# A container has a volume of #15 L# and holds #9 mol# of gas. If the container is compressed such that its new volume is #8 L#, how many moles of gas must be released from the container to maintain a constant temperature and pressure?

##### 1 Answer

Sep 1, 2017

See below

#### Explanation:

According to Ideal Gas equation

Where

Now moving on to the second condition

Dividing (I) and (II)

We have,

Since the given conditions are same for both the cases, These can be canceled out..... So we are left with

Therefore 9 - 4.8 moles need to be removed

i.e