How many N2 molecules are in a 500mL container at 780mm Hg and 135°C?

[dhkdl1]

Can someone please get me started on this one homework question? How many molecules of N2 are in a 500mL container at 780mm Hg and 135 degress celsius?


Thanks

David

 

[mgb_phys]

A mole of a gas at STP (0deg C and 1 atmosphere) always occupy the same volume, about 22.4litres.
The volume expands linearly with absolute temperature and decreases linearly with pressure.
Call back if you need more hints.

 

[Gokul43201]

David:
1. Questions like this belong in the Homework & Coursework area (near the top of the forum main page);
2. We typically require you to first show some effort before we can help you.

 

[rocomath]

with all the given variables that you are given, what formula should you use?