Physical Chemistry
2nd Edition
ISBN: 9781133958437
Author: Ball, David W. (david Warren), BAER, Tomas
Publisher: Wadsworth Cengage Learning,
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Chapter 15, Problem 15.45E
Naphthacene,
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Fish-liver oil is a good source of vitamin A, whose concentration is measuredspectrometrically at a wavelength of 329 nm.(a) Suggest a reason for using this wavelength.(b) In what region of the spectrum does this wavelength lie?(c) When 0.1232 g of fish-liver oil is dissolved in 500. mL of solvent, the absorbance is 0.724 units. When 1.67×10-3 g of vitamin A is dissolved in 250. mL of solvent, the absorbance is 1.018 units. Calculate the vitamin A concentration in the fish-liver oil.
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The power output of a laser is measured by its wattage, that is, the number of joules of energy it radiates per second (1 W= 1 J s-1). A 10-W laser produces a beam of green light with a wavelength of 520 nm (5.2 × 10-7m).(a) Calculate the energy carried by each photon.(b) Calculate the number of photons emitted by the laserper second.
Chapter 15 Solutions
Physical Chemistry
Ch. 15 - Linearly polarized light can be assigned a...Ch. 15 - Linearly polarized light can be assigned a...Ch. 15 - Prob. 15.3ECh. 15 - Determine the value of R for deuterium (2H) and...Ch. 15 - Prob. 15.5ECh. 15 - Draw a Grotrian-type diagram for the first four...Ch. 15 - What is the value of the change in energy, E, for...Ch. 15 - Prob. 15.8ECh. 15 - List the possible values of L, ML, S, MS, J, and...Ch. 15 - Prob. 15.10E
Ch. 15 - Prob. 15.11ECh. 15 - Prob. 15.12ECh. 15 - Prob. 15.13ECh. 15 - What is the term symbol for the ground state of a...Ch. 15 - Prob. 15.15ECh. 15 - Prob. 15.16ECh. 15 - Prob. 15.17ECh. 15 - Prob. 15.18ECh. 15 - Prob. 15.19ECh. 15 - Prob. 15.20ECh. 15 - Prob. 15.21ECh. 15 - Prob. 15.22ECh. 15 - Use Hunds rules to predict the term symbol of the...Ch. 15 - Prob. 15.24ECh. 15 - Prob. 15.25ECh. 15 - An Mg atom is in the excited electron...Ch. 15 - Prob. 15.27ECh. 15 - Prob. 15.28ECh. 15 - Prob. 15.29ECh. 15 - Prob. 15.30ECh. 15 - Use group-theoretical arguments to determine the...Ch. 15 - The GeF molecule, which exists in the gas phase at...Ch. 15 - The SrH molecule in a 2+ electronic ground state....Ch. 15 - Prob. 15.34ECh. 15 - What are the values of and for NF in its 3...Ch. 15 - Prob. 15.36ECh. 15 - Determine the ground-state term symbol of the...Ch. 15 - Prob. 15.38ECh. 15 - Prob. 15.39ECh. 15 - Prob. 15.40ECh. 15 - Prob. 15.41ECh. 15 - Prob. 15.42ECh. 15 - The 1, 1'-diethyl-2, 2'-dicarbocyanine cation has...Ch. 15 - Prob. 15.44ECh. 15 - Naphthacene, C18H12, consists of four benzene...Ch. 15 - Prob. 15.46ECh. 15 - Prob. 15.47ECh. 15 - Construct the Hckel determinants for...Ch. 15 - Prob. 15.49ECh. 15 - Using the Internet, find a Hckel determinant...Ch. 15 - Prob. 15.51ECh. 15 - Explain why cyclopentadiene easily accepts an...Ch. 15 - Prob. 15.53ECh. 15 - Prob. 15.54ECh. 15 - Prob. 15.55ECh. 15 - Prob. 15.56ECh. 15 - Prob. 15.57ECh. 15 - Prob. 15.58ECh. 15 - Would the light from fireflies be considered an...Ch. 15 - Prob. 15.60ECh. 15 - Prob. 15.61ECh. 15 - Prob. 15.62ECh. 15 - How many 632.8-nm photons must a He-Ne laser emit...Ch. 15 - Prob. 15.64ECh. 15 - Green He-Ne lasers are also available; they emit...Ch. 15 - Blu-ray disks and high-density DVDs use an indium...Ch. 15 - Prob. 15.67ECh. 15 - Explain why X-ray lasers would be extremely...Ch. 15 - Prob. 15.69E
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