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Pressure is the average force with which gas molecules hit the walls of the containers. Conceptually we broke pressure into how "hard" the particles hit the wall and how often. Let us translate this to physics. The force with which the gas particles hit the wall is actually proportional to the change in the momentum, or Amv. The change refers to the momentum after the collision with wall compared to the momentum before the collision. For ideal gases the only change that occurs when a gas particle hits the wall is the change in the direction of the motion of the particle. Therefore the force is proportional to ms-the mass x speed. Use this idea, that Pressure ox ms, to select the correct statement(s) below. There may be more than one. When a particle hits the wall its mass does not change. In a container of different gases, the gas particles with the higher speeds exert greater forces on the walls of the container. In a container of the same gases, the gas particles with the higher speeds exert greater forces on the walls of the container. When a particle hits the wall its speed does not change. Two particles that hit the wall cannot possibly have the same momentum.

Pressure is the average force with which gas molecules hit the walls of the containers. Conceptually we broke pressure into how "hard" the particles hit the wall and how often. Let us translate this to physics. The force with which the gas particles hit the wall is actually proportional to the change in the momentum, or Amv. The change refers to the momentum after the collision with wall compared to the momentum before the collision. For ideal gases the only change that occurs when a gas particle hits the wall is the change in the direction of the motion of the particle. Therefore the force is proportional to ms-the mass x speed. Use this idea, that Pressure ox ms, to select the correct statement(s) below. There may be more than one. When a particle hits the wall its mass does not change. In a container of different gases, the gas particles with the higher speeds exert greater forces on the walls of the container. In a container of the same gases, the gas particles with the higher speeds exert greater forces on the walls of the container. When a particle hits the wall its speed does not change. Two particles that hit the wall cannot possibly have the same momentum.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Understanding Gas Pressure and Momentum** Pressure is the average force with which gas molecules hit the walls of containers. Conceptually, we break pressure into how "hard" the particles hit the wall and how often. Let's translate this to physics. The force with which the gas particles hit the wall is actually proportional to the change in the momentum, or Δmv. The change refers to the momentum after the collision with the wall compared to the momentum before the collision. For ideal gases, the only change that occurs when a gas particle hits the wall is the change in the direction of the motion of the particle. Therefore, the force is proportional to ms – the mass x speed. **Use this idea, that Pressure ∝ ms, to select the correct statement(s) below. There may be more than one.** - [ ] When a particle hits the wall its mass does not change. - [ ] In a container of different gases, the gas particles with the higher speeds exert greater forces on the walls of the container. - [ ] In a container of the same gases, the gas particles with the higher speeds exert greater forces on the walls of the container. - [x] When a particle hits the wall its speed does not change. - [x] Two particles that hit the wall cannot possibly have the same momentum.
Transcribed Image Text:**Understanding Gas Pressure and Momentum** Pressure is the average force with which gas molecules hit the walls of containers. Conceptually, we break pressure into how "hard" the particles hit the wall and how often. Let's translate this to physics. The force with which the gas particles hit the wall is actually proportional to the change in the momentum, or Δmv. The change refers to the momentum after the collision with the wall compared to the momentum before the collision. For ideal gases, the only change that occurs when a gas particle hits the wall is the change in the direction of the motion of the particle. Therefore, the force is proportional to ms – the mass x speed. **Use this idea, that Pressure ∝ ms, to select the correct statement(s) below. There may be more than one.** - [ ] When a particle hits the wall its mass does not change. - [ ] In a container of different gases, the gas particles with the higher speeds exert greater forces on the walls of the container. - [ ] In a container of the same gases, the gas particles with the higher speeds exert greater forces on the walls of the container. - [x] When a particle hits the wall its speed does not change. - [x] Two particles that hit the wall cannot possibly have the same momentum.
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