Question

Which quantity is most closely related to the speed of gas particles?

Answer 1

Answer:  Temperature

Explanation:  According to Kinetic molecular Theory of gases temperature is directly  proportional to the kinetic energy of the gas particle which leads to the speed of the gas.

Thus When the temperature increases, thermal motion of the particles increases which lead to the increase in the speed of the particle as they start moving in random directions.

They collide with each other and with the walls of the container during this process as well.

Answer 2

The temperature of the gas, the hotter they get the faster they move. the colder they get, the slower they move