zuwa nassi da ke ƙasa sannan a amsa tambayar daga baya a cikin harshe ɗaya kamar nassi: Passage: 2 H2 ((g) + O2 ((g) → 2 H2O ((l) + 572 kJ (286 kJ / mol) Gas na hydrogen yana haifar da haɗarin haɗari tare da iska a cikin maida hankali daga 4<unk>74% da kuma tare da chlorine a 5<unk>95%. Ana iya haifar da halayen fashewa ta hanyar walƙiya, zafi, ko hasken rana. Yanayin zafin jiki na hydrogen autoignition, yanayin zafin jiki na ƙonewa a cikin iska, shine 500 ° C (932 ° F). Ruwan hydrogen-oxygen mai tsabta yana fitar da hasken ultraviolet kuma tare da haɗarin oxygen mai yawa kusan ganuwa ne ga ido mara kyau, kamar yadda aka nuna ta da fuka-fuki mai haske na Space Shuttle Main Engine, idan aka kwatanta da fuka-fuki mai haske na Space Shuttle Rocket, wanda ke amfani da ammonium perchlorate.
500 °C (932 °F)