A plastic bag is filled with nitrogen at atmospheric pressuren and 24 degrees ce

Question

A plastic bag is filled with nitrogen at atmospheric pressuren and 24 degrees celcius. Assume that the mass of the bag is negligible and take the temperature of the outside air to be 0 degrees celcius. With the help of this 'balloon' we want to lift a 42.0 kg girl off of her feet.

How large a volume of nitrogen (in m^3) is required?

If hot air is used instead of nitrogen, what is the required volume of the balloon if the air inside can be maintained at 40.0 degrees celcius.

Please show work. Thanks.

Explanation / Answer

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