Meetane
 | |
| Stoo kemmigagh | sorçh d'unnid kemmigagh |
|---|---|
| Glout co-vreneenagh | 16.031 Da |
| Fowder ny ynlaghteyr | Alessandro Volta (en)  |
| Date feddynys ny ynlee | 1777 |
| Feddynit 'sy takson | Callyspongia (en) , Callyspongia truncata (en) , Petrosia ficiformis (en) , Petrosia (en) , Petrosia durissima (en) , Dittrichia viscosa (en) , Aspergillus (mul) , Mandragora turcomanica (en) , Mandragora officinarum (en) , Stangeria eriopus (en) , Cycas revoluta (en) , Macrozamia riedlei (en) , Dioon spinulosum (en) , Macrozamia communis (en) , Cycas media (en) , Ceratozamia mexicana (en) , Zamia furfuracea (en) , Eumaeus atala (en) , Zamia integrifolia (en) , Datura inoxia (en) , Datura innoxia (en) , Datura discolor (en) , Elephantopus elatus (en) , Fragaria (en) as Streptomyces catenulae (mul) |
| Currym | gas ribbey çhiass as jantagh jee-ocsaidaghey |
| Strughtoor kemmigagh | |
| Formley kemmigagh | CH4 |
 | |
| SMILES canoanagh | |
| InChI | Tuarastyl 3D |
| Troyn | |
| Glooid | 0.717 kg/m³ (ec 0 °C, gas) 422.36 kg/m³ (ec −161.6 °C, ushlaght)  |
| Bieauid sheean | 1,337 m/s (−161.5 °C, ushlaght) 450 m/s (27 °C, gas) |
| Moment lectragh daa-phoullagh | 0 D |
| Poynt-lheie | −182.49 °C −182.46 °C |
| Poynt-broie | 111.4 K (ec 1 atm) −161 °C (ec 101 Pa) −161.48 °C (ec 101.325 kPa) |
| Entroapaght voleagh stundayrtit | 186.3 J/(mol K) |
| Enthalpaght stundayrtit y chrooaght | −74,520 J/mol |
| Enthalpaght lostey | −890.3 kJ/mol |
| Gaue | |
| Tempreilys hene-lossee | 537.8 °C |
| Cummys çhiow ny Cruinney | 28 as 84 |
| NFPA 704 |  4
2
0
SA
|
| Jallooagyn GHS |  |
| 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]
Imraaghyn
[reagh | edit source]- ↑ "Non-Co2 Greenhouse Gases in the Atmosphere" (1999). Annual Review of Energy and the Environment. Ym-lioar 24: 645–661. doi:.
- ↑ "Global Methane Assessment" (PDF). United Nations Environment Programme and Climate and Clean Air Coalition. Nairobi. 2022. dg. 12. Feddynit magh er 15 Mayrnt 2023.
- ↑ "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.
- ↑ 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
- ↑ "Abiotic Methane on Earth" (2013). Reviews of Geophysics. Ym-lioar 51 (2): 276–299. doi:. Bibcode: 2013RvGeo..51..276E.
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