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Chapter 20: Q. 2 (page 566)

Gases, in contrast with solids and liquids, are very compressible. What can you infer from this observation about the microscopic nature of gases?

Short Answer

Expert verified

In case of gases, the atoms are far away from each other. As a result, gases are highly compressible.

Step by step solution

01

Given Information

Gases are highly compressible compared to liquids and solids.

02

Finding the reason behind the high compressibility of gases

In case of Gases, the compressibility is seen to be high. From this observation, it can be inferred that the atoms in gas are far away from each other and repulsion power among the atoms are not as strong as compared to solids. As a result, gases are highly compressible.

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Most popular questions from this chapter

a. Find an expression for thevrmsof gas molecules in terms ofp,Vand the total mass of the gas M.

b. A gas cylinder has a piston at one end that is moving outward at speed vpistonduring an isobaric expansion of the gas. Find an expression for the rate at which is changing in terms of vpiston, the instantaneous value of vrms, and the instantaneous value Lof the length of the cylinder.

c. A cylindrical sample chamber has a piston moving outward at 0.50m/sduring an isobaric expansion. The rms speed of the gas molecules is localid="1648640672000" 450m/sat the instant the chamber length is localid="1648640676590" 1.5m. At what rate is localid="1648640708264" vrmschanging?

The number density in a container of neon gas is 5.00×1025m-3. The atoms are moving with an rms speed of 660m/s. What are

(a) the temperature and

(b) the pressure inside the container?

The rmsspeed of molecules in a gas is 600m/s. What will be the rms speed if the gas pressure and volume are both halved?

A mad engineer builds a cube,2.5mon a side, in which 6.2-cmdiameterrubber balls are constantly sent flying in random directions by vibrating walls. He will award a prize to anyone who can figure out how many balls are in the cube without entering it or taking out any of the balls. You decide to shoot 6.2-cmdiameter plastic balls into the cube, through a small hole, to see how far they get before colliding with a rubber ball. After many shots, you find they travel an average distance of 1.8m. How many rubber balls do you think are in the cube?

A gas consists of a mixture of neon and argon. The rmsspeed of the neon atoms is 400m/s. What is the rms speed of the argon atoms?
See all solutions

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