Reversible vs Irreversible
Kev thim rov qab thiab hloov tsis tau yog hom tshuaj lom neeg uas tshwm sim hauv thiab ib puag ncig peb hauv peb lub neej niaj hnub. Nws tau ntseeg ua ntej tias tag nrho cov tshuaj tiv thaiv tsis tuaj yeem rov qab mus txog thaum Fabkis tus kws tshawb fawb Berthollet tau ua pov thawj tias qee cov tshuaj tiv thaiv rov qab tau. Muaj ntau qhov sib txawv ntawm cov tshuaj tiv thaiv tsis tau rov qab thiab tsis rov qab los uas yuav tau hais qhia hauv kab lus no.
Cov tshuaj tiv thaiv tshuaj yog sawv cev nrog kev pab ntawm cov tshuaj sib npaug uas muaj ib qho xub nyob nruab nrab uas qhia peb seb cov tshuaj tiv thaiv puas rov qab los yog rov qab tsis tau. (→) yog txoj kev uas tsis muaj kev cuam tshuam rov qab los yog sawv cev thaum (↔) yog qhov kos npe ntawm cov tshuaj tiv thaiv uas qhia peb tias cov tshuaj tiv thaiv rov qab tau. Cov tshuaj tiv thaiv ntawm ob yam khoom uas ua rau cov khoom tshiab thiab tsis tuaj yeem hloov rov qab rau hauv cov khoom qub yog hu ua irreversible reactions thaum cov tshuaj tiv thaiv uas cov khoom kawg tuaj yeem hloov mus rau cov khoom qub nyob rau sab laug ntawm cov tshuaj sib npaug yog hu ua cov tshuaj tiv thaiv rov qab.
Thaum koj ua pa sab hauv lub qhov rais iav thaum nws txias sab nraum, ib qho pos huab tshwm. Qhov no tsis muaj dab tsi tab sis condensed dej vapor uas evaporates tom qab qee lub sijhawm ntawm nws tus kheej. Yog li nws yog tus txheej txheem thim rov qab. Thaum koj sib tov ntsev los yog qab zib hauv dej, ib qho kev daws teeb meem uas txawv ntawm dej thiab qab zib, tab sis thaum koj sov cov tshuaj kom cov dej evaporates, koj tuaj yeem rov qab qab zib los yog ntsev yog li ua pov thawj tias cov tshuaj tiv thaiv rov qab thiab koj tuaj yeem ua tau. tau rov qab cov khoom qub ntawm cov tshuaj tiv thaiv.
Rusting ntawm koj lub tsheb hlau nplaum yog ib qho piv txwv ntawm cov tshuaj tiv thaiv tsis tuaj yeem yog cov khoom tshiab uas yog cov hlau oxide tsim thiab koj tsis tuaj yeem rov qab cov khoom qub ntawm cov tshuaj tiv thaiv. Ib yam li thaum koj hlawv ib daim ntawv, koj tshuav cov tshauv thiab cov pa taws uas txawv ntawm daim ntawv thiab koj tsis tuaj yeem rov qab tau cov khoom qub uas yog ntawv. Qhov no yog li no ib qho irreversible tshwm sim.
In luv:
Qhov Sib Txawv Ntawm Kev Rov Qab Los thiab Tsis Tau
• Hauv cov tshuaj tiv thaiv rov qab, cov tshuaj reactants tuaj yeem tsim cov khoom tshiab tab sis koj tuaj yeem tau rov qab cov khoom qub lossis cov tshuaj reactants. Ntawm qhov tod tes, nyob rau hauv cov ntaub ntawv ntawm irreversible tshwm sim, nws yog tsis yooj yim sua kom rov qab mus rau qub reactants.
• Hauv kev rov qab los, cov kev hloov pauv tau maj mam dhau los ntawm cov kauj ruam nruab nrab uas lub kaw lus nyob rau hauv lub xeev sib npaug thaum tsis muaj qhov sib npaug hauv qhov xwm txheej ntawm qhov kev xav tsis zoo.
