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because it is a very rare element. and any thing rare is expensive e.g gold
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∙ 11y ago
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Why helium gas is chemically inactive?
Helium has 2 electrons in its S shell. The most electrons that an S shell can hold is 2 so helium has a full shell, this is why it is sometimes grouped with the noble gas' as they all display full outer shells. The so called noble gas' can also be forced to react under conditions of high temperature and pressure.
How many moles of Helium are in 6.46 g of Helium?
Helium is 4g/mol, so 6.46g of helium is 6.46/4=1.62 moles He.
What is helium's texture?
helium is a gas, so it doesn't really have a texture.
What is helium's natural state of matter?
Helium is usually in the form of a gas. Helium can liquefy, but it does so at a lower temperature than any other substance.
Is a helium balloon a solid?
A helium "balloon" is composed of two parts: the SOLID rubber balloon skin, and the GASeous helium. So the balloon part itself is a solid.
How are companies getting helium and why is it so expensive?
Helium is extracted as a by-product of methane. Because the technology is difficult helium is expensive.
Why are refrigerator filters so expensive?
Because the companies that make them like money
Why is it better to use hot air than helium?
Helium is very dangerous. It can easily ignite in the time of fire. So hot air is more preferable than Helium. ----------------- Helium is very safe to use as it is non-flammable, however, it is far more expensive than hot air.
Can you fight a fire with cryogenic helium?
In theory you could fight a fire with cryogenic helium, but in reality it would be exceedingly impractical and expensive. While helium is not extremely expensive, it is quite a bit more expensive than other substances normally used to fight fires - and much less plentiful. It is very expensive to lower helium to cryogenic conditions and the equipment necessary to maintain it at cryogenic conditions is also very expensive to build and operate. Note also that because it is such a light gas, it would quickly rise away from the fire, so it would require a lot more of it to fight the fire than if something heavier were used - like water, powder, or foam.
What is helium made from?
Do you mean helium? Helium is an element, so it's made of .... helium!
How do you suck helium from a balloon?
first you have to untie the ballon then you hold with you hand so that it wont come out then you hurry up and press it on you lip nd hold it tight on your lips then breth it in then hold it then talk then slowly release the heluim then it over it will on last about 15 sec so hurry up
Why helium gas is chemically inactive?
Helium has 2 electrons in its S shell. The most electrons that an S shell can hold is 2 so helium has a full shell, this is why it is sometimes grouped with the noble gas' as they all display full outer shells. The so called noble gas' can also be forced to react under conditions of high temperature and pressure.
Are there taxis in Sweden?
Yes, but they are not very commonly seen so you have to call the cab companies even in Stockholm. They are quite expensive.
How many moles of Helium are in 6.46 g of Helium?
Helium is 4g/mol, so 6.46g of helium is 6.46/4=1.62 moles He.
What is helium's texture?
helium is a gas, so it doesn't really have a texture.
Why are health insurance policies for individuals so expensive?
There are many reasons that Health Insurance is so expensive. Some reasons are the cost of prescription medicines are high, and also the Health Insurance companies need to make a profit as well.
Why are you running out of helium?
I'm personally not running out of helium. In fact helium is harmful to the human body in large doses. So no helium would not affect me.
