Essential University Physics: Volume 2 (3rd Edition)
3rd Edition
ISBN: 9780321976420
Author: Richard Wolfson
Publisher: PEARSON
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Question
Chapter 36, Problem 11FTD
To determine
Why helium and lithium differ only by one unit of nuclear charge even when they differ greatly in their chemical properties.
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Students have asked these similar questions
What electrostatic force acts between two protons in a nucleus if they are 4×10-15 m apart?
Select one:
O a. 8.8x109 (attractive)
O b. 8.8×10 (repulsive)
O c. 14N (repulsive)
O d. 14N (attractive)
3)
Assume that this room was filled with a gas of oxygen molecules O₂ in thermal
equilibrium at 0 °C. There are 8 protons and 8 neutrons in the nucleus of an oxygen atom O. You may
take the masses of the proton and the neutron to be the same, and ignore the mass of the electrons.
1 atm=1.01x105 N/m², h=1.05x10-34 J-s, mp=1.67x10-27 kg, ka=1.38x10-23 J/K.
a) What would the (particle) number density, n, be according to the ideal gas law?
b) Compare the number density with the quantum concentration, no, at the same
temperature. Is the gas in the classical or quantum regime?
Which of the following best describes the atom?
I - Large-mass positive charges are found inside the nucleus.
II - Smaller-mass negative charges are found outside the nucleus.
III - Large-mass neutral charges are found outside the nucleus.
O I & II
O I & III
O II & III
O I, II, & III
Chapter 36 Solutions
Essential University Physics: Volume 2 (3rd Edition)
Ch. 36.1 - Prob. 36.1GICh. 36.2 - Prob. 36.2GICh. 36.3 - Prob. 36.3GICh. 36.4 - Prob. 36.4GICh. 36.5 - Prob. 36.5GICh. 36 - Prob. 1FTDCh. 36 - Prob. 2FTDCh. 36 - Prob. 3FTDCh. 36 - Prob. 4FTDCh. 36 - Prob. 5FTD
Ch. 36 - Prob. 6FTDCh. 36 - Prob. 7FTDCh. 36 - Prob. 8FTDCh. 36 - Prob. 9FTDCh. 36 - Prob. 10FTDCh. 36 - Prob. 11FTDCh. 36 - Prob. 12FTDCh. 36 - What distinguishes a Bose-Einstein condensate from...Ch. 36 - Prob. 14ECh. 36 - Prob. 15ECh. 36 - Prob. 16ECh. 36 - Prob. 17ECh. 36 - Prob. 18ECh. 36 - Prob. 19ECh. 36 - Prob. 20ECh. 36 - Prob. 21ECh. 36 - Prob. 22ECh. 36 - Prob. 23ECh. 36 - Prob. 24ECh. 36 - Prob. 25ECh. 36 - Prob. 26ECh. 36 - Prob. 27ECh. 36 - Prob. 28ECh. 36 - Prob. 29ECh. 36 - Prob. 30ECh. 36 - Prob. 31ECh. 36 - Prob. 32ECh. 36 - Prob. 33ECh. 36 - Prob. 34PCh. 36 - Prob. 35PCh. 36 - Prob. 36PCh. 36 - Prob. 37PCh. 36 - Prob. 38PCh. 36 - Prob. 39PCh. 36 - Prob. 40PCh. 36 - Prob. 41PCh. 36 - Prob. 42PCh. 36 - Prob. 43PCh. 36 - Prob. 44PCh. 36 - Prob. 45PCh. 36 - Prob. 46PCh. 36 - Prob. 47PCh. 36 - Prob. 48PCh. 36 - Prob. 49PCh. 36 - Prob. 50PCh. 36 - Prob. 51PCh. 36 - Prob. 52PCh. 36 - Prob. 53PCh. 36 - Prob. 54PCh. 36 - Prob. 55PCh. 36 - Prob. 56PCh. 36 - Prob. 57PCh. 36 - Prob. 58PCh. 36 - Prob. 59PCh. 36 - Prob. 60PCh. 36 - Prob. 61PCh. 36 - Prob. 62PCh. 36 - Prob. 63PCh. 36 - Prob. 64PCh. 36 - Prob. 65PCh. 36 - Prob. 66PCh. 36 - Prob. 67PCh. 36 - Prob. 68PCh. 36 - Prob. 69PCh. 36 - Prob. 70PCh. 36 - Prob. 71PCh. 36 - Prob. 72PCh. 36 - Prob. 73PCh. 36 - Prob. 74PCh. 36 - Prob. 75PCh. 36 - Prob. 76PPCh. 36 - Prob. 77PPCh. 36 - Prob. 78PPCh. 36 - Prob. 79PP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- (a) Show that if you assume the average nucleus is spherical with a radius r=r0A1/3, and with a mass at A u, then its density is independent at A. (b) Calculate that density in u/fm3 and kg/m3, and compare your results with those found in Example 31.1 for 56Fe.arrow_forwardWhich formula may be used for the momentum of all particles, with or without mass?arrow_forward(a) An aspiring physicist wants to build a scale model of a hydrogen atom for her science fair project. If the atom is 1.00 m in diameter, how big should she try to make the nucleus? (b) How easy will this be to do?arrow_forward
- This problem demonstrates that the binding energy of the electron in the ground state of a hydrogen atom is much smaller than the rest mass energies of the proton and electron. Calculate the mass equivalent in u of the 13.6-eV binding energy of an electron in a hydrogen atom, and compare this with the known mass of the hydrogen atom. Subtract the known mass of the proton from the known mass of the hydrogen atom. 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). Discuss how your answers confirm the stated purpose of this problem.arrow_forwardExplain why patterns observed in the periodic table of the elements are evidence for the existence of atoms, and why Brownian motion is a more direct type of evidence for their existence.arrow_forwardHow many kilograms of water are needed to obtain the 198.8 mol of deuterium, assuming that deuterium is 0.01500% (by number) of natural hydrogen?arrow_forward
- What prevents a positive and negative ion from having a zero separation?arrow_forwardUnreasonable Results The relatively scarce naturally occurring calcium isotope 48Ca has a halflife at about 21016y. (a) A small sample of this isotope is labeled as having an activity of 1.0 Ci. What is the mass of the 48Ca in the sample? (b) What is unreasonable about this result? (c) What assumption is responsible?arrow_forwardA carbon atom can hybridize in the sp2configuration. (a) What is the angle between the hybrid orbitals?arrow_forward
- a) For each of the following nuclear equations, state the atomic number, mass number, and symbol X of the missing reactants or products. i. He +Au → 4X +?H 197 A = Z = X: ii. in +Ba → 4X +y 56 A = Z = X: iii. 137CS Ba +4X+7 55 56 A = Z = X: iv. in +X → P +H A = Z = X: v. 210BI 83 81 A = Z = X: b) Choose the correct symbol for the missing particle in the following equation: Na - Ne +9e+ 11 10arrow_forward2. The nucleus in an iron atom has a radius of about 4.0×10-15 m and contains 26 protons. (i) What is the magnitude of the repulsive electrostatic force between two of the protons that are separated by 4.0×10-15 m? (b) What is the magnitude of the gravitational force between those same two protons? [Given, e = +1.6x10-19 C and mp=1.67x1027 kg] 2.5arrow_forward1. A thin (1 mg/cm2) target of 48 Ca is bombarded with a 10 nA beam of a paarticles. A detector, with a solid angle of 0.0020 steradians., records 15 protons per second. If the angular distribution is isotropic, determine the total cross section (in mb) for the 48 Ca(a, p) reaction. Take the atomic mass of 48 Ca to be 48 u. hoourarrow_forward
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