If 4 moles of gas are added to a container that already holds 1 mole of gas, what happens to the pressure inside the container due to the change in the amount of gas?
1 Answer
Sep 12, 2016
The pressure increases fivefold.
Explanation:
At constant volume, and constant temperature, pressure is proportional to the number of molecules, and thus to the number of moles.
We can see this immediately from the Ideal Gas equation:
i.e.