Puas yog evaporating cov dej khov qhuav yog qhov hloov ntawm lub cev?
Puas yog evaporating cov dej khov qhuav yog qhov hloov ntawm lub cev?

Video: Puas yog evaporating cov dej khov qhuav yog qhov hloov ntawm lub cev?

Video: Puas yog evaporating cov dej khov qhuav yog qhov hloov ntawm lub cev?
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Dej evaporates ntawm 100oC. Sublimation - Qhov no yog qhov tsis tshua muaj hloov lub cev uas tshwm sim los ntawm ib yam khoom mus los ntawm ib tug loj heev kub hloov . Cov txheej txheem no hloov cov khoom rau hauv cov pa roj. Ib qho piv txwv ntawm qhov no yog thaum dej khov qhuav (khov carbon dioxide (yog li ntawd ib qho khoom)) raug rau hauv chav tsev kub.

Ib yam li ntawd, tej zaum koj yuav nug, puas yog cov dej khov qhuav yog tshuaj lom neeg lossis hloov lub cev?

Qhov no yuav tsum yog ib tshuaj hloov , vim hais tias cov khoom tshiab-"fog"-forms." Tiag tiag, dej khov qhuav undergo ib hloov lub cev thaum nws sublimates los ntawm cov khoom mus rau lub xeev gaseous yam tsis muaj thawj melting rau hauv cov kua. Tib cov pa roj carbon dioxide tseem nyob, nws tsuas yog dhau ib theem hloov los ua ib qho tsis muaj xim tsis muaj roj.

Kuj Paub, puas yog cov dej khov qhuav evaporate? Dej khov qhuav hloov ncaj qha los ntawm cov khoom mus rau cov pa roj -sublimation- nyob rau hauv ib txwm atmospheric tej yam kev mob yam tsis mus los ntawm ib tug ntub dej theem. Yog li nws tau txais lub npe " dej khov qhuav ." Raws li txoj cai dav dav, Dej khov qhuav yuav sublimate ntawm tus nqi ntawm tsib mus rau kaum phaus txhua 24 teev nyob rau hauv ib tug raug dej khov hauv siab.

Dhau li ntawm no, evaporation puas hloov lub cev?

Cov evaporation dej yog a hloov lub cev . Thaum dej evaporates , nws kev hloov los ntawm cov kua hauv lub xeev mus rau lub xeev gas, tab sis nws tseem yog dej; nws tsis tau hloov mus rau lwm yam khoom. Piv txwv li, hydrogen burning nyob rau hauv huab cua undergoes a tshuaj hloov nyob rau hauv uas nws yog hloov dua siab tshiab rau hauv dej.

Puas yog sublimation hloov pauv lub cev?

Sublimation yog a hloov lub cev . Thaum cov khoom sublimes, nws kev hloov los ntawm ib tug khoom mus rau ib tug roj yam tsis tau mus txog lub kua theem. Qhov no tsis ua rau a tshuaj hloov , txawm li cas los. Cov dej khov qhuav yog cov pa roj carbon dioxide nyob rau theem khoom.

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