Chav yuav tsim hluav taws kub ntau dua li cov dej kub npau npau vim qhov cub muaj qhov sov so ntau dua li dej vim nws dormant warmth ntawm vaporization. Txawm nyob rau tib qhov kub thiab txias qhov bubbling (boiling) dej ua rau kub hnyiab tsawg dua li chav.
Vim li cas thiaj raug hluav taws kub hnyiab ntau dua?
Chav kov koj cov tawv nqaij, poob rau hauv qhov kub thiab txias - hloov lub zog ntawd rau koj cov tawv nqaij - thiab hloov rov qab mus rau hauv cov kua dej. … Lub zog no tau tso tawm thaum lub sijhawm sib cuag. Yog li ntawd, lub zog los ntawm theem hloov pauv thiab lub zog ntawm cov cua sov tag nrho nkag mus rau hauv koj cov tawv nqaij ib zaug, ua rau kub hnyiab heev.
Vim li cas qhov kub hnyiab ntau yog tshwm sim los ntawm qhov cub ntawm 100c dua li dej ntawm tib qhov kub?
Chav muaj zog ntau duaboiling dej ntawm tib qhov kub xws li 100 degrees celsius. Nws muaj qhov ntxiv latent cua sov ntawm vaporization. Yog li, thaum lub zog poob rau ntawm daim tawv nqaij nws condenses thiab tsim dej 22.5 × 105J ib kg uas ua rau kub ntau tshaj li boiling dej nyob rau tib lub kub.
Puas kub kub hnyav heev?
Thaum cov kub hnyiab no tsis zoo li kev puas tsuaj, nws tseem ceeb heev uas koj tsis txhob kwv yees qhov kub hnyiab. Txawm hais tias nws tsuas yog cua kub xwb, chav tseem tuaj yeem nkag mus rau ntawm daim tawv nqaij txheej txheej. Kev hla dhau txheej txheej no tuaj yeem ua rau koj muaj kev kub nyhiab heev rau cov khaubncaws sab nraud povtseg ntawm koj daim tawv nqaij.
Lub qhov cub kub ntev npaum li cas?
mob me me feem ntau yuav siv ncig ib asthiv lossis ob kom kho tau zoo thiab feem ntau tsis ua rau caws pliav. Lub hom phiaj ntawm kev kho mob kub hnyiab yog txhawm rau txo qhov mob, tiv thaiv kab mob, thiab kho cov tawv nqaij sai dua.
