Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 8, Problem 1PEA
To determine
The amount of energy needed to move an electron in a hydrogen atom from
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In a hydrogen atom, the electron is at a distance of 4.768 Å from the nucleus. The angular momentum of the electron is......
2.
a) Problem 8.3 of Textbook: Calculate the frequency of the hydrogen transition n = 101 → n =
100.
b) A light photon emitted from a higher energy level ofn = 3 to a lower energy level of n = 2 in
hydrogen has a wavelength of 1 = 656.3 nm. Compute the atom distribution ratio N3/N2 at the
equilibrium when temperatures are T = 102K.
The work function of a certain metal is 226.7 kJ / mol. How fast must an He atom (4 amu) collide with the metal to be able to pull an electron from the surface and travel at 1000 m / s?
Select one:
8.2619 x 1015m / s
None of the above
10647 m / s
337 m / s
Chapter 8 Solutions
Integrated Science
Ch. 8.1 - Prob. 1SCCh. 8.1 - Prob. 2SCCh. 8.1 - Prob. 3SCCh. 8.1 - Prob. 4SCCh. 8.1 - Prob. 5SCCh. 8.1 - Prob. 6SCCh. 8.2 - Prob. 7SCCh. 8.2 - Prob. 8SCCh. 8.2 - Prob. 9SCCh. 8.3 - Prob. 10SC
Ch. 8.3 - Prob. 11SCCh. 8.3 - Prob. 12SCCh. 8.5 - Prob. 13SCCh. 8.5 - Prob. 14SCCh. 8 - Prob. 1CQCh. 8 - Prob. 2CQCh. 8 - Prob. 3CQCh. 8 - Prob. 4CQCh. 8 - Prob. 5CQCh. 8 - Prob. 6CQCh. 8 - Prob. 7CQCh. 8 - Prob. 8CQCh. 8 - Prob. 9CQCh. 8 - Prob. 10CQCh. 8 - Prob. 11CQCh. 8 - Prob. 12CQCh. 8 - Prob. 13CQCh. 8 - Prob. 14CQCh. 8 - Prob. 15CQCh. 8 - Prob. 16CQCh. 8 - Prob. 17CQCh. 8 - Prob. 18CQCh. 8 - Prob. 1PEACh. 8 - Prob. 2PEACh. 8 - Prob. 3PEACh. 8 - Prob. 4PEACh. 8 - Prob. 1PEBCh. 8 - Prob. 2PEBCh. 8 - Prob. 3PEBCh. 8 - If the charge-to-mass ratio of a proton is 9.58 ...
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- The force on an electron is “negative the gradient of the potential energy function.” Use this knowledge and Equation 8.1 to show that the force on the electron in a hydrogen atom is given by Coulomb’s force law. Ur=ke2r(8.1)arrow_forwardFor an electron in a hydrogen atom in the n=2 state, compute: (a) the angular momentum; (b) the kinetic energy; (c) the potential energy; and (d) the total energy.arrow_forwardDetermine the distance between the electron and proton in an atom if the potential energy U of the electron is 13.8 ev (electronvolt, 1 eV = 1.6 × 10-19 J). Give your answer in Angstrom (1 A = 10-10 m). Answer: Choose... + Previous pagearrow_forward
- Chapter 39, Problem 049 How much work must be done to pull apart the electron and the proton that make up the hydrogen atom if the atom is initially in (a) its ground state and (b) the state with n = 3? (a) Number Units (b) Number Unitsarrow_forwardThe electron in a certain hydrogen atom has an angular momentum of 2.583×10−34 J.s. What is the largest possible magnitude for the z-component of the angular momentum of this electron? For accuracy, use h=6.626×10−34 J⋅s. find Number Unitsarrow_forwardDetermine the distance between the electron and proton in an atom if the potential energy U of the electron is 13.8 ev (electronvolt, 1 eV -19 1.6 x 10 J). Give your answer in Angstrom (1 A = 10"1º m). Answer: Choose... + Next pagearrow_forward
- The two nuclei in the carbon monoxide (CO) molecules are 0.1128 nm apart. The mass of the carbon atom is 1.993x10-26 kg. The mass of the oxygen atom is 2.656x10-26 kg. Spectroscopic measurements show that adjacent vibrational energy levels for the CO molecule are 0.269 eV. What is the effective spring constant of the CO molecule? (Give your answer in N/m.)arrow_forwardThe energy of a hydrogen atom is 12.09 eV above its groundstate energy. As a multiple of h, what is the largest angular momentum that this atom could have?arrow_forwardIn another universe, the electron is a spin@3/2 rather than a spin@1/2 particle, but all other physics are the same as in our universe. In this universe what are the atomic numbers of the lightest two inert gases?arrow_forward
- The electron in the hydrogen atom (in its ground state) orbits the nucleus at a distance of 0.5292 Å. (a) Calculate the gravitational force and (b) the electrostatic force of attraction between the two. (c) Comment on the magnitude and the importance of these two forces. [G, gravitational constant = 6.672 x 10-11 N m2 kg-2; 4+Єo = 1.113 x 10-10 C2 m-1 J-1]arrow_forwardThe energy levels of a hypothetical atom are shown here. Which of the following photons can an electron sitting in the -4eV energy level absorb? (select two answers) -0.2 ev -0.4 ev -1.8 ev 4 ev A photon with 2.5 eV of energy A photon with 3.8 eV of energy A photon with 0.4 ev of energy A photon with 1.8 ev of energy A photon with 2.2 ev of energyarrow_forwardDetermine the average value of z? for the electron in a hydrogenic atom or ion in its ground state as a function of 4, where Z 1S the z-axis coordinate of the electron in a Cartesian coordinate system and is the atomic number of the atom or ionarrow_forward
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