Posted by **I** on Friday, April 20, 2012 at 9:16pm.

The balloon contains 0.30 mol of helium starts at a pressure of 125 kpa and rises to an altitude where the pressure is 55.0 kpa, maintaining a constant 300 {\rm K} temperature.

A)By what factor does its volume increase?

B)How much work does the gas in the balloon do?

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