Dej evaporation pib ntawm 4 ° C, yog li nws evaporates ntawm chav tsev kub. Vim evaporation txawv ntawm boiling. Qhov no yog qhov tseeb tseem ceeb heev.
Thaum twg dej evaporate?
Kub (zog) yog tsim nyog rau evaporation tshwm sim. Lub zog yog siv los rhuav tshem cov ntawv cog lus uas tuav cov dej molecules ua ke, uas yog vim li cas dej yooj yim evaporates ntawm qhov kub ntawm qhov kub (212 ° F, 100 ° C) tab sis evaporates qeeb qeeb ntawm qhov khov. point.
Yuav ua li cas thaum dej pib evaporate?
Evaporation tshwm sim thaum cov khoom ua kua ua kua roj. Thaum dej sov, nws evaporates. Cov molecules txav thiab vibrate sai heev uas lawv khiav mus rau hauv cov huab cua raws li molecules ntawm dej vapor.
Yuav siv sijhawm ntev npaum li cas rau cov dej pib evaporating?
Nws yuav siv sij hawm 5 feeb kom txog qhov kub yog tias peb rhaub dej. Nws yuav siv sij hawm lwm 20 feeb lossis li ntawdua ntej dej tau evaporated tag, uas yog qhov zoo, vim nws muab sijhawm rau peb txuag peb lub khob.
dej evaporated li cas?
Nyob hauv lub voj voog dej, evaporation tshwm sim thaum tshav ntuj sov saum npoo dej. Lub tshav kub los ntawm lub hnub ua rau cov dej molecules txav ceev thiab ceev, kom txog rau thaum lawv txav ceev heev lawv khiav raws li ib tug gas. … Thaum nws txias txaus, cov dej vapor condenses thiab rov qab mus rau cov dej ua kua.
