A 18.0 L helium tank is pressurized at 27.0 atm. When connected to this tank, a

Question

A 18.0 L helium tank is pressurized at 27.0 atm. When connected to this tank, a balloon will inflate because the pressure inside the tank is greater than the atmospheric pressure pushing on the outside of the balloon. Assuming the balloon could expand indefinitely and never bust, the pressure would eventually equalize causing the balloon to stop inflating. What would the volume of the balloon be when this happens? Assume atmospheric pressure is 1.00 atm. Also assume ideal behavior and constant temperature.

Explanation / Answer

(18.0 L) x (27.0 / 1.00) =486 L total at 1 atm But there are still 18 L in the tank, so the volume of the balloon is 486- 18 = 468 L

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