Yam dab tsi ntawm cov dej zoo tshaj plaws piav qhia nws lub peev xwm los yaj ntau yam khoom siv?
Yam dab tsi ntawm cov dej zoo tshaj plaws piav qhia nws lub peev xwm los yaj ntau yam khoom siv?

Video: Yam dab tsi ntawm cov dej zoo tshaj plaws piav qhia nws lub peev xwm los yaj ntau yam khoom siv?

Video: Yam dab tsi ntawm cov dej zoo tshaj plaws piav qhia nws lub peev xwm los yaj ntau yam khoom siv?
Video: zoo nyob tag npaum no xoom ceev2 kom phev los tso mam saib seb yog leej twg 2024, Kaum ib hlis
Anonim

Vim yog nws polarity thiab muaj peev xwm tsim hydrogen bonds, dej ua kom cov kuab tshuaj zoo heev, txhais tau tias nws ua tau yaj ntau yam sib txawv hom ntawm molecules.

Ib yam li ntawd, dab tsi ntawm cov dej ua rau nws muaj qhov hnyav?

polarity

Cov cuab yeej dej twg zoo tshaj plaws piav qhia nws lub peev xwm los yaj ntau cov tshuaj thiab dab tsi yog lub ntsiab lus ntawm lo lus no? Cov dej polar xwm txhais tau tias tias nws tuaj yeem ua raws li thiab yaj tag nrho lwm yam tshuaj.

Tom qab ntawd, dab tsi yog cov yam ntxwv ntawm cov kuab tshuaj zoo?

Cov yam ntxwv ntawm qhov zoo Recrystalization Solvent : Lub recrystallization kuab tshuaj Yuav tsum tsis txhob yaj cov tshuaj kom huv ntawm chav tsev kub, tab sis nws yuav tsum yaj nws zoo ntawm qhov cov kuab tshuaj boiling point 2. Lub kuab tshuaj yuav tsum dissolve soluble impurities zoo nyob rau hauv chav tsev kub. 3.

Dab tsi ntawm cov khoom hauv qab no ntawm dej piav qhia nws lub peev xwm ua kom yaj acetic acid?

Lub siab ntom ntom ntawm dej , uas yog vim yog tsim ntawm hydrogen bonds ntawm nyob ib sab dej molecules. Cov muaj peev xwm los ua ib qho tsis, absorbing protons muab los ntawm acetic acid.

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