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This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison.
The concentration of HCFC-142b in the atmosphere grew to over 20 parts per trillion by year 2010. [10] It has an ozone depletion potential (ODP) of 0.07. [ 11 ] This is low compared to the ODP=1 of trichlorofluoromethane (CFC-11, R-11), which also grew about ten times more abundant in the atmosphere by year 1985 (prior to introduction of HCFC ...
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 ...
The data on exchange rate for Japanese Yen is in per 100 Yen. The end year rate for 1998–99 pertain to March 26, 1999 of Deutsche Mark rate. Data from 1971 to 1991–92 are based on official exchange rates. Data from 1992 to 1993 onward are based on FEDAI (Foreign Exchange Dealers' Association of India) indicative rates.
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.
Specific energy is energy per unit mass, which is used to describe the chemical energy content of a fuel, expressed in SI units as joule per kilogram (J/kg) or equivalent units. [1] Energy density is the amount of chemical energy per unit volume of the fuel, expressed in SI units as joule per litre (J/L) or equivalent units. [2]
In June 1997, India declared its stock of chemical weapons of 1,044 tonnes (1,151 short tons) of mustard gas. [ 57 ] [ 58 ] By the end of 2006, India had destroyed more than 75 percent of its chemical weapons/material stockpile and was granted extension for destroying the remaining stocks by April 2009 and was expected to achieve 100 percent ...
Price per million BTU of oil and natural gas in the US, 1998-2015. Natural gas prices, as with other commodity prices, are mainly driven by supply and demand fundamentals. However, natural gas prices may also be linked to the price of crude oil and petroleum products, especially in continental Europe.