Dej muaj peev xwm ua kom yaj ntau yam molecules tau txais nws lub npe ntawm "universal hnyav ," thiab nws yog lub peev xwm ua rau dej xws li lub neej muaj nuj nqis-sustaining quab yuam.. Nyob rau theem lom neeg, dej lub luag haujlwm ua cov kuab tshuaj pab cov cell thauj thiab siv cov khoom xws li oxygen lossis cov as-ham .
Puas yog kev cog lus thaum khov lub neej txhawb nqa dej?
versatility raws li hnyav. Cohesion yog qhov attraction ntawm dej molecules rau lwm cov molecules los ntawm hydrogen bonding. … Yog hais tias dej tau cog lus thaum khov, dej khov yuav tso rau hauv qab ntawm cov dej loj, cia cov dej hauv lawv khov, ib yam nkaus. Yog li ntawd, feem ntau cov kab mob hauv dej yuav tuag .
dej yog dab tsi thiab yog vim li cas dej thiaj li tseem ceeb rau lub neej teev peb yam dej thiab yuav ua li cas txhua yam muaj txiaj ntsig zoo rau ntau hom tsiaj hauv ntiaj teb?
Cov khoom tseem ceeb ntawm dej yog nws polarity, cohesion, adhesion, nto nro, siab tshwj xeeb kub, thiab evaporative txias. Ib qho dej molecule tau them me ntsis ntawm ob qhov kawg. Qhov no yog vim muaj oxygen ntau dua electronegative dua hydrogen .
Vim li cas dej molecule thiaj tseem ceeb rau cov kab mob?
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 thiab tseem pab thauj cov tshuaj yaj hauv thiab tawm ntawm cov hlwb.
Cov khoom twg ntawm cov dej ua rau nws tsim nyog rau kev thauj mus los hauv cov kab mob eukaryotic?
- Dej tuaj yeem yaj tau ntau yam polar thiab yog li nws yog cov kuab tshuaj zoo. Cov cuab yeej no tso cai rau dej thauj ntau cov kua thiab roj rau kev thauj mus los ntawm cov kab mob eukaryotic loj dua. " Solubility" piav txog lub peev xwm ntawm cov tshuaj kom yaj mus rau hauv cov kuab tshuaj .
Importance of Water and Its Uses
