A pocket of gas is discovered in a deep drilling operation. The gas
has a temperature of 480 degrees C and is at a pressure of 12.8 atm.
What volume of gas is required to provide 18.0 L of gas at the surface
where the conditions are 22 degrees C and 1.00 atm?

From the ideal gas law P1V1/T1 = P2V2/T2.

Therefore, V2 = T2/T1 X P1/P2 X V1

Converting deg. C to Kelvin by adding 273.15 yields:

V2 = 753.15 K/295.15 K X .00atm/12.8 atm X 18L = 3.59L

This makes sense since the gas underground is at a much higher pressure.

Sincerely,

Wonko