You should now be able to observe that the chamber is 10nm by 10nm. You may assume that the chamber is 10nm deep so that the volume of the chamber is 1000nm³ (= length x height x depth = 10nm x 10nm x 10nm.

Then record the temperature and pressure in columns 2 and 4 in Table .

Calculate the volume assuming a depth of 10nm for the chamber.  Enter that into column 3. 

Calculate pressure times volume and place that in column 5.

Width (nm)	Temp (K)	Volume (nm3)	Pressure (atm)	PV (atm nm3)
5	300		23.4
7	300		16.6
10	300		11.7
12	300		9.7
15	300		7.8