Cov nplaim taws xiav muaj ntau dua oxygen thiab tau kub duavim cov roj hlawv kub dua li cov khoom siv organic, xws li ntoo. Thaum cov nkev nkev yog ignited nyob rau hauv lub qhov cub burner, cov gases sai sai hlawv ntawm kub heev, yielding mas xiav nplaim taws.
Puas xiav nplaim kub dua nplaim liab?
Cov hluav taws kub kub kub nrog lub zog ntau dua uas muaj xim sib txawv dua li cov hluav taws kub. Txawm hais tias liab feem ntau txhais tau tias kub los yog txaus ntshai, hauv hluav taws kub nws qhia tias txias dua. Thaum xiav sawv cev rau cov xim txias rau feem ntau, nws yog qhov sib txawv ntawm qhov hluav taws kub, txhais tau tias lawv yog cov nplaim taws kub tshaj plaws
Cov nplaim xim dab tsi kub dua xiav?
Lub hauv paus tseem ceeb ntawm cov taws tswm ciab yog lub teeb xiav, nrog qhov kub ntawm ib ncig ntawm 1800 K (1500 ° C). Qhov ntawd yog qhov kub tshaj plaws ntawm cov nplaim taws. Cov xim hauv cov nplaim taws dhau los ua yellow, txiv kab ntxwv, thiab thaum kawg liab. Qhov ntxiv koj tau txais los ntawm qhov chaw ntawm cov nplaim taws, qhov kub thiab txias yuav qis dua.
Puas xiav lossis daj hluav taws kub dua?
Nplaim xim lub ntsiab lus tuaj yeem qhia qhov ntsuas kub, hom roj lossis qhov ua tiav ntawm combustion. Piv txwv li, nplaim xiav yog qhov kub tshaj plaws ua raws li cov nplaim daj, ces txiv kab ntxwv thiab liab nplaim.
Puas xiav hluav taws kub ib txwm kub?
Cov nplaim taws xiav tsis yog ib txwm kub dua li cov nplaim daj, vim tias cov xim ntawm lub teeb tawm los ntawm cov nplaim hluav taws tuaj yeem nyob ntawm seb cov atoms thiab cov molecules nyob hauv cov nplaim taws. … Qhov no tsis tau txhais hais tias qhov kub ntawm tag nrho cov hluav taws tau nce, tsuas yog cov tshuaj no ua rau cov xim hloov.
