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Generally speaking, helium is safer, as it is an inert gas, but Hydrogen is cheaper to make and is lighter.
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Why is helium safer then hydrogen for use in airships?
Helium is inert. Will not burn like hydrogen does so well.
Why is it safer to use helium instead of hydrogen?
Helium is inert whereas hydrogen is flammable and under some conditions explosive
Why is helium used more frequently?
Hydrogen is extremely flammable and helium is safer.
Why do modern spacecraft use helium instead of hydrogen?
Helium is much safer, so it is often used in balloons and blimps, not spacecraft.Hydrogen is still used as a fuel. Helium will not burn.
Which floatation gas has been replaced by safer helium in airships?
The gas that helium replaced was Hydrogen
Helium safer than hydrogen?
Yes, because helium doesn't react, burn or explode.
Why is helium gas safer than hydrogen gas?
Because hydrogen is reactive and combines with oxygen, while helium is inert.
Why did the zeppelin company use hydrogen gas when helium gas would worked as well and been much safer?
During the time of the zeppelines, the US had more or less monopoly on Helium, and imposed an embargo on Germany on many things, one being Helium. The Hindenburg was designed for Helium, but had to turn to Hydrogen.
Is helium lighter or heavier than hydrogen?
Heavier but safer. Look what happened to the Hindenburg:(
How to Use valence electron configuration to explain why helium is safer than hydrogen for use in airships?
Helium had valence electron of 2 and filled the most inner ring so it is chemically robust and inert. Outer valence electron ring contain 8 electrons so for Neon is robust as it had 2,8 electrons and Argon had 2,8,8 electrons and fill the outer ring.
Why sun have hydrogen and helium?
Hydrogen is the fuel used by the sun, helium is the waste produced by hydrogen use in the fusion process
Why is hot air better than helium in hot air balloons?
Hot air balloons use hot air. They have a burner to heat the air. Hydrogen balloons were too dangerous because hydrogen is highly flammable, even static electricity could cause an explosion. Helium is safer because helium is not flammable.
