Cov tebchaw puas tuaj yeem tawg los ntawm kev siv tshuaj?
Cov tebchaw puas tuaj yeem tawg los ntawm kev siv tshuaj?

Video: Cov tebchaw puas tuaj yeem tawg los ntawm kev siv tshuaj?

Video: Cov tebchaw puas tuaj yeem tawg los ntawm kev siv tshuaj?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

A compound yog ib yam khoom ntshiab uas muaj ob los sis ntau dua atoms sib txawv tshuaj ua tsaug rau ib leeg. A compound tau raug puas tsuaj los ntawm tshuaj txhais tau tias . Tej zaum nws yuav yog tawg ua yooj yim dua tshuaj sib xyaw , nyob rau hauv nws cov ntsiab lus los yog ib tug ua ke ntawm ob.

Yog li ntawd, ib qho kev sib xyaw puas tuaj yeem tawg los ntawm lub cev?

Cov ntsiab lus tsis tuaj yeem ua tau tawg rau hauv txhua yam yooj yim lub cev los yog tshuaj. Cov tshuaj : yog cov khoom ntshiab uas tsim los ntawm ntau tshaj li hom atom thiab ua tau ua tawg los yog decomposed rau hauv nws tus kheej cov ntsiab lus los ntawm chemical txoj kev , tab sis tsis tuaj yeem sib cais los ntawm txoj kev siv lub cev.

Ib yam li ntawd, cov tebchaw puas tuaj yeem tawg los ntawm kev pom? Cov tshuaj ntshiab yog ntxiv tawg hauv cov ntsiab lus thiab tshuaj sib xyaw . Mixtures yog lub cev sib xyaw ua ke uas ua tau muab cais rau hauv lawv cov khoom qub. Ntau yam kev sib cais muaj nyob rau hauv thiaj li yuav cais cov teeb meem, suav nrog suav nrog distillation, lim , evaporation thiab chromatography.

Ntawm no, yam khoom twg tuaj yeem tawg los ntawm kev siv tshuaj?

Magnesium Methanol yog qhov sib xyaw ua ke ntawm carbon, hydrogen, thiab oxygen. Cov tshuaj tuaj yeem tawg nyob rau hauv lawv cov componenets los ntawm tshuaj txhais tau tias . Lwm qhov kev xaiv yog cov ntsiab lus. Hauv lwm qhov kev xaiv thawj yam khoom yog ib qho compound thiab qhov thib ob yam khoom yog ib yam.

Ua li cas koj rhuav tshem cov tshuaj lom neeg?

Cov tshuaj tuaj yeem tawg sib nrug hauv tshuaj cov tshuaj tiv thaiv hu ua decomposition reactions. Piv txwv li, dej tuaj yeem tawg nqes rau hauv cov ntsiab lus diatomic hydrogen gas thiab oxygen gas hauv a tshuaj cov tshuaj tiv thaiv hu ua electrolysis. Sodium chloride kuj tuaj yeem tawg nqes mus rau hauv lub ntsiab lus sodium thiab chlorine gas los ntawm electrolysis.

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