Kua ib txwm nyiam ntws, vim tias lub zog sib xyaws ntawm cov molecules tsawg dua. Txawm li cas los xij hauv cov khib nyiab, cov ntawv cog lus muaj zog heev thiab tiv thaiv cov molecules los ntawm kev txav mus los. Qhov no ua rau nws yooj yim dua rau cov khib nyiab kom heaped, tsis poob lawv cov duab thiab cov qauv.
Vim li cas thiaj tsis tuaj yeem ua kua lossis cov khoom khib nyiab?
LiquidsEdit
Particles tseem kov thiab tuav los ntawm lub zog ntawm kev nyiam heev. … Vim tias cov khoom tuaj yeem txav tau, cov kua dej tsis muaj qhov tseeb, thiab lawv tuaj yeem ntws tau. Vim cov khoom tseem ntim tau ze ua ke, kua tsis tau yooj yim compressed thiab khaws tib lub ntim.
Vim li cas cov kua tuaj yeem hloov cov duab tab sis tsis khov?
Vim tias cov khoom tsis tuaj yeem txav mus los, cov khoom muaj qhov ruaj khov. Cov kua dej tsis muaj qhov ruaj khov tab sis lawv do muaj qhov ntim ruaj khov. Cov particles nyob ze heev.
Dab tsi yog kua rau khoom?
Freezing, los yog solidification, yog ib theem kev hloov nyob rau hauv uas cov kua hloov mus rau hauv ib qho khoom thaum nws qhov kub thiab txias tau qis dua los yog qis dua nws qhov chaw khov. … Feem ntau cov kua dej khov los ntawm crystallization, tsim cov khoom crystalline los ntawm cov kua sib xws.
Vim li cas cov kua tuaj yeem coj cov duab ntawm nws lub thawv?
Cov khoom hauv cov kua yog nyob ze ua ke, tab sis lawv tsis raug khi rau txoj haujlwm ruaj khov; lawv tuaj yeem swb yav dhau los thiab ib puag ncig. Qhov no ua rau cov kua dej coj cov duab ntawm lawv lub thawv thiab ntws thaum lawv nchuav.
