# A sample of helium has a volume of 325 mL and a pressure of 655 mm Hg. What will be the pressure if the helium is compressed to 125 mL?

##### 1 Answer

Nov 29, 2015

#### Answer:

The pressure at

#### Explanation:

This is an example of Boyle's law, which states that the volume of a given amount of gas at constant temperature, varies inversely with the pressure. The equation is

**Given/Known**

Pressure 1:

Volume 1:

Volume 2:

**Unknown**

Pressure 2:

**Solution**

Rearrange the equation to isolate