Video: Cov tshuaj tiv thaiv dab tsi yog melting?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Melting dej khov tsis yog tshuaj lom neeg tshuaj tiv thaiv , tab sis yog kev hloov ntawm lub cev. Thaum dej khov yaj , nws undergoes ib theem hloov ntawm cov khoom mus rau cov kua vim qhov ntxiv
Ua raws li qhov kev pom no, hom tshuaj tiv thaiv dab tsi yog dej khov yaj?
endothermic
Tom qab ntawd, lo lus nug yog, yog ntsev melting dej khov yog tshuaj tiv thaiv? Ntsev tsis yog ua dej khov . Yog lawm, tsis muaj kiag li yaj mus rau. Hloov chaw, ntsev tsim ib tshuaj tiv thaiv sab hauv dej khov.
Tsis tas li ntawd, dab tsi cov tshuaj tiv thaiv yog decomposition?
A decomposition tshuaj yog a hom ntawm chemical tshuaj tiv thaiv nyob rau hauv uas ib tug reactant yields ob los yog ntau tshaj cov khoom. Cov tshuaj tiv thaiv decomposition tseem hu ua kev tsom xam cov tshuaj tiv thaiv los yog tshuaj lom neeg tawg. Qhov ntxeev ntawm qhov no hom tshuaj tiv thaiv yog ib tug synthesis, nyob rau hauv uas yooj yim reactants ua ke los ua ib tug complex khoom.
Puas yog melting butter hloov tshuaj?
Melting feem ntau suav hais tias yog lub cev hloov tshwj xeeb tshaj yog nyob rau hauv cov piv txwv zoo li no qhov twg ib tug khov yaj mus ua kua. Ib tug tsis ua li no thaum melting butter thiab yog li ntawd melting butter tsis yog a tshuaj hloov.
Pom zoo:
Vim li cas cov tshuaj tiv thaiv kev zom zaub mov hu ua hydrolysis cov tshuaj tiv thaiv?
Thaum lub sij hawm zom mov, piv txwv li, decompositionreactions zom cov zaub mov loj rau hauv cov me me los ntawm kev ntxiv cov dej molecules. Hom tshuaj no hu ua hydrolysis. Raws li dej absorbs heatenergy, qee lub zog yog siv los rhuav tshem hydrogenbonds
Lub npe rau ib yam khoom tsim nyob rau hauv cov tshuaj tiv thaiv tshuaj yog dab tsi?
Cov tshuaj tiv thaiv tshuaj yog cov txheej txheem uas cov atoms tam sim no nyob rau hauv cov tshuaj pib rov ua kom muab cov tshuaj sib xyaw tshiab tam sim no hauv cov tshuaj tsim los ntawm cov tshuaj tiv thaiv. Cov tshuaj pib ntawm cov tshuaj tiv thaiv tshuaj hu ua reactants, thiab cov tshuaj tshiab uas tshwm sim hu ua cov khoom
Yam dab tsi tuaj yeem hloov pauv yog tias koj xav nce tus nqi ntawm cov tshuaj tiv thaiv tshuaj?
Cov yam ntxwv uas cuam tshuam rau cov tshuaj tiv thaiv yog: thaj tsam ntawm cov khoom reactant. concentration los yog siab ntawm ib tug reactant. kub. xwm ntawm cov reactants. muaj/tsis muaj catalyst
Cov tshuaj tiv thaiv dab tsi yog qhov tshuaj tiv thaiv neutralization?
Neutralization yog ib hom tshuaj tiv thaiv nyob rau hauv uas muaj zog acid thiab muaj zog puag react nrog ib leeg los tsim dej thiab ntsev
Dab tsi yog tshuaj lom neeg cov tshuaj tiv thaiv thiab cov tshuaj tiv thaiv lub cev?
Qhov sib txawv ntawm cov tshuaj tiv thaiv lub cev thiab cov tshuaj tiv thaiv tshuaj yog muaj pes tsawg leeg. Hauv cov tshuaj tiv thaiv tshuaj, muaj kev hloov pauv ntawm cov tshuaj hauv nqe lus nug; nyob rau hauv ib qho kev hloov ntawm lub cev muaj qhov sib txawv ntawm qhov tsos, tsis hnov tsw, los yog cov duab yooj yim ntawm cov qauv ntawm cov teeb meem yam tsis muaj kev hloov pauv hauv cov ntsiab lus