Lecture 10- Kinetic Theory Chapter 19 - Rutgers Physics

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Lecture 10- Kinetic TheoryChapter 19

Prof. Noronha-HostlerPHY-124H HONORS ANALYTICAL PHYSICS IB

Phys- 124HApril 6th, 2018

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May 8th, 8am-11am rooms SEC 208/209

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Expansion

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19.3.1. Under which of the following circumstances does a real gas behave like an ideal gas?

a) The gas particles move very slowly.

b) The gas particles do not collide with each other very often.

c) The interaction between the gas particles is negligible.

d) The interaction between the gas particles and the walls of the container is negligible.

e) There are only one kind of particles in the container.

19.3.1. Under which of the following circumstances does a real gas behave like an ideal gas?

a) The gas particles move very slowly.

b) The gas particles do not collide with each other very often.

c) The interaction between the gas particles is negligible.

d) The interaction between the gas particles and the walls of the container is negligible.

e) There are only one kind of particles in the container.

19.3.3. An ideal gas is enclosed within a container by a moveable piston. If the final temperature is two times the initial temperature and the volume is reduced to one-fourth of its initial value, what will the final pressure of the gas be relative to its initial pressure, P1?

a) 8P1

b) 4P1

c) 2P1

d) P1/2

e) P1/4

19.3.3. An ideal gas is enclosed within a container by a moveable piston. If the final temperature is two times the initial temperature and the volume is reduced to one-fourth of its initial value, what will the final pressure of the gas be relative to its initial pressure, P1?

a) 8P1

b) 4P1

c) 2P1

d) P1/2

e) P1/4

19.4.2. Two identical, sealed containers have the same volume. Both containers are filled with the same number of moles of gas at the same temperature and pressure. One of the containers is filled with helium gas and the other is filled with neon gas. Which one of the following statements concerning this situation is true?

a) The speed of each of the helium atoms is the same value, but this speed is different than that of the neon atoms.

b) The average kinetic energy of the neon atoms is greater than that of the helium atoms.

c) The pressure within the container of helium is less than the pressure in the container of neon.

d) The internal energy of the neon gas is greater than the internal energy of the helium gas.

e) The rms speed of the neon atoms is less than that of the helium atoms.

19.4.2. Two identical, sealed containers have the same volume. Both containers are filled with the same number of moles of gas at the same temperature and pressure. One of the containers is filled with helium gas and the other is filled with neon gas. Which one of the following statements concerning this situation is true?

a) The speed of each of the helium atoms is the same value, but this speed is different than that of the neon atoms.

b) The average kinetic energy of the neon atoms is greater than that of the helium atoms.

c) The pressure within the container of helium is less than the pressure in the container of neon.

d) The internal energy of the neon gas is greater than the internal energy of the helium gas.

e) The rms speed of the neon atoms is less than that of the helium atoms.

19.4.3. A monatomic gas is stored in a container with a constant volume. When the temperature of the gas is T, the rms speed of the atoms is vrms. What is the rms speed when the gas temperature is increased to 3T?

a) vrms/9

c) 3vrms

d) vrms

e) 9vrms

rms / 3v

19.4.3. A monatomic gas is stored in a container with a constant volume. When the temperature of the gas is T, the rms speed of the atoms is vrms. What is the rms speed when the gas temperature is increased to 3T?

a) vrms/9

c) 3vrms

d) vrms

e) 9vrms

rms / 3v

19.5.1. Closed containers A and B both contain helium gas at the same temperature. There are n atoms in container A and 2n atoms in container B. At time t = 0 s, all of the helium atoms have the same kinetic energy. The atoms have collisions with each other and with the walls of the container. After a long time has passed, which of the following statements will be true?

a) The atoms in both containers have the same kinetic energies they had at time t = 0 s.

b) The atoms in both containers have a wide range of speeds, but the distributions of speeds are the same for both A and B.

c) The average kinetic energy for atoms in container B is higher than that for container A.

d) The average kinetic energy for atoms in container A is higher than that for container B.

e) The atoms in both containers have a wide range of speeds, but the distributions of speeds has a greater range for container B than that for container A.

19.5.1. Closed containers A and B both contain helium gas at the same temperature. There are n atoms in container A and 2n atoms in container B. At time t = 0 s, all of the helium atoms have the same kinetic energy. The atoms have collisions with each other and with the walls of the container. After a long time has passed, which of the following statements will be true?

a) The atoms in both containers have the same kinetic energies they had at time t = 0 s.

b) The atoms in both containers have a wide range of speeds, but the distributions of speeds are the same for both A and B.

c) The average kinetic energy for atoms in container B is higher than that for container A.

d) The average kinetic energy for atoms in container A is higher than that for container B.

e) The atoms in both containers have a wide range of speeds, but the distributions of speeds has a greater range for container B than that for container A.

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Distribution

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Piston

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Molecules

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Phases

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Degrees of Freedom

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Adiabatic

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Lecture 10- Kinetic Theory Chapter 19 - Rutgers Physics

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