Helium is not very dense especially because it is a gas, hence when you inhale helium it makes your voice high pitched because the low density the sound waves are travelling through lets the sound waves go faster, it is like fast forwarding a video or a sound the pitch get higher and higher the faster you go.
The volume of 10.9 mol of helium at STP is 50 litres.
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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.
2.5 liters. The gas will fill whatever volume you put it in, no matter what (as long as it remains a gas and not a liquid). The only thing that will change is the pressure and/or temperature of the gas when making the transfer.
A mixture of oxygen and helium is used in diving.
The volume of 10.9 mol of helium at STP is 50 litres.
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Helium accounts for around 8% of the volume of all matter (baryonic particles) in the universe.
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.
depends on the size of its container and volume of helium filling it
If the volume of the helium balloon doubles as it rises, the density of the helium inside it decreases. This is because the same amount of helium gas is now spread out over a larger volume, leading to a lower density.
The volume of the Earth is 50 times greater than the volume of the Moon.
The surface of the Sun consists of hydrogen (about 74% of its mass, or 92% of its volume), helium (about 24% of mass, 7% of volume), and trace quantities of other elements, including iron, nickel, oxygen, silicon, sulfur, magnesium, carbon, neon, calcium, and chromium.
Hydrogen has more lifting power than helium because it is lighter. This means that a given volume of hydrogen can lift more weight than the same volume of helium.
If the volume of the balloon doubles while the mass of helium remains the same, the density of helium inside the balloon would decrease by half. Density is calculated as mass divided by volume, so if volume doubles and mass stays the same, the density will decrease.
2.5 liters. The gas will fill whatever volume you put it in, no matter what (as long as it remains a gas and not a liquid). The only thing that will change is the pressure and/or temperature of the gas when making the transfer.
A mixture of oxygen and helium is used in diving.