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Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars. ... ( mg / kg ) Price [7] Year Source Notes USD/kg USD/L [c] 1: H: Hydrogen ...
The heating value depends on the source of gas that is used and the process that is used to liquefy the gas. The range of heating value can span ±10 to 15 percent. A typical value of the higher heating value of LNG is approximately 50 MJ/kg or 21,500 BTU/lb. [2] A typical value of the lower heating value of LNG is 45 MJ/kg or 19,350 BTU/lb.
Abundances are given as pollution free monthly mean mole fractions in parts-per-trillion. Atmospheric concentration of pentafluoroethane at various latitudes since year 2007. HFC-125 is a non-ozone depleting replacement for chlorine - or bromine -containing chemicals such as Halon 1301 .
Phase behavior Triple point: 91 K (−182 °C), 1.1 Pa Critical point: 305.3 K (32.2 °C), 4.9 MPa Std enthalpy change of fusion, Δ fus H o: 9.76 kJ/mol at −182 °C
Ethane (US: / ˈ ɛ θ eɪ n / ETH-ayn, UK: / ˈ iː θ eɪ n / EE-thayn) is a naturally occurring organic chemical compound with chemical formula C 2 H 6. At standard temperature and pressure, ethane is a colorless, odorless gas. Like many hydrocarbons, ethane is isolated on an industrial scale from natural gas and as a petrochemical by ...
Reeling from shocks delivered by the Trump administration last week, European leaders held emergency talks in Paris on Monday as US and Russian officials prepare to meet in Saudi Arabia to discuss ...
News Live is a 24-hour Indian Assamese-language satellite news channel broadcasting news, current affairs and infotainment programmes. It is owned by Pride East Entertainments Pvt Ltd, a Guwahati based media group whose majority stake is owned by Riniki Bhuyan Sarma , [ 2 ] [ 3 ] wife of Assam Chief Minister Himanta Biswa Sarma . [ 4 ]
Under pressure from the bioethanol lobby, [8] production of MTBE in the U.S. peaked in 1999 at 260,000 barrels per day [12] before dropping down due to environmental and health concerrns to about 50,000 barrels per day and holding steady, [13] mostly for the export market.