contestada

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

Respuesta :

Answer:

 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:

            [tex]\frac{v_{1} }{T_{1} }[/tex] = [tex]\frac{v_{2} }{T_{2} }[/tex]

v and T are volume and Temperature

           [tex]\frac{20}{140}[/tex]   = [tex]\frac{v_{2} }{273}[/tex]  

 

         v₂ x 140  = 20 x 273

         v₂ = 39L