2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Txoj Kev Tiv Thaiv - Ib qho kev ncua yog qhov sib xyaw ua ke, nyob rau hauv uas cov kuab tshuaj zoo li qee zaum tom qab lawv cov lus qhia tawm ntawm cov txheej txheem zoo li hnyav. … Cov kev daws teeb meem tiag tiag yog li tsis txhob nthuav tawm Tyndall cawv, vim tias cov khoom tsis loj txaus los cuam tshuam qhov teeb meem ntawm nws.
Puas tshem tawm cov nyhuv Tyndall?
Cov nyhuv Tyndall yog qhov tawg ntawm lub teeb pom kev los ntawm cov khoom colloidal. … Kev ncua yuav tawg lub teeb, tab sis yog tias tus naj npawb ntawm cov khoom raug tshem tawm loj txaus, qhov kev ncua yuav tsuas yog opaque thiab lub teeb tawg yuav tsis tshwm sim.
Yuav ua li cas Tyndall tsis pom?
Tyndall cov nyhuv feem ntau yog siv rau cov khoom sib xyaw colloidal thiab qee qhov kev ncua uas muaj qhov loj ntawm cov khoom nyob ze ntawm cov khoom zoo tagnrho. Txawm li cas los xij, cov nyhuv Tyndall tsis pom nyob rau hauv muaj tseeb dawsvim txoj kab uas hla ntawm cov khoom me me thiab yog li tsis tuaj yeem tawg lub teeb ntawm qhov ntsuas tseem ceeb.
Nyob rau hauv qhov kev daws teeb meem Tyndall tau pom?
Lub teeb ci poob rau ntawm cov khoom thiab tau tawg mus. Qhov kev tawg no ua rau txoj kev ntawm qhov teeb meem pom pom. Yog li, qhov kev xaiv raug yog D, cov nyhuv tyndall yog qhia los ntawm colloidal tov.
Puas yog Tyndall cuam tshuam pom hauv colloids?
Cov nyhuv Tyndall yog qhov tshwm sim uas cov khoom hauv lub colloid tawg rau cov kab teeb ntawm lub teebuas yog qhia rau lawv. Cov nyhuv no tau nthuav tawm los ntawm tag nrho cov kev daws teeb meem colloidal thiab qee qhov kev ncua zoo heev. Yog li, nws tuaj yeem siv los txheeb xyuas yog tias cov tshuaj tau muab yog colloid.
Pom zoo:
Thaum twg tsis pom kev tshwm sim hauv kev sim tshuaj?
Kev tsis pom kev tshwm sim thaum 'dig muag' raug tshem tawm, thiab cov neeg tshawb nrhiav thiab/lossis cov neeg koom tau raug ceeb toom tias qhov kev kho mob twg tus neeg koom tau txais. Kev tsis pom kev txhais li cas hauv kev sim tshuaj?
Thaum twg qhov kev rov tshwm sim tshwm sim?
Thaum Replevin tuaj yeem thov Li no, qhov no yog qhov xwm txheej tshwm sim ntau tshaj plaws uas yuav tshwm sim thaum tus neeg siv khoom tsis raug them nyiaj qiv tsheb. Kev ua txhaum cai ntawm kev thaj yeeb nyab xeeb yog me ntsis luv luv. Nws tsis suav nrog kev txeeb tsheb yam tsis tau ceeb toom lossis kub xov tooj kom tsav tsheb mus.
Puas kev sib raug zoo tshwm sim ntawm ncua sij hawm?
Yog tias koj hloov koj txoj kev sib raug zoo mus rau Ib Leeg, Sib nrauj lossis tshem tawm tag nrho, tsis muaj dab tsi tshwm sim hauv koj lub sijhawmlossis hauv Xov Xwm Pub. Yog tias koj hloov koj txoj kev sib raug zoo rau Hauv Kev Sib Raug Zoo, txhua tus uas tuaj yeem pom koj txoj kev sib raug zoo yuav tuaj yeem pom nws ntawm koj lub sijhawm thiab hauv Xov Xwm Pub.
Qhov kev tshwm sim hauv lub neej tseem ceeb ntawm kev ntsuas kev ntsuas kev sib raug zoo twg muaj tus lej ntau tshaj?
Qhov kev tshwm sim ntawm qib siab tshaj yog tuag ntawm tus txij nkawm(nrog tus nqi nruab nrab ntawm 100), txheeb ze rau kev sib yuav, nrog tus nqi nruab nrab ntawm 50, thiab, piv txwv, kev tuag ntawm tus phooj ywg ze, uas tau qhab nia 37. Qhov xwm txheej tseem ceeb ntawm lub neej ntawm Kev Hloov Kho Kev Ntsuas Kev Ntsuas Qhov Ntsuas puas muaj cov lej hloov pauv lub neej ntau tshaj?
Yuav ua li cas txiav txim siab seb qhov kev tshwm sim yog tshwm sim los yog tsis ua raws li txoj cai?
Kev sib xyaw ua lej ntawm kev hloov pauv enthalpy thiab hloov pauv hloov pauv tso cai rau kev hloov pauv ntawm lub zog dawb los suav. A tawm tsam nrog tus nqi tsis zoo rau ΔG tso tawm lub zog dawb thiab yog li nws tus kheej. Cov tshuaj tiv thaiv nrog qhov zoo ΔG yog tsis ua raws li kev xav thiab yuav tsis nyiam cov khoom.
