Video: Yog vim li cas siv ib tug stirring qws?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
stirring rods yog siv kom decant los yog ncuav dej maj mam. Siv cov sib rod kom decant kua ua rau nws yooj yim rau khaws ib tug precipitate nyob rau hauv qab ntawm lub beaker, vim hais tias cov kua yog pours ntau maj mam, txo qhov muaj feem ntawm nws agitating cov khoom.
Ib yam li ntawd, koj tuaj yeem nug, dab tsi yog qhov ua haujlwm ntawm tus pas nrig nplawm?
Ib khob stirring qws , iav rod , stirring qws los yog sib rod yog ib qho khoom siv hauv chav kuaj siv los sib tov tshuaj. Lawv feem ntau yog ua los ntawm cov iav khov, txog lub thickness thiab me ntsis ntev tshaj li ib tug haus straw, nrog rounded xaus.
Ib yam li ntawd, yog vim li cas nws thiaj li yuav tsum tau ntxuav cov tshuaj tawm ntawm tus pas nrig nplawm rau hauv lub beaker? Txhawm rau kom nrawm nrawm ntawm sodium carbonate, thiab tiv thaiv kev tsim cov pob txha ntawm cov khoom. (iii) Yog vim li cas thiaj li yuav tsum tau ntxuav cov tshuaj tawm ntawm tus pas nrig nplawm rau hauv lub beaker ? Kom paub meej tias tag nrho cov sodium carbonate daws yog pauv mus rau lub hwj chim volumetric.
Ib tug kuj nug, vim li cas nws tseem ceeb heev uas yuav tsum siv lub khob dov es tsis txhob siv hlau?
stirring rods yog tseem ceeb vim nplawm ib qho kev daws teeb meem, uas tseem hu ua kev ntxhov siab, ua rau muaj kev tshwm sim sai dua. iav rods kuj yog siv kom kis tau cov khoom ua kua rau ntawm qhov chaw. Nws yog qhov zoo dua rau a hlau rod vim iav tsis yog ib tug zoo conductor ntawm tshav kub thiab hlau yog. Hlau muaj dawb electrons.
Lub hom phiaj ntawm lub khob pas nrig hauv cov kua dej yog dab tsi?
iav rods siv thaum nchuav kua kom tsis txhob nchuav. Thaum a iav rod yog pw tawm tsam cov nchuav ntug ntawm ib tug beaker, nws ua rau lub ua kua sab hauv kom ntws raws rod thiab nqes mus rau hauv lub nkoj txais es tsis txhob txaws hla daim di ncauj.
Pom zoo:
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