# If #8 L# of a gas at room temperature exerts a pressure of #45 kPa# on its container, what pressure will the gas exert if the container's volume changes to #9 L#?

##### 1 Answer

Dec 27, 2016

The gas will exert a pressure of 40 kPa.

#### Explanation:

We can obtain the final pressure via Boyle's Law:

Let's identify the known and unknown variables:

- Initial Volume

- Final Volume

- Initial Pressure

- Final Pressure

All we have to do is rearrange the equation to solve for the final pressure. We do this by dividing both sides by

Now all we do is plug in the values and we're done!