Yuav nplawm kom nce tus nqi ntawm kev tawg?

Cov txheej txheem:

Yuav nplawm kom nce tus nqi ntawm kev tawg?
Yuav nplawm kom nce tus nqi ntawm kev tawg?
Anonim

Rau cov kuab tshuaj rau hauv cov khoom me me ua rau nws thaj chaw saum npoo thiab nce nws cov tshuaj. Stirring - Nrog cov kua thiab cov kuab tshuaj, nplawm coj cov khoom tshiab ntawm cov kuab tshuaj nyob rau hauv kev sib cuag nrog cov kuab tshuaj. stirring, yog li ntawd, tso cai rau lub solute kom yaj sai.

Puas nplawm cuam tshuam rau tus nqi ntawm kev tawg?

Lub nplawm tso cai rau cov kuab tshuaj tshiab kom txuas ntxiv mus txuas nrog cov kua. … Nws yog ib qho tseem ceeb kom paub tias tsis txhob nplawm los sis rhuav tshem ib qho kev cuam tshuam rau tag nrho cov kua uas yaj. Nws tsuas cuam tshuam tus nqi ntawm kev sib cais.

Yuav ua li cas ua kom nrawm nrawm nrawm?

Txhob Cia Siab. Sib tov cov kuab tshuaj rau hauv cov kuab tshuaj ua kom nrawm nrawm vim nws pab faib cov kuab tshuaj thoob plaws hauv cov kuab tshuaj. Piv txwv li, thaum koj ntxiv qab zib rau cov tshuaj yej iced thiab ces do cov tshuaj yej, cov suab thaj yuav yaj sai dua.

Yuav ua li cas nce tus nqi tawg?

Yog tias koj tab tom sim ua kom yaj cov tshuaj, koj muaj peb txoj hauv kev los ua kom qhov kev sib cais: txo qis qhov me me ntawm cov khoom, nce qhov kub thiab / lossis nce. qhov sib tov los yog nplawm tus nqi.

Yuav ua li cas cuam tshuam tus nqi ntawm kev tawg?

Tus nqi ntawm kev sib cais nyob ntawm thaj chaw saum npoo (cov kuab tshuaj hauv lub xeev), qhov kub thiab txias ntawm qhov sib tov. Ib txhiacov tub ntxhais kawm yuav xav tias kev nplawm yog qhov tsim nyog thiab lub sijhawm ua yeeb yaj kiab tuaj yeem siv los ua kom pom cov crystal dissolving yam tsis tau nplawm.

Pom zoo:

Nthuav cov khoom
Vim li cas cov neeg caij dav hlau yog poj niam?
Nyeem ntxiv

Vim li cas cov neeg caij dav hlau yog poj niam?

Nws yog los ntawm lub sijhawm no uas lub luag haujlwm ntawm tus neeg saib xyuas lub dav hlau pib hloov zuj zus txhawm rau txhawm rau suav nrog kev saib xyuas ntau dua. Raws li qhov tshwm sim, dav hlau tau saib cov poj niam kws saib xyuas neeg mob los saib xyuas cov neeg caij tsheb hauv tsev.

Yog amorphous solids nkig?
Nyeem ntxiv

Yog amorphous solids nkig?

Amorphous khoom, ib yam noncrystalline solid nyob rau hauv uas atoms thiab molecules tsis koom nyob rau hauv ib tug meej lattice qauv. Cov khoom siv xws li iav, yas, thiab gel. Khoom thiab kua yog ob hom condensed teeb meem; ob leeg yog tsim los ntawm atoms nyob ze rau ib leeg.

Cov txuas hniav disulfide ua li cas?
Nyeem ntxiv

Cov txuas hniav disulfide ua li cas?

Disulfide daim ntawv cog lus koom nrog cov tshuaj tiv thaiv ntawm sulfhydryl (SH) sab chains ntawm ob cysteine residues: ib qho S - anion los ntawm ib pawg sulfhydryl ua raws li ib tug nucleophile , tawm tsam sab ntawm cov cysteine thib ob los tsim ib daim ntawv cog lus disulfide, thiab hauv cov txheej txheem tso tawm electrons (txo qhov sib npaug) hloov mus.