Kev khov tshwm sim ntawm qhov kub ib yam li melting, yog li ntawd, lub melting point thiab khov point ntawm ib yam khoom yog kub tib yam. Lub melting/freezing point ntawm ib yam khoom yog txhais raws li qhov kub thiab txias saum toj no, cov khoom yog kua thiab hauv qab no uas, nws yog solid.
Puas yaj zoo ib yam li khov?
Freezing yog qhov kev hloov pauv uas tshwm sim thaum cov kua hloov mus rau hauv cov khoom raws li qhov kub thiab txias. Melting yog qhov hloov pauv, los ntawm cov khoom mus rau cov kua dej thaum kub nce. … Cov tshuaj khov ntawm qhov kub thiab txias raws li lawv yaj.
Puas yog qhov chaw khov khov sib npaug rau qhov melting?
Qhov chaw khov yog qhov kub uas cov kua hloov mus rau ib qho khoom. Qhov chaw khov ntawm qhov dej - kua - hloov mus rau dej khov - cov khoom - yog 32 ° F (0 ° C). … Lub melting point thiab khov yog tib yam kub rau ib yam khoom: 32 ° F (0 ° C) rau dej.
Puas yog lub melting point thiab khov point ntawm ib yam khoom yog tib yam piv txwv?
Rau ntau yam, melting thiab khov ntsiab lus yog kwv yees li sib npaug. Piv txwv li, lub melting point thiab qhov khov ntawm mercury yog 234.32 kelvins (−38.83 °C; −37.89 ° F).
Dab tsi yog qhov txawv ntawm qhov khov thiab qhov kub?
Lub 'kwv yees' ntawm ib yam khoom yog qhov kub ntawm qhov 'kua' hloov mus rau 'khoom'. Nyob rau hauv cov ntaub ntawv ntawm kev sib tov, lub khov taw tes yog piv qis dua qhov kub ntawm qhov taw tes Ib qho kev nce hauv siab nce qhov khov vim qhov khov thiab qhov siab yog ' ncaj qha proportional'.
