: qhov kub ntawm cov kua ua kua tshwj xeeb: qhov kub ntawm cov kua thiab cov khoom hauv lub xeev ntawm cov khoom nyob rau hauv qhov sib npaug ntawm atmospheric siab: melting point qhov khov ntawm dej yog 0 ° C los yog 32° Fahrenheit. Ntau los ntawm Merriam-Webster ntawm qhov chaw khov.
Lub ntsiab lus khov kho yooj yim txhais li cas?
Definition. Qhov chaw khov yog qhov kub ntawm cov kua ua kua ntawm qhov qub atmospheric siab. Xwb, lub melting point yog qhov kub thiab txias ntawm cov khoom ua kua ntawm ib txwm atmospheric siab.
Lub ntsiab lus ntawm saum toj no qhov dej khov yog dab tsi?
Qib khov, lossis 0 ° C (zero-degree) isotherm, sawv cev rau qhov siab uas qhov kub ntawm 0 ° C (qhov dej khov ntawm dej) hauv qhov chaw dawb (piv txwv li tso cai rau kev xav ntawm lub hnub. los ntawm snow, thiab lwm yam). … Nyob saum qhov chaw khov kho, qhov kub ntawm huab cua yog qis dua khov.
Ib qho chaw khov li cas?
noun Physical Chemistry. Qhov kub ntawm cov kua dej khov: Cov dej khov yog32 ° F, 0 ° C.
piv txwv ntawm qhov khov nab kuab yog dab tsi?
Ib qho piv txwv ntawm qhov tshwm sim hauv lub neej niaj hnub no yog ntsev ntawm txoj kev hauv dej. Cov dej ntshiab khov ntawm 0 ° C. Txawm li cas los xij, los ntawm kev sib xyaw ntsev hauv qhov chaw khov ntawm qhov sib xyaw ntawm cov dej thiab ntsev yuav poob zoo hauv qab xoom. Qhov no yog vim li cas ntsevsiv los ua kom txoj kev tsis muaj dej khov.
