# A container has a volume of #6 L# and holds #5 mol# of gas. If the container is compressed such that its new volume is #12 L#, how many moles of gas must be released to maintain a constant temperature and pressure?

##### 1 Answer

Aug 8, 2018

#### Answer:

As the question is written, the number of moles can only be added is

#### Explanation:

Apply Avogadro's Law

At constant temperature and pressure

The initial volume is

The initial number of moles is

The final volume is

This is not a compression, it's an expansion

The final number of moles is

The number of moles to be added is