Video: Dab tsi yog dehydrating agent hauv chemistry?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
A dehydrating tus neeg sawv cev yog ib yam khoom uas qhuav los yog tshem tawm cov dej los ntawm cov khoom. Sulfuric acid, concentrated phosphoric acid, kub aluminium oxide, thiab kub ceramic yog ntau dehydrating agents hauv cov hom no tshuaj cov tshuaj tiv thaiv.
Tsis tas li ntawd, dab tsi yog tus neeg sawv cev lub cev qhuav dej?
A dehydrating tus neeg sawv cev yog ib yam khoom uas qhuav los yog tshem tawm cov dej los ntawm cov khoom. Dehydrating agents xws li sulfuric acid, concentrated phosphoric acid, kub aluminium oxide, thiab kub ceramic yog siv nyob rau hauv cov tshuaj tiv thaiv yog qhov twg lub cev qhuav dej tshwm sim los ntawm reacting molecule poob ib molecule dej.
Tsis tas li ntawd, qhov txawv ntawm tus neeg ua kom qhuav thiab tus neeg ua kom lub cev qhuav dej yog dab tsi? Dehydrating agents tshem tawm cov dej uas yog chemically khi rau ib yam khoom xws li dej ntawm crystallization. Thaum ntawm qhov tod tes a tshuab ziab khaub ncaws tsuas yog tshem tawm cov dej ntau dhau tam sim no hauv a cov khoom uas tsis yog chemically khi rau nws.
Tom qab ntawd, koj yuav txheeb xyuas tus neeg ua kom lub cev qhuav dej li cas?
Dehydrating agent yog ib tus neeg sawv cev uas absorbs dej. Nws yog tam sim no nyob rau hauv lub cev qhuav dej txheej txheem. Qhov ntau Cov tshuaj ua kom lub cev qhuav dej siv nyob rau hauv cov organic synthesis yog sulfuric acid, concentrated phosphoric acid, kub ceramics, kub aluminium oxide. Qhov rov qab ntawm lub cev qhuav dej txheej txheem hu ua hydration.
Cov tshuaj tiv thaiv dab tsi yog lub cev qhuav dej?
Cov tshuaj tiv thaiv lub cev qhuav dej yog ib hom tshuaj tiv thaiv condensation. Thaum lub sij hawm txheej txheem ntawm kev sib xyaw ntawm ob lub tebchaw, a dej molecule raug tshem tawm los ntawm ib qho ntawm cov reactants, tsim ib qho chaw tsis txaus ntseeg.
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