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How much does a helium tank cost?
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How is it possible that the volume of a helium tank is much less that 500 balloons it can fill?
The volume of a helium tank refers to the physical space it occupies and is not directly related to the number of balloons it can fill. When the helium is released from the tank and fills the balloons, it expands to occupy a much larger volume due to the low density of helium gas compared to its liquid form in the tank. This expansion allows the helium from a tank with a small volume to fill a larger number of balloons.
Why does a steel tank filled with helium gas not rise in air?
A steel tank filled with helium gas does not rise in air because the weight of the tank and the helium gas inside is still greater than the buoyant force acting on it. The buoyant force is the force that causes objects to float in a fluid, like air. Since the tank is heavy and the helium gas is not strong enough to lift it, the tank remains on the ground.
Will a helium tank explode in cold weather?
No. Firstly, helium will not explode chemically as it is inert. Secondly, if you wanted to increase the pressure in the tank, you'd have to heat it, not cool it. If the tank material were faulty, it might conceivably crack but in that case the helium would just escape.
Where are the particles of helium farthest apart in a tank or in a balloon?
The particles of helium are farthest apart in a balloon.
