Question

According to the kinetic-molecular theory, which of the following statements is true? Check all that apply.

1) If the temperatures of both containers are equal, container A has greater pressure than container B.
2) If the volume of container A decreased, its pressure would decrease.
3) If the pressure in both containers is equal, container A has a lower temperature than container B.

Answer 1

According to the kinetic-molecular theory, if the volume of a container decreases, its pressure also decreases. Moreover, if the pressures in two containers are equal and container A has a lower temperature than container B, it means that container A has a lower average speed of gas molecules.

Step-by-step explanation:

According to the kinetic-molecular theory, the following statements are true:

1. If the volume of container A decreased, its pressure would decrease. When the volume of a container decreases, the gas molecules have less space to move around, resulting in more frequent collisions with the walls of the container and an increase in pressure.
   
2. If the pressure in both containers is equal, container A has a lower temperature than container B. Pressure is directly related to temperature, according to Amontons's law. So, if the pressure is the same in both containers and container A has a lower temperature, it means that container A has less kinetic energy and therefore a lower average speed of gas molecules.