Cov tshuaj tiv thaiv dab tsi yog melting?
Cov tshuaj tiv thaiv dab tsi yog melting?

Video: Cov tshuaj tiv thaiv dab tsi yog melting?

Video: Cov tshuaj tiv thaiv dab tsi yog melting?
Video: Dab tsi yog qhov tseeb txog cov tshuaj tiv thaiv COVID-19? 2024, Kaum ib hlis
Anonim

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: