Thaum cov ntaub ntawv hlau thiab cov hmoov sulfur sib xyaw thiab ua kom sov lawv tau txais cov tshuaj tiv thaiv thiab daim ntawv ferrous sulfide (FeS).
Thaum hlau thiab sulfur rhuab ntawm qhov kub thiab txias uas Xim?
Dub xim FeS yog tsim Thaum Hlau thiab sulfur raug rhuab ntawm qhov kub siab nws tsim ib qho xim dub ferous sulfide tsim. Qhov no yog vim hais tias, thaum lub sij hawm cua sov txheej txheem sulfur melts thiab reacts nrog hlau thiab undergoes exothermic cov tshuaj tiv thaiv los ua hlau los yog ferrous sulphide.
Yuav ua li cas yog sulfur yog cua sov?
Sulphur pib yaj ntawm 115oC. Ntawm 200oC, muaj xim hloov ntawm daj mus rau liab thiab pib boil ntawm 400oC. Ua ntej mus txog qhov kub kub, nws pib vaporize. Thaum nws kub siab tshaj 445oC, nws yuav ignite.
Thaum twg sulfur rhuab nrog hlau filings muaj ib?
Thaum cov hlau ntim tau rhuab nrog sulphur, ib qho chaw hu ua hlau sulfide yog tsim. Lub compound tsim los ntawm cua sov hlau filling nrog sulfur hmoov yog hlau sulfide.
Yuav ua li cas rau hlau thaum cua sov?
Thaum hlau yog cua sov hauv huab cua nws reacts nrog oxygen los tsim cov hlau oxide compoundHlau yog ib qho khoom thiab oxygen yog roj. 5 Kos daim duab qhia seb cov atoms tau teeb tsa li cas hauv hlau, oxygen thiab hlau oxide hauv cov voj voog hauv qab lawv cov npe. … Siv cov lus khoom, roj, atom thiab cov ntsiab lus hauv koj cov lus teb.
