Video: Dab tsi yog qhov txawv ntawm lub cev thiab tshuaj hloov pauv ntawm cov teeb meem?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
A tshuaj hloov tau los ntawm a tshuaj tshuaj tiv thaiv, thaum a hloov lub cev yog thaum teeb meem hloov cov ntawv tab sis tsis yog tshuaj tus kheej. Piv txwv ntawm tshuaj hloov pauv yog hlawv, ua noj, xeb, thiab rotting. Piv txwv ntawm kev hloov ntawm lub cev yog boiling, melting, freezing, thiab shredding.
Tsis tas li ntawd, qhov txawv ntawm lub cev thiab tshuaj hloov pauv yog dab tsi?
Hauv kev hloov tshuaj , lub molecular muaj pes tsawg leeg ntawm ib yam khoom kiag li kev hloov thiab ib qho khoom tshiab raug tsim. Ib co piv txwv ntawm hloov lub cev yog cov dej khov, yaj ntawm cov quav ciab, boiling dej, thiab lwm yam. Hauv kev hloov ntawm lub cev , tsis muaj zog tsim. Hauv kev hloov tshuaj , lub zog yog tsim (kub, lub teeb, suab, thiab lwm yam)
Ib tug kuj yuav nug, qhov txawv ntawm lub cev thiab tshuaj hloov pauv rau cov menyuam yaus yog dab tsi? Hauv kev hloov tshuaj , ib yam khoom tshiab yog tsim, zoo li thaum koj hlawv tswm ciab. Hauv kev hloov ntawm lub cev , tsis muaj cov khoom tshiab tsim, zoo li thaum dej tig mus rau dej khov.
Ib yam li ntawd, kev hloov tshuaj lom neeg yog dab tsi?
Kev hloov tshuaj tshwm sim thaum ib yam khoom sib txuas nrog lwm tus los tsim cov khoom tshiab, hu ua tshuaj synthesis los yog, hloov, tshuaj decomposition rau hauv ob los yog ntau tshaj cov khoom sib txawv. Ib qho piv txwv ntawm a tshuaj hloov yog cov tshuaj tiv thaiv ntawm sodium thiab dej los tsim sodium hydroxide thiab hydrogen.
Qhov twg yog cov khoom siv tshuaj lom neeg?
A chemical khoom yog ib yam ntawm cov khoom khoom uas yuav tshwm sim thaum lub sij hawm, los yog tom qab, a tshuaj tshuaj tiv thaiv; uas yog, txhua yam zoo uas tuaj yeem tsim los ntawm kev hloov cov khoom siv xwb tshuaj tus kheej. Lawv kuj tuaj yeem pab tau los txheeb xyuas cov khoom tsis paub lossis cais lossis ntxuav nws ntawm lwm yam khoom.
Pom zoo:
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