0
Truly, WE DON'T, though its for things like balloons.
Wiki User
∙ 16y ago
Add your answer:
Earn +20 pts
What gases are in balloons?
air and helium
What did everyone say when helium robbed a bank?
"HE" did it!
I need to defer payment, what form do I need?
I need to defer payment, what form do I need?
How do you refinance a property that is worth less than the mortgage?
You need to speak with your lender.You need to speak with your lender.You need to speak with your lender.You need to speak with your lender.
What do you need to include in a advertisement poster?
you need to include what you are selling,
Why do starts need helium?
stars* and they don't need helium they make helium from hydrogen using nuclear fusion omg im 13 and i know this
Why does your body need helium?
Your body does not need helium. Helium is an inert gas, and it is not found as a "building block" of any organic material, or any other materials for that matter.
What is helium ions?
Helium ions can be synthesized by removing electrons from a helium atom and it would need a tremendous energy.
Helium atoms only need how many valence electrons to have a filled outermost energy level?
Helium is already full. Helium atoms only need 2 electrons to be full, and Helium, as an element, already has 2.
How do you make your voice high pitched with helium balloons?
you breath in the helium (you need to breath it in with out letting it out) and then talk.
How much helium would it take to lift 2000lbs?
to lift 1 kg or 2 pounds you need 0.16 kg of helium so for 2000 pounds you need 160 kg of helium or 320 pounds at 1 atmosphere
Do you need helium to make a balloon float?
Yes.
What compression ratio does helium need to loose its bouyancy?
Here are the densities at STP: Air (ρair) = 1.292 kg/m3. Helium (ρHe) = 0.178 kg/m3 so you'd need to compress Helium about 7x to achieve the same density as air.
Can helium be used in hot air balloons?
YES!!! However, there is no need to heat the helium. It is a light gas. and it is an inert gas.
Can we use helium as Fire extinguisher?
No, helium is not used in fire extinguishers. We find carbon dioxide (CO2) in some extinguishers, but not helium.
Do they use liquid helium for balloons?
No, in order for helium to be kept as a liquid it would need to be kept at a temperature of -268.93 degrees celsius.This is both highly difficult, and impracticle, therefore helium is stored and dispensed as a gas.
How many moles are present in 205g of helium?
To calculate the number of moles, you need to divide the given mass by the molar mass of helium. The molar mass of helium is approximately 4 g/mol. Therefore, the number of moles in 205g of helium would be 205g / 4g/mol = 51.25 mol.
