Qhov sib txawv tseem ceeb ntawm qhov tsis hloov pauv thiab tsis hloov pauv yog tias cov tshuaj tsis hloov pauv muaj qhov nyiam ua rau vaporize thaum cov khoom tsis muaj hluav taws xob tsis muaj qhov xav tau vaporize.
Kev hloov pauv los ntawm theem ua kua mus rau theem gaseous tuaj yeem tshwm sim hauv ntau txoj hauv kev xws li evaporation lossis vaporization ntawm qhov kub kub. Evaporation yog tus txheej txheem ntawm kev hloov cov kua rau hauv nws lub vapor theem. Cov khoom uas tuaj yeem ua rau qhov vaporization yooj yim yog "cov khoom tsis zoo". Yog li ntawd, lo lus volatile yog hais txog lub peev xwm hloov mus rau theem vapor. Nyob rau hauv sib piv, cov khoom uas tsis yog-volatile yog cov opposite ntawm cov volatile yam.
Vim yog dab tsi?
Volatility yog qhov nyiam ntawm cov khoom rau vaporize. Cov tshuaj tsis muaj zog muaj peev xwm nkag mus rau theem vapor. Qhov no yuav tshwm sim thaum cua sov lossis tsis muaj cua sov. Volatility thiab vapor siab ntawm ib yam khoom muaj feem xyuam rau ib leeg. Yog tias qhov volatility siab, lub vapor siab kuj siab. Ntawm qhov tod tes, yog tias qhov volatility tsawg, ces qhov vapor siab yog qis.
Daim duab 01: Vapor Siab ntawm cov Cheebtsam sib txawv ntawm qhov sib txawv ntawm qhov kub thiab txias, uas txiav txim siab qhov hloov pauv ntawm cov tshuaj no.
Ib txwm ua kua yog volatile. Lawv nyiam mus rau theem vapor sai heev. Piv txwv li, acetone, hexane, chloroform yog cov kua dej tsis haum, uas evaporates sai heev. Ntxiv mus, muaj qee cov khib nyiab uas tuaj yeem mus ncaj qha mus rau theem vapor yam tsis tau mus rau theem ua kua. Peb hu qhov no sublimation.
Dab tsi yog qhov tsis hloov pauv?
Nonvolatile substances yog cov khoom uas tsis vaporize sai. Lawv tsis muaj vapor siab dua ntawm chav tsev kub thiab siab. Tsis tas li ntawd, cov khoom uas tsis muaj hluav taws xob feem ntau yuav muaj nyob hauv cov khoom hauv chav tsev kub. Piv txwv li, sodium chloride, silver nitrate yog cov tsis muaj tshuaj lom.
Daim duab 02: Mercury yog cov kua dej tsis hloov pauv
Ntxiv mus, thaum cov tshuaj tsis muaj hluav taws xob sib xyaw nrog cov kua dej tsis haum xws li dej, nws yooj yim cais lawv los ntawm evaporation. Tom qab ntawd cov kua tsis hloov pauv yuav evaporate tawm hauv cov khoom tsis muaj hluav taws xob nyob hauv qab ntawm lub thawv.
Dab tsi yog qhov txawv ntawm Volatile thiab Nonvolatile?
Ob nqe lus tsis hloov pauv thiab tsis hloov pauv muaj lub ntsiab lus sib txawv. Yog li ntawd, qhov sib txawv tseem ceeb ntawm volatile thiab nonvolatile yog tias cov tshuaj volatile muaj ib tug nyiam vaporize whereas cov nonvolatile tshuaj tsis muaj ib tug nyiam vaporize. Ntxiv mus, cov khoom tsis hloov pauv muaj lub siab vapor siab nyob rau hauv chav tsev kub thiab siab thaum cov khoom tsis muaj hluav taws xob muaj qhov tsis tshua muaj vapor siab piv. Lwm qhov sib txawv ntawm volatile thiab nonvolatile yog tias thaum peb tshav kub los yog khaws cov kua volatile nyob rau hauv ib lub thawv qhib, qhov ntim ntawm nws txo qis whereas qhov no tsis tshwm sim nrog nonvolatile kua.
Cov hauv qab no nthuav tawm cov ncauj lus kom ntxaws ntxiv ntawm qhov sib txawv ntawm cov tshuaj tsis hloov pauv thiab tsis hloov pauv.
Summary – Volatile vs Nonvolatile
Nyob rau hauv cov ntsiab lus, volatile thiab nonvolatile yog ob nqe lus piav qhia lub peev xwm ntawm ib yam khoom mus rau vaporization yooj yim ntawm qhov kub thiab txias thiab siab. Yog li ntawd, qhov sib txawv tseem ceeb ntawm volatile thiab nonvolatile yog tias cov tshuaj volatile muaj ib tug nyiam vaporize whereas cov nonvolatile tshuaj tsis muaj ib tug nyiam vaporize.
