Video: Vim li cas qhov loj ntawm magnesium nce thaum nws hnov mob nrog oxygen?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Thaum lub magnesium yog cua sov, tag nrho pawg nce vim magnesium reacts nrog oxygen , tsim magnesium oxide (yog li nws txhawb qhov kev xav). Cov nce loj yog vim oxygen.
Tsis tas li ntawd, thaum magnesium hlawv Vim li cas qhov hnyav nce?
Magnesium yog hnyav thiab ces rhuab nyob rau hauv ib tug crucible. Nws reacts nrog oxygen los tsim cov oxide. Nws tuaj yeem pom tias tau muaj nce hauv pawg . Cov txiaj ntsig tuaj yeem siv los nrhiav cov qauv ntawm magnesium oxide thiab ob txoj kev tau piav qhia rau kev ua li ntawd.
Ib tug kuj yuav nug, dab tsi yuav yog qhov kev hloov ntawm huab hwm coj thaum 10 gram ntawm magnesium yog rhuab nyob rau hauv oxygen? Kev piav qhia: Hauv txhua qhov tshuaj tiv thaiv, pawg yog khaws cia thiab tsis tsim lossis rhuav tshem. Yog li, txawm tias cov pawg ntawm magnesium ribbon yuav txo, qee qhov ntawd pawg tau mus ua magnesium oxide. Cov hloov hauv pawg yog 7 g , uas yog pawg ntawm oxygen uas reacted nrog cov magnesium.
thaum magnesium hlawv hauv huab cua Mass yuav?
Cov ribbon kub hnyiab nrog lub teeb ci dawb. Cov cua kub hnyav kuj tsim nyob rau hauv cov tshuaj tiv thaiv no. Ntawm no, thaum magnesium hlawv , nws reacts nrog oxygen pom nyob rau hauv huab cua los ua hmoov tshauv hu ua magnesium oxide. Chemical Equation: Magnesium ntxiv Oxygen muab Magnesium oxide.
Vim li cas magnesium hnov mob nrog oxygen ntau dua li nitrogen?
Piav tias thaum twg magnesium thiab oxygen cov khoom sib xyaw ua ke, magnesium oxide, muaj qis zog tshaj cov reactants. Tus nqi ntawm cov cua sov yog zoo heev uas tus magnesium ua tau teb nrog nitrogen thiab carbon dioxide ib yam nkaus, uas yog ob qho tib si feem ntau unreactive heev.
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