Answer to Question #280855 in General Chemistry for Rayo

Question

A gas exerts a pressure of 2.0 atm, at 30°C, in a 10 L container. In what size container would the same amount of gas exert a pressure of 4.0 atm at 20° C?

  

Answer 1

Using the gas law:

pV = nRT, and keeping the same number of moles of gas (n),

we find the final volume V₂:

V₂ = (T2/p2)*(p₁*V₁/T₁) = (293 K/ 4.0 atm)*(2.0 atm * 10 L / 303 K) = 4.83 L