An unknown gas has a volume of 20L at 140K. What is its volume at STP? Be sure to show the setup and the final answer and unit.
Show Your Work

 v₂ = 39L

Explanation:

Given parameters:

Initial volume of gas  = 20L

Initial temperature  = 140K

Unknown:

Final volume  = ?

Solution:

Since the standard temperature of any gas is 273K, the final temperature is this 273K;

 Applying Charles's law:

            =

v and T are volume and Temperature

              =  

         v₂ x 140  = 20 x 273

         v₂ = 39L

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it's filtration, but this is an assumption so my apologies if i got this