The volume of a gas sample is increased.  Why does the pressure, which is exerted by the gas, decrease?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

As the volume of a gas is increased, its pressure decreases because of the fact that :

(i)  The molecules have to travel a longer distance between impact on the walls of the container.

(ii)  These impacts are now distributed over a larger area.

Answered by  | 4th Jun, 2014, 03:23: PM