What are the properties of helium gas?

What are the properties of helium gas? Helium is a colourless, odourless, insipid and non-toxic gas. It’s less soluble in water than any other gas….Chemical properties of helium – Health effects of helium. Atomic number

What are the properties of helium gas?

Helium is a colourless, odourless, insipid and non-toxic gas. It’s less soluble in water than any other gas….Chemical properties of helium – Health effects of helium.

Atomic number	2
Density	0.178*10 -3 g.cm -3 at 20 °C
Melting point	– 272.2 (26 atm) °C
Boiling point	– 268.9 °C
Vanderwaals radius	0.118 nm

Does helium have low entropy?

The entropy of molecules increases with the changing of the physical states of matter from solid to gas due to internal degrees of freedom of motions. The ½ mol of liquid helium at 100 K is in liquid physical state. Therefore, this system has the lowest entropy than other.

What is the density of helium gas?

Helium is a colorless, odorless, tasteless gas with an extremely low density. It is usually shipped as a gas. Cylinder pressures are approximately 2200 psig @ 70° F….

Molecular Weight:	4.0026
Density, Liquid @ b.p..:	0.1248 g/ml
Critical Temperature:	-450.2 ° F
Critical Pressure:	33.22 psia
Critical Density:	0.0693 g/ml

What is the CV of helium?

3.1156 kJ/kg
The properties for helium are R = 2.0769 kPa. m3/kg. K, cp = 5.1926 kJ/kg. K, cv = 3.1156 kJ/kg.

What are five uses for helium?

10 Uses for Helium: More Than Balloons and Blimps

Heliox mixtures in respiratory treatments for asthma, bronchitis and other lung deficiencies.
MRI magnets.
High speed Internet and Cable TV.
Mobile phone, computer and tablet chips.
Computer hard drives.
Cleaning rocket fuel tanks.
Microscopes.
Airbags.

What is the entropy of helium?

Helium. Helium-3 has a negative entropy of fusion at temperatures below 0.3 K. Helium-4 also has a very slightly negative entropy of fusion below 0.8 K. This means that, at appropriate constant pressures, these substances freeze with the addition of heat.

What is the gas constant for helium?

2.0769
Properties of Various Ideal Gases (at 300 K)

Gas	Formula	Gas constant
Ethylene	C2H4	0.2964
Helium	He	2.0769
Hydrogen	H2	4.124
Methane	CH4	0.5182

How do we collect helium?

Helium is mined along with natural gas, using a drill rig to drill wells deep into the earth’s crust. A drill rig must penetrate a layer called the Cap Rock to reach a natural gas reserve.