Chemical, Physical and Thermal Properties of Helium - He
Helium is a chemical element and a colorless, odorless, tasteless, inert gas. It has the smallest atomic radius of any element and the second-lowest atomic weight. It is lighter than air. Most people know that helium is used as a lifting gas in blimps and party balloons, but they can't name another. #helium #hnt #heliumtokenHow To Mine HNT Helium Token At Home In 2021What Is Helium?In today's video I will be showing you how I mine HNT Helium at home in 2.
It worked for me pdf free download by jeff kinney. Chemical, physical and thermal properties of Helium - He :
(values at 25oC (77oF, 298 K) and atmospheric pressure)
|Specific Gravity, air = 1||0.138|
|Specific Volume (ft3/lb, m3/kg)||97.86, 6.11|
|Density of liquid at atmospheric pressure (lb/ft3, kg/m3)||7.80, 125|
|Absolute Viscosity (lbm/ft s, centipoises)||13.4 10-6, 0.02|
|Sound velocity in gas (m/s)||1015|
|Specific Heat - cp - (Btu/lboF or cal/goC, J/kgK)||1.24, 5188|
|Specific Heat Ratio - cp/cv||1.66|
|Gas constant - R - (ft lb/lboR, J/kgoC)||386, 2077|
|Thermal Conductivity (Btu/hr ft oF, W/moC)||0.086, 0.149|
|Boiling Point - saturation pressure 14.7 psia and 760 mm Hg - (oF, oK)||-452, 4.22|
|Latent Heat of Evaporation at boiling point (Btu/lb, J/kg)||10.0, 23300|
|Critical Temperature (oF, oK)||-450.3, 5.2|
|Critical Pressure (psia, MN/m2)||33.22, -|
|Critical Volume (ft3/lb, m3/kg)||0.231, 0.0144|
Follow the links below to get values for the listed properties of helium at varying pressure and temperature:
See also more about atmospheric pressure, and STP - Standard Temperature and Pressure & NTP - Normal Temperature and Pressure,
as well as Thermophysical properties of: Acetone, Acetylene, Air, Ammonia, Argon, Benzene, Butane, Carbon dioxide, Carbon monoxide, Ethane, Ethanol, Ethylene, Hydrogen, Hydrogen sulfide, Methane, Methanol, Nitrogen, Oxygen, Pentane, Propane, Toluene, Water and Heavy water, D2O.
- Material Properties - Material properties for gases, fluids and solids - densities, specific heats, viscosities and more
- Acetone - Thermophysical Properties - Chemical, physical and thermal properties of acetone, also called 2-propanone, dimethyl ketone and pyroacetic acid. Phase diagram included.
- Air - Thermophysical Properties - Thermal properties of air - density, viscosity, critical temperature and pressure, triple point, enthalpi and entropi, thermal conductivity and diffusicity, and more
- Benzene - Thermophysical properties - Chemical, physical and thermal properties of benzene, also called benzol. Phase diagram included.
- Carbon Dioxide Properties - Properties of saturated liquid Carbon Dioxide - CO2 - density, specific heat, kinematic viscosity, thermal conductivity and Prandtl number
- Critical Points for some Substances - Critical points of some common substances like air, argon, helium and more
- Critical Temperatures and Pressures for some Common Substances - Critical temperatures and pressures for some common substances - air, alcohol, ether, oxygen and more
- Cryogenic Fluids - or Liquefied Gas Properties - Cryogenic properties as density, boiling points and heat of evaporation for fluids like hydrogen, methane, oxygen, nitrogen, fluorine and helium
- Ethane - Thermophysical Properties - Chemical, Physical and Thermal Properties of Ethane - C2H6
- Ethylene - Thermophysical Properties - Chemical, physical and thermal properties of ethylene, also called ethene, acetene and olefiant gas. Phase diagram included.
- Gas Mixture Properties - Special care must be taken for gas mixtures when using the ideal gas law, calculating the mass, the individual gas constant or the density
- Gases - Densities - Densities and molecular weights of some common gases - acetylene, air, methane, nitrogen, oxygen and others .
- Helium - Density and Specific Weight - Online calculator, figures and tables showing density and specific weight of helium, He, at varying temperature and pressure - Imperial and SI Units
- Hydrogen - Thermophysical Properties - Chemical, Physical and Thermal Properties of Hydrogen - H2
- Ideal Gas Law - The relations between volume, pressure, temperature and quantity of a gas, including definition of density of a gas
- Moist Air Properties - Psychrometric table with humid air properties
- Nitrogen - Enthalpy, Internal Energy and Entropy - Enthalpy, internal energy and entropy of Nitrogen as ideal gas
- Non-ideal gas - Van der Waal's Equation and Constants - Listing of van der Waals constants for more than 200 gases, used to correct for non-ideal behavior of gases caused by intermolecular forces and the volume occupied by the gas particles
- Oxygen - Enthalpy, Internal Energy and Entropy - Enthalpy, internal energy and entropy of oxygen as ideal gas
- Pentane - Thermophysical Properties - Chemical, physical and thermal properties of pentane, also called n-pentane. Phase diagram included.
- Solubility of Gases in Water - Solubility of Ammonia, Argon, Carbon Dioxide, Carbon Monoxide, Chlorine, Ethane, Ethylene, Helium, Hydrogen, Hydrogen Sulfide, Methane, Nitrogen, Oxygen and Sulfur Dioxide in water
Helium is a chemical element that occurs in great abundance throughout the universe, although it is not as widely distributed on Earth. It typically takes the form of a gas, and it heads up the list of noble gases in the periodic table of elements. Like other noble gases, helium is extremely stable, and it does not readily form compounds with other elements. There are a number of uses for this gas, and it is widely considered to be a very useful and valuable element.
Helium At Home Depot
As mentioned, Helium is an element, and cannot be synthesised like a chemical compound. For more information, read Is helium a finite resource? However, if you're looking for a lifting gas to fill balloons, hydrogen gas can be easily and cheaply p. Product Title Balloon Time 9.5in Standard Helium Tank Kit (Includes 30 Assorted Latex Balloons and White Ribbon) Average Rating: ( 3.3 ) out of 5 stars 647 ratings, based on.
The atomic number of helium is two, making it the second lightest element. It is identified on the periodic table with the symbol He, and it is the least reactive of the noble gases. As a result, helium is one of the least reactive elements on Earth. Its extreme stability makes it a popular choice for a range of uses in situations where unstable materials are being handled, or where the use of other elements might be dangerous.
How To Make Helium At Home
How to Suck in a Helium Balloon. Helium is a super light gas which can make your vocal cords vibrate at a much faster rate, producing a high-pitched tone. You can inhale helium directly from a balloon for a few seconds and then say.
The discovery of helium occurred in 1868, when astronomers observed a strange band of light during a solar eclipse. The band of light did not correlate with any known element, and the observers realized that they had identified a new gas, which they called “helium” after the Greek Helios, for “Sun.” Within 30 years, scientists had succeeded in isolating and extracting the gas from the mineral clevite.
Although helium is the second most abundant element in the universe, it can be challenging to find on Earth. It is frequently extracted from natural gas, which can contain the element in concentrations ranging from 2 to 7%. The extremely stable, non-reactive gas became a vital tool during the First World War, when access to helium was highly restricted, and this occurred again during the Second World War. Many of the potential uses of the gas can be military in nature, including use as a non-reactive buffer for arc welding and as a lifting agent for balloons of all sizes. Helium is also used as a supercoolant in scientific experimentation and nuclear reactors.
At Home Helium For Balloons
Pure helium is not toxic, and exposure to the clear, odorless, and tasteless gas should not pose a health risk. However, excessive inhalation of the gas can be dangerous, as it will act as an asphyxiate. In addition, when inhaled directly from a pressurized tank, it may cause lung damage, and commercial helium such as that found in party balloons may be contaminated with other substances that are not healthy to inhale.