A rubber balloon is blown up with carbon dioxide which is almost 1 5 times as dense as air As the ba...........

General Science (Easy) Physics

A rubber balloon is blown up with carbon dioxide which is almost 1.5 times as dense as air. As the balloon expands the buoyant force of the air outside the balloon :

decreases

remains the same

increases

None

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Explanation:

increases

-Helium is less dense than air. Helium has 0.0114 pounds per cubic foot. For a one cubic foot helium filled balloon , gravity pulls the down on the helium with a force of 0.0114 pounds while the air pushes up with a force equal to the weight of the air the helium displaced, or 0.0807 pounds.