Hot air balloons are often seen in early morning or right before the end of the day when it is cooler outside. This allows for the greatest difference in density between the hot air in the balloon and the outside air, and thus allows for the balloon to float more easily. If the outside air is 3oC, and the air inside of a hot air balloon is 50oC, calculate the densities of the air inside the balloon and outside the balloon. The air pressure is 102.0 kPa for both the balloon and the air. How many times more dense is the outside air than the air inside the balloon? Assume that the air in the balloon and in the air outside is made of nitrogen gas (N2).

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 Hot air balloons are often seen in early morning or right before the end of the day when it is
cooler outside. This allows for the greatest difference in density between the hot air in the balloon
and the outside air, and thus allows for the balloon to float more easily.
If the outside air is 3oC, and the air inside of a hot air balloon is 50oC, calculate the densities of
the air inside the balloon and outside the balloon. The air pressure is 102.0 kPa for both the
balloon and the air. How many times more dense is the outside air than the air inside the balloon?
Assume that the air in the balloon and in the air outside is made of nitrogen gas (N2). [

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