Methane | Wikipedia audio article
Channel: Subhajit Sahu
Date: 2018-12-03

This is an audio version of the Wikipedia Article:
Methane


00:00:50 1 History
00:01:37 1.1 Etymology
00:02:48 2 Properties and bonding
00:04:32 3 Chemical reactions
00:05:31 3.1 Acid-base reactions
00:06:38 3.2 Combustion
00:07:03 3.3 Methane Reactions
00:07:16 4 Uses
00:08:32 4.1 Fuel
00:09:06 4.1.1 Natural gas
00:09:33 4.1.2 Liquefied natural gas
00:10:54 4.1.3 Liquid-methane rocket fuel
00:13:19 4.2 Chemical feedstock
00:13:56 5 Generation
00:15:27 5.1 Geological routes
00:15:36 5.2 Biological routes
00:16:58 5.3 Industrial routes
00:17:45 5.3.1 Laboratory synthesis
00:19:32 6 Occurrence
00:19:53 6.1 Alternative sources
00:21:08 6.2 Atmospheric methane
00:22:54 6.3 Clathrates
00:24:03 7 Anaerobic oxidation of methane
00:24:50 8 Safety
00:25:09 9 Extraterrestrial methane
00:26:16 10 See also
00:27:31 11 Notes



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SUMMARY
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Methane (US:  or UK: ) is a chemical compound with the chemical formula CH4 (one atom of carbon and four atoms of hydrogen). It is a group-14 hydride and the simplest alkane, and is the main constituent of natural gas. The relative abundance of methane on Earth makes it an attractive fuel, though capturing and storing it poses challenges due to its gaseous state under normal conditions for temperature and pressure.
Natural methane is found both below ground and under the sea floor. When it reaches the surface and the atmosphere, it is known as atmospheric methane. The Earth's atmospheric methane concentration has increased by about 150% since 1750, and it accounts for 20% of the total radiative forcing from all of the long-lived and globally mixed greenhouse gases.