Video: Dab tsi yog cov kuab tshuaj kuab tshuaj thiab kuab tshuaj?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Solutes , cov kuab tshuaj thiab cov kev daws teeb meem
A hnyav yog cov kua uas yaj cov khoom, kua lossis cov pa roj daws . A daws yog ib yam khoom yaj nyob rau hauv lwm yam khoom. A daws thiab a hnyav ua a kev daws teeb meem . Dej yog qhov hnyav thiab ntsev yog daws thiab ua ke lawv ua ntsev (saline) kev daws teeb meem.
Ib yam li ntawd, qhov sib txawv ntawm cov kuab tshuaj thiab cov kuab tshuaj yog dab tsi?
Qhov Sib Txawv Ntawm Kev Txiav Txim thiab Hnyav . A kev daws teeb meem tuaj yeem txhais tau tias yog homogenous sib xyaw ntawm ob lossis ntau yam tshuaj. Yog li hauv kev daws teeb meem , cov khoom uas tau yaj yog daws , qhov chaw hnyav yog cov khoom nyob rau hauv koj e daws yuav yaj.
Tsis tas li ntawd, dab tsi yog qhov hnyav hauv science? A hnyav yog ib feem ntawm kev daws teeb meem uas tam sim no muaj ntau tshaj plaws. Nws yog cov khoom uas lub solute yaj. Feem ntau, a hnyav yog kua.
Ntawm no, dab tsi yog solute thiab hnyav nrog piv txwv?
Cov kuab tshuaj feem ntau yog kua (dej yog feem ntau piv txwv ), tab sis kuj tseem tuaj yeem yog roj lossis khoom tawv. Solutes yog cov khoom uas yaj rau hauv cov kuab tshuaj thiab peb xaus nrog kev daws teeb meem. Ib txhia piv txwv ntawm cov kuab tshuaj yog dej, ethanol, toluene, chloroform, acetone, mis nyuj, thiab lwm yam.
3 hom kev daws teeb meem yog dab tsi?
Muaj peb hom kev daws teeb meem uas tuaj yeem tshwm sim hauv koj lub cev raws li cov ntsiab lus siab: isotonic, hypotonic, thiab hypertonic.
Pom zoo:
Kev daws cov kuab tshuaj thiab kuab tshuaj yog dab tsi?
Ua Kev daws teeb meem Kev daws teeb meem yooj yim yog qhov pib ntawm ob yam tshuaj uas sib xyaw ua ke. Ib tug ntawm lawv yog hu ua lub solute thiab lwm yam yog cov kuab tshuaj. Kev daws yog cov khoom uas yuav tsum tau yaj (qab zib). Cov kuab tshuaj yog tus ua kom yaj (dej)
Puas yog tag nrho cov kuab tshuaj yaj hauv cov kuab tshuaj?
Cov kuab tshuaj thiab cov kuab tshuaj tuaj yeem yog txhua yam teeb meem. Muaj ntau cov kuab tshuaj yaj nyob rau hauv dej vim dej yog ib tug heev polar compound. Ib txoj cai dav dav: zoo li dissolves nyiam. Piv txwv li, cov kuab tshuaj polar yaj cov tshuaj solar polar, thiab cov kuab tshuaj nonpolar yaj cov nonpolar solutes
Dab tsi yog cov tshuaj tiv thaiv kab mob thiab nws txoj haujlwm yog dab tsi?
Cov tshuaj tiv thaiv, tseem hu ua immunoglobulins, yog Y-zoo li cov proteins uas tsim los ntawm lub cev tiv thaiv kab mob los pab tiv thaiv cov neeg nkag los ntawm kev ua phem rau lub cev. Thaum tus neeg nkag mus rau hauv lub cev, lub cev tiv thaiv kab mob pib ua haujlwm. Cov neeg ntxeem tau no, uas hu ua antigens, tuaj yeem yog kab mob, kab mob, lossis lwm yam tshuaj lom neeg
Cov lus cim dab tsi uas tshwm ntawm daim ntawv ntim cov tshuaj thiab daim ntawv txheeb xyuas kev nyab xeeb yog dab tsi?
Tsuas muaj ob lo lus siv los ua cov lus teeb liab, "Danger" thiab "Warning." Hauv cov chav muaj kev phom sij tshwj xeeb, "Kev phom sij" yog siv rau qhov phom sij loj dua thiab "Ceeb Toom" yog siv rau qhov phom sij tsis zoo. Yuav tsuas muaj ib lo lus teeb liab ntawm daim ntawv lo txawm tias muaj pes tsawg tus tshuaj lom neeg yuav muaj
Dab tsi yog qhov sib txawv ntawm cov tshuaj yuav tshuaj thiab cov lus nug ntawm cov tshuaj hauv khw muag tshuaj?
Cov tshuaj yuav yog cov tshuaj uas xav kom kws kho mob sau tseg kom muab faib tawm. Hauv lub txee, cov tshuaj yog cov tshuaj zoo li Advil lossis Tylenol uas koj tsis xav tau kws kho mob sau tseg los yuav. Qhov sib txawv tseem ceeb ntawm ob yog tias koj yuav tsum muaj daim ntawv yuav tshuaj tshuaj yog tias nws yog tshuaj yuav tshuaj