Cov tshuaj ntshiab yog ib hom teeb meem uas muaj cov tshuaj lom neeg ruaj khov thiab cov yam ntxwv sib txawv thaum sib xyaw ua ke yog sib tov ntawm ob lossis ntau qhov sib xyaw nrog cov khoom sib xyawuas sib xws los yog sib xyaw ua ke kom sib cais sib cais.
Puas yog sib tov sib xyaw ua ib yam khoom ntshiab?
Ib qho sib tov sib xyaw yog ib qho sib xyaw uas cov muaj pes tsawg leeg tsis sib xws thoob plaws qhov sib xyaw. … Los ntawm txhais, ib yam khoom ntshiab los yog ib homogeneous sib tov muaj ib theem. Ib qho sib tov sib xyaw ua ke muaj ntawm ob lossis ntau theem.
Puas yog cov khoom ntshiab ib txwm sib xws?
Yog li ntawd, dej ntshiab yog homogeneous thiab ntshiab yam. Txawm li cas los xij, thaum homogeneous tshuaj muaj ob lossis ntau hom molecules sib txawv ntawm ib leeg, ces nws hu ua homogeneous sib tov. Kev sib xyaw ua ke tuaj yeem sib txawv, tab sis cov khoom ntshiab tsis yog.
Puas yog homogeneous sib xyaw lossis cov khoom ntshiab?
Yog tias nws ntshiab, cov khoom yog ib qho khoom lossis cov khoom sib xyaw. Yog hais tias ib yam khoom muaj peev xwm muab cais rau hauv nws cov ntsiab lus, nws yog ib qho compound. Yog hais tias ib yam khoom tsis yog tshuaj dawb huv, nws yog ib qho sib xyaw heterogeneous lossis homogeneous sib xyaw. Yog hais tias nws muaj pes tsawg leeg thoob plaws, nws yog homogeneous sib xyaw.
Puas yog sib tov yog cov khoom ntshiab?
a khoom ntshiab muaj ib lub ntsiab lossis ib qho xwbcompound. kev sib tov muaj ob lossis ntau yam khoom sib txawv, tsis yog tshuaj lom neeg ua ke.
