly describe the isomer shift in Mossbauer spectroscopy.
258, 217, 175 nm are Amax for the observed to π* transition in UV-Vis. Choose from the following compounds to answer the questions below. A) Ethylene B) 1,3 butadiene C) 1,3,5 Hexatriene D) Ethane Compound(s) with Amax = 258 nm for the observed to T* transition in UV-Vis is/are: Choose... Compound(s) with Amax = 175 nm for the observed it to n* transition in UV-Vis is/are: Choose...
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You are giving a talk at a professional meeting on the absorption spectrum of the HCl molecule (as shown), which has been obtained with a sample including molecules containing only the chlorine-35 atom, so that the double peaks as shown appear as single peaks. After discussing all of the information you can glean about the rotational motion of the molecules from the spectrum, you see a hand raised by a colleague from another university who always asks biting questions. He says, “That’s all well and good, but what about the vibration of the molecule; for example, what is the effective spring constant for the HCl molecule?” You are not upset in the slightest by this question because you prepared in advance for any questions you could think of. You immediately state a numerical value for the effective spring constant of the HCl molecule.
79 91 -1 The rotational spectrum of Br Br has lines 0.154 cm apart. Each line corresponds to a transition between adjacent rotational energy -10 levels. Calculate the bond length (in Å, where 1A = 10 m). Select one: О а. 1.61 O b. 0.228 О с. 2.28 O d. 0.161
Functional groups such as anhydride, carboxylate (but not carboxylic acid), nitro, primary amino give two stretching vibrational bands in the infrared spectrum. What is the origin of these two bands ?
3. Regions of the electromagnetic (e/m) spectrum and corresponding molecular processes. (a) Sketch the e/m spectrum like depicted in figure below. For your sketch, use the following units (all together in one plot): wavelength, frequency, wavenumbers, and energy. (b) What are the molecular processes that can be studied by the different types of e/m radiation? Name three (3) processes. (A) Radio waves GOOD (B) (C) (D) Micro- Infrared Visible waves radiation light RESER ш Ultraviolet m X-rays Gamma-rays
The primary structure of a protein contains the peptide bond (-CO-NH-), which has the ability to form hydrogen bonds and influence protein molecular shape. (a) If the force constant of N-H bonds in non-hydrogen bonded regions of a protein is 680 Nm', predict the vibrational wavenumber value for non-hydrogen bonded N-H stretching in the infrared spectra of proteins. Show all working. (b) A hydrogen-bonded section of a protein produces a N-H stretching band at 3386 cm1 in the infrared spectrum. Determine the force constant for the hydrogen bonded N-H in the protein. Show all working. (c) Briefly describe how the presence of hydrogen bonding influences the N-H stretching mode of proteins.
Consider ultraviolet radiation of wavelength 300 nm passing through 1.50 mm of a solution of absorbing substance at concentration 0.717 mmol dm-3. Transmission was found to be 61.5%. Calculate the molar absorption coefficient of the solute at 400 nm and express your answer in cm2 /mol.

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