The greater the speed of gas particles in a container, the A. greater the pressure. C. fewer collisions there will be. B. lower the temperature D. lower the pressure.
The correct answer and explanation is:
The correct answer is A. greater the pressure.
Explanation:
Gas pressure in a container results from the collisions of gas particles with the walls of the container. When gas particles move faster, their speed increases, which means they collide with the container walls more frequently and with more force. These more frequent and more forceful collisions increase the pressure exerted by the gas on the container walls.
The speed of gas particles is directly related to their kinetic energy, which depends on temperature. Higher temperature means particles move faster, increasing kinetic energy. This increased motion leads to more energetic impacts on the container walls, thus raising the pressure if the volume of the container remains constant.
Option B, “lower the temperature,” is incorrect because temperature and particle speed are directly proportional. As particle speed increases, so does the temperature.
Option C, “fewer collisions there will be,” is incorrect because faster-moving particles actually collide more often with the container walls, not less.
Option D, “lower the pressure,” is incorrect for the reasons explained above; higher particle speed results in higher pressure.
In summary, increasing the speed of gas particles increases the number and force of collisions with the container walls, which raises the gas pressure inside the container.