# If a sample of helium gas at 870 torr and 22 degrees C is allowed to expand from 23 L to 55 L without changing the temperature, what pressure will the helium gas exert?

##### 1 Answer

May 25, 2018

#### Answer:

Well, for a start...the measurement of pressure is illegitimate...

#### Explanation:

We know that one atmosphere will support a column of mercury that is

And so here

And so