Vim li cas dej molecule tseem ceeb heev rau cov kab mob?
Vim li cas dej molecule tseem ceeb heev rau cov kab mob?

Video: Vim li cas dej molecule tseem ceeb heev rau cov kab mob?

Video: Vim li cas dej molecule tseem ceeb heev rau cov kab mob?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
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yog vim li cas dej molecule tseem ceeb heev rau cov kab mob ? cov dej ua raws li cov kuab tshuaj rau cov tshuaj tiv thaiv kab mob thiab tseem pab thauj cov tshuaj yaj hauv thiab tawm ntawm lub hlwb. lub npe muab rau kom muaj peev xwm ntawm ib qho kev daws teeb meem aqueous rau neutralize. bing acidic los yog yooj yim daws yuav ua rau lawv mus rau denature.

Kuj nug, vim li cas cov dej molecule tseem ceeb rau cov kab mob?

Dej yog "Universal Solvent" Raws li ib tug polar molecule , dej interacts zoo tshaj plaws nrog rau lwm yam polar molecules , xws li nws tus kheej. Lub cohesion ntawm dej molecules pab cov nroj tsuag noj dej ntawm lawv cov hauv paus hniav. Cohesion kuj pab tau cov dej kub kub taw tes, uas pab tsiaj tswj lub cev kub.

Ib tug kuj yuav nug, vim li cas dej thiaj tseem ceeb rau cov hlwb? Dej yog tseem ceeb rau cov hlwb vim yog tsis muaj nws lawv yuav tsis muaj peev xwm tshem tawm cov khib nyiab, nqa cov as-ham lossis thauj oxygen. Nws pab txhawm rau rhuav tshem cov khoom pov tseg thiab cov khoom noj hauv lub cev cell ua tias lawv tuaj yeem txav mus los ntawm ntau cov membranes thiab cov lim dej hauv lub cev.

Li no, 5 yam dej num uas tseem ceeb rau lub neej yog dab tsi?

Cov khoom tseem ceeb ntawm cov dej yog nws cov polarity, cohesion, adhesion, nto nro, siab tshwj xeeb kub , thiab evaporative txias.

Dab tsi ions tsim thaum dej dissociates?

Kev sib cais dej thiab pH. Ib qho cuab yeej zoo kawg nkaus ntawm cov ntshiab dej yog nws dissociates rau daim ntawv hydrogen ions (H3O+) thiab hydroxide (OH-) ions.

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