Question

E2d. On birthday parties, balloons are commonly used. You can buy the inflated balloons or buy a helium tank and inflate by yourself.

The helium tank has a cylindrical shape. The height is 18.13 inch and the diameter is 12.5 inch. Please estimate the number of balloons that can be inflated with the He gas in the tank by answering the following questions step by step. The outside pressure is 1.00 atm. 1 inch = 2.54 cm, .


(a) What is the pressure inside the balloon?

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