# If #9 L# of a gas at room temperature exerts a pressure of #12 kPa# on its container, what pressure will the gas exert if the container's volume changes to #4 L#?

##### 1 Answer

Jul 24, 2016

#### Explanation:

Let's identify our knowns and unknowns:

The first volume we have is

We can ascertain the answer using Boyle's Law:

Rearrange the equation to solve for

We do this by dividing both sides by

Now all we have to do is plug in the given values: