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Chapter 43, Problem 5P

(a)

To determine

The fraction of the space.

(b)

To determine

The fraction of the space occupied.

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Assume a hydrogen atom is a sphere with diameter 0.100 nm and a hydrogen molecule consists of two such spheres in contact. (a) What fraction of the space in a tank of hydrogen gas at 08C and 1.00 atm is occupied by the hydrogen molecules themselves? (b) What fraction of the space within one hydrogen atom is occupied by its nucleus, of radius 1.20 fm
A single-walled carbon nanotube has 2.3x 1019 carbon atoms per m2 along its surface. The nanotube diameter is 1.4 nm. (a) Find the mass density of the nanotube in kg/m3. (b) Compare your answer to (a) with the density of steel, about 7800 kg/m3.
It may be argued on theoretical grounds that the radius of the hydrogen atom should depend only on the fundamental constants h, e, the electrostatic force constant k = 1/4πℰ0, and m (the electron’s mass). Use dimensional analysis to show that the combination of these factors that yields a result with dimensions of length is h2kme2.

Chapter 43 Solutions

Bundle: Physics For Scientists And Engineers With Modern Physics, Loose-leaf Version, 10th + Webassign Printed Access Card For Serway/jewett's Physics For Scientists And Engineers, 10th, Single-term

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