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Meetane

Ass Wikipedia.
Meetane
Stoo kemmigaghsorçh d'unnid kemmigagh
Glout co-vreneenagh16.031 Da
Fowder ny ynlaghteyrAlessandro Volta (en) Translate
Date feddynys ny ynlee1777
Feddynit 'sy takson
Currymgas ribbey çhiass as jantagh jee-ocsaidaghey
Strughtoor kemmigagh
Formley kemmigaghCH4
SMILES canoanagh
InChITuarastyl 3D
Troyn
Glooid0.717 kg/m³ (ec 0 °C, gas)
422.36 kg/m³ (ec −161.6 °C, ushlaght) Edit the value on Wikidata
Bieauid sheean1,337 m/s (−161.5 °C, ushlaght)
450 m/s (27 °C, gas) Edit the value on Wikidata
Moment lectragh daa-phoullagh0 D
Poynt-lheie−182.49 °C
−182.46 °C Edit the value on Wikidata
Poynt-broie111.4 K (ec 1 atm)
−161 °C (ec 101 Pa)
−161.48 °C (ec 101.325 kPa) Edit the value on Wikidata
Entroapaght voleagh stundayrtit186.3 J/(mol K)
Enthalpaght stundayrtit y chrooaght−74,520 J/mol
Enthalpaght lostey−890.3 kJ/mol
Gaue
Tempreilys hene-lossee537.8 °C
Cummys çhiow ny Cruinney28 as 84
NFPA 704
4
2
0
SA
Edit the value on Wikidata
Jallooagyn GHS
Aileagh
Elley
neughaahoilid as neusoaralid

Ta meetane, ny mettane keayrtyn, çheet er y cho-vunstoo lesh y formley kemmigagh CH4 (un vreneen jeh'n charboan ta kianglt rish kiare breneenyn jeh'n hiddragien). She hiddreed jeh possan 14 t'eh, yn alkane s'oney, as y co-olt smoo jeh'n ghas najooragh. Kyndagh rish palçhys y veetane er y Dowan, t'eh coontit myr conney feer hayrnyssagh. Ansherbee, ta taartyn as stoyral y veetane çheet lesh doolaneyn çhaghnoil kyndagh rish e stayd gassagh fo tempreilys as broo cadjin.

Ta'n meetane najooragh ry-gheddyn fo'n thalloo as fo thoyn ny marrey as t'eh jeant liorish obbraghyn creg-oaylleeagh as bea-oaylleeagh. Ta'n stoyr meetane smoo ry-gheddyn fo thoyn ny marrey 'sy chummey clatraid veetane. Tra ta meetane roshtyn yn eaghtyr as yn aeraght, t'eh enmyssit meetane aeraghtagh.[1]

Ta co-ghlooaghey meetane aeraghtagh y Dowan er ny vishaghey er mysh 160& veih'n vlein 1750, as she lesh jannooyn deiney yn freggyrtys jeh'n chooid smoo jeh'n vishaghey shen.[2] T'eh jannoo seose 20% jeh eginaghey emshyraght voish dagh fer jeh ny gassyn ribbey çhiass foddey beayn as down-vestit, rere tuarastyl Phanel Eddyr-reiltyssagh bentyn da Caghlaa Emshyraght.[3] Foddee injillaghyn lajer, tappee as beayn ayns cur magh y veetane cur caghliagh er y çhiow giare-hiarrymagh as cur rish shareaghey foays yn aer rere leodaghey yn osoan eaghtyragh dowanagh.[4]

Ta meetane er ny ve feddynit magh er planaidyn elley, goaill stiagh Mart.[5]

Meetane

Imraaghyn[reagh | edit source]

  1. "Non-Co2 Greenhouse Gases in the Atmosphere" (1999). Annual Review of Energy and the Environment. Ym-lioar 24: 645–661. doi:10.1146/annurev.energy.24.1.645. 
  2. "Global Methane Assessment" (PDF). United Nations Environment Programme and Climate and Clean Air Coalition. Nairobi. 2022. dg. 12. Feddynit magh er 15 Mayrnt 2023.
  3. "Climate Change 2021. The Physical Science Basis. Summary for Policymakers. Working Group I contribution to the WGI Sixth Assessment Report of the Intergovernmental Panel on Climate Change". IPCC. Panel Eddyr-reiltyssagh bentyn da Caghlaa Emshyraght. Er ny hashtey veih yn lhieggan bunneydagh er 22 Luanistyn 2021. Feddynit magh er 22 Luanistyn 2021.
  4. IPCC, 2023: Summary for Policymakers. Ayns: Climate Change 2023: Synthesis Report. A Report of the Intergovernmental Panel on Climate Change. Contribution of Working Groups I, II and III to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change [Fwirran Screeuee, H. Lee as J. Romero (lgn.)]. IPCC, Geneva, yn Elveeish, duillag 26, rheynn C.2.3
  5. "Abiotic Methane on Earth" (2013). Reviews of Geophysics. Ym-lioar 51 (2): 276–299. doi:10.1002/rog.20011. Bibcode2013RvGeo..51..276E.