Principles of Instrumental Analysis
7th Edition
ISBN: 9781305577213
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cengage Learning
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Textbook Question
Chapter 32, Problem 32.19QAP
Show, via a calculation, that the average kinetic energy of a population of thermal neutrons is approximately 0.04 eV
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Chapter 32 Solutions
Principles of Instrumental Analysis
Ch. 32 - Identify X in each of the following nuclear...Ch. 32 - Prob. 32.2QAPCh. 32 - Prob. 32.3QAPCh. 32 - Prob. 32.4QAPCh. 32 - Prob. 32.5QAPCh. 32 - Prob. 32.6QAPCh. 32 - Prob. 32.7QAPCh. 32 - Prob. 32.8QAPCh. 32 - Prob. 32.9QAPCh. 32 - Prob. 32.10QAP
Ch. 32 - Prob. 32.11QAPCh. 32 - Prob. 32.12QAPCh. 32 - Prob. 32.13QAPCh. 32 - Prob. 32.14QAPCh. 32 - Prob. 32.15QAPCh. 32 - Prob. 32.16QAPCh. 32 - Prob. 32.17QAPCh. 32 - The streptomycin in 500 g of a broth was...Ch. 32 - Show, via a calculation, that the average kinetic...Ch. 32 - Prob. 32.20QAPCh. 32 - Prob. 32.21QAP
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6.2 Unlike XRF, AAS cannot be used for nondestructive testing. Explain why not.
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A container of volume 1 litter is filled with hydrogen atom at temperature 300 K. The number of hydrogen atom in the energy range 0.024 eV to 0.025 eV is (in terms of number of hydrogen atoms N
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The nuclear radii of aluminum and gold are approximately r = 3.6 fm and 7.0 fm, respectively. The radii of protons and alpha particles are 1.3 fm and 2.6 fm, respectively. (a) What energyα particles would be needed in head-on collisions for the nuclear surfaces to just touch? (This is about where the nuclear force becomes effective.) (b) What energy protons would be needed? In both (a) and (b), perform the calculation for aluminum and for gold.
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Calculate the energy difference (ΔE) for the transition of n = 1 to n = 4 for 1.00 mol of hydrogen atoms. Enter your answer in scientific notation.
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The speed of a thermal neutron is known to within 2.0 km/s. What is the minimum uncertainty in the position of the thermal neutron?
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What is the wavelength, in nm, of radiation that has an energy content of 1.0 × 103 kJ/mol?
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Δ
E) for the transition of n = 2 to n = 3 for 1.00 mol of hydrogen atoms. Enter your answer in scientific notation.
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50. Calculate the kinetic energy of an electron ejected by a photon with wavelength 2.07×102 nm from a metal with a binding energy of 3.95 eV. Enter your answer in scientific notation.
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‘Burning strontium salts such as Sr(NO3)2 produces red photons. Calculate the energy (in joules per mole) of a 670nm emission.’—I thought this was pretty straightforward but apparently nothing I have come up with was correct.
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The purpose of this problem is to show in three ways that the binding energy of the electron in a hydrogen atom is negligible compared with the masses of the proton and electron. (a) Calculate the mass equivalent inu of the 13.6-eV binding energy of an electron in a hydrogen atom, and compare this with the mass of the hydrogen atom obtained from Appendix A. (b) Subtract the mass of the proton given in Table 31.2 from the mass of the hydrogen atom given in Appendix A. You will find the difference is equal to the electron’s mass to three digits, implying the binding energy is small in comparison. (c) Take the ratio of the binding energy of the electron (13.6 eV) to the energy equivalent of the electron’s mass (0.511 MeV). (d) Discuss how your answers confirm the stated purpose of this problem.
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