Drop in pressure, what volume is left?

AI Thread Summary
The discussion revolves around calculating the volume of liquid nitrogen remaining in a vessel after a pressure drop from 100 Psi to 47 Psi due to a leak. The initial approach using the equation P1V1 = P2V2 is questioned, as it may only apply to closed systems. Participants express uncertainty about the problem's wording and the sufficiency of the provided information. The need for clarification on how to accurately solve the problem is emphasized. Overall, the thread highlights the complexities of pressure-volume relationships in open systems.
Hexxor
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Homework Statement



There is a vessel with 10 Liters of Liquid Nitrogen.
The normal pressure is 100 Psi.
After a couple hours the pressure is dropped to 47 Psi because of leak in the vessel.

How much of the Liquid Nitrogen did we lose/is left in the vessel?

Homework Equations



I'm really not sure. I thought about P1V1 = P2V2, but I don't think that will work here.

The Attempt at a Solution



Using P1V1 = P2V2 I got an answer, but I think that will only work for a closed system (drop in pressure means increase in volume and vice versa)

So, does anyone have an idea how to solve this?
 
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What is the exact wording of this problem (not your paraphrasing)? There seems to be information missing.

Chet
 
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