# A sample of carbon monoxide occupies 2.44 L at 295.0 K and 771 torr. Find its volume at -47 degrees Celsius and 350 torr?

##### 2 Answers

#### Explanation:

The key to solving this problem is to realize that a mercury column is used as a highly visual measure of pressure. One atmosphere of pressure will support a column of mercury that is

i.e.

....And thus we can use the length measurement to represent pressure...We also realize that we must use

So we solve for

And so........

Of course, I could have reduced each pressure measurement to units of

Do you see how the units cancel in the expression to give an answer in

#### Explanation:

As there are a constant number of moles:

If