Science Buddies: "Ask an Expert"

A DIY (do-it-yourself) helium tank has a volume of 7.0 L. It contains enough helium to fill 23 circular balloons with a radius of 15 cm at a temperature of 25.0 oC (room temperature). Assume that the pressure inside the balloons is 2.0 atm. (1 atm is 1.01 × 105 Pa).

What volume would all the gas in the tank occupy at 2.0 atm and a temperature of 25.0 oC (ie. when it is put into the balloons)?

Hi suhdude,

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