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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. ... Per-kilogram prices of some synthetic ...

  3. Helium production in the United States - Wikipedia

    en.wikipedia.org/wiki/Helium_production_in_the...

    Helium usually makes up a minuscule portion of natural gas, but can make up as much as 10 percent of natural gas in some fields. A helium content of 0.3 percent or more is considered necessary for commercial helium extraction. [1] In 2012, helium was recovered at 16 extraction plants, from gas wells in Colorado, Kansas, Oklahoma, Texas, and ...

  4. Liquid helium - Wikipedia

    en.wikipedia.org/wiki/Liquid_helium

    Liquid helium is a physical state of helium at very low temperatures at standard atmospheric pressures.Liquid helium may show superfluidity.. At standard pressure, the chemical element helium exists in a liquid form only at the extremely low temperature of −269 °C (−452.20 °F; 4.15 K).

  5. Chart: Gas prices hit a new high. Here's how much a gallon ...

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    Across the country, gas prices are highest in the West. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...

  6. Here's How Much a Gallon of Gas Costs Around the World - AOL

    www.aol.com/heres-much-gallon-gas-costs...

    Inflation rates in Switzerland just hit 30-year highs with gasoline prices being one major factor. Now a gallon of gas costs $2.36 per gallon more than the worldwide average and a whopping $3.64 ...

  7. The world is running out of helium. Here's why doctors are ...

    www.aol.com/news/world-running-helium-heres-why...

    At any point, an MRI machine contains about 2,000 liters of liquid helium, though suppliers need to replenish any helium that boils off. Mahesh estimates that an MRI machine uses 10,000 liters of ...

  8. Natural gas prices - Wikipedia

    en.wikipedia.org/wiki/Natural_gas_prices

    Natural gas prices 2000 - May 23, 2022 Comparison of natural gas prices in Japan, United Kingdom, and United States, 2007-2011 Natural gas prices at the Henry Hub in US Dollars per million Btu for the 2000-2010 decade. Price per million BTU of oil and natural gas in the US, 1998-2015

  9. Helium - Wikipedia

    en.wikipedia.org/wiki/Helium

    Through this time, both helium consumption and the costs of producing helium increased. [82] From 2002 to 2007 helium prices doubled. [83] As of 2012, the United States National Helium Reserve accounted for 30 percent of the world's helium. [84] The reserve was expected to run out of helium in 2018. [84]

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