Hydrogen yog kua qis dua nws qhov kub ntawm 20 K (–423 ºF; -253 ºC) thiab cov khoom hauv qab nws cov ntsiab lus melting ntawm 14 K (–434 ºF; -259 ºC) thiab atmospheric siab. Pom tseeb, cov kub no qis heev.
Puas yog hydrogen yog kua ntawm chav tsev kub?
Hydrogen yog a roj ntawm chav sov.
Yuav ua li cas ua kua hydrogen?
Yuav tsim cov hydrogen, nws yuav tsum tau muab cais tawm ntawm lwm cov ntsiab lus hauv cov molecules uas nws tshwm sim. Muaj ntau ntau qhov sib txawv ntawm hydrogen thiab txoj hauv kev los tsim nws rau kev siv roj. Ob txoj hauv kev los tsim cov hydrogen ntau tshaj plaws yog kev hloov pauv ntawm chav-methane thiab electrolysis (splitting dej nrog hluav taws xob.
Puas yog hydrogen yog roj lossis kua?
Hydrogen yog lub teeb tshaj plaws. Hydrogen yog roj ntawm qhov kub ib txwmthiab siab, tab sis hydrogen condenses rau cov kua ntawm qhov rho tawm 423 degrees Fahrenheit (rho tawm 253 degrees Celsius).
Koj puas tuaj yeem haus cov kua hydrogen?
Koj Puas Tau Haus Dej? Txawm hais tias qee qhov kev tshawb fawb txog kev noj qab haus huv ntawm cov dej hydrogen qhia tau tias muaj txiaj ntsig zoo, kev tshawb fawb loj thiab ntev dua yuav tsum tau ua ntej kev txiav txim siab tuaj yeem kos. Hydrogen dej feem ntau lees paub tias muaj kev nyab xeeb (GRAS) los ntawm FDA, txhais tau tias nws tau pom zoo rau tib neeg noj thiab tsis paub tias yuav ua rau mob.
