A balloon which is initially collapsed and flat is slowly filled with a gas at 100 kPa so as to form it into a sphere of 1m radius. What is the work done by the gas in the balloon during the filling process?

A balloon which is initially collapsed and flat is slowly filled with

1.	A balloon which is initially collapsed and flat is slowly filled with a gas at 100 kPa so as to form it into a sphere of 1m radius. What is the work done by the gas in the balloon during the filling process?
A.	428.9 kJ
B.	418.9 kJ
C.	420.9 kJ
D.	416.9 kJ
Answer» C. 420.9 kJ

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A balloon which is initially collapsed and flat is slowly filled with a gas at 100 kPa so as to form it into a sphere of 1m radius. What is the work done by the gas in the balloon during the filling process?

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