Video: Tam sim ntawd yuav siv dab tsi yog tias koj cov khaub ncaws raug hluav taws lossis yog tias muaj tshuaj lom loj tshwm sim ntawm koj cov khaub ncaws?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Yuav siv li cas tam sim ntawd yog tias koj cov khaub ncaws raug hluav taws lossis yog tias muaj tshuaj lom loj heev tshwm sim rau koj tej khaub ncaws ? Koj mus ncaj qha rau tus kev nyab xeeb da dej thiab sawb ntawm tag nrho koj tej khaub ncaws.
Tom qab ntawd, ib tus kuj tseem nug, dab tsi yuav siv tam sim yog tias koj cov khaub ncaws raug hluav taws lossis yog tias muaj tshuaj lom ntau tshwm sim ntawm koj cov khaub ncaws?*?
Koj mus ncaj qha rau tus kev nyab xeeb da dej thiab sawb ntawm tag nrho koj tej khaub ncaws.
Tsis tas li ntawd, yuav ua li cas yog tias cov tshuaj nkag mus rau hauv lub qhov muag? Kho ib tshuaj qhov muag burn: Flush lub qhov muag tawm nrog dej txias li 15 feeb. Thaum koj yaug, siv koj cov ntiv tes los tuav koj qhov muag qhib kom dav li sai tau thiab yob koj qhov muag los xyuas kom meej qhov kev pab zoo tshaj plaws. Tshem tawm cov tshuaj tiv thaiv kab mob, yog siv tau, yog lawv tsis tuaj thaum lub sij hawm ntws tawm.
Tom qab ntawd, lo lus nug yog, thaum twg muaj tshuaj lom tshwm sim ntawm koj cov khaub ncaws koj yuav tsum?
Thaum muaj xwm txheej tshuaj lom neeg mus rau khaub ncaws : Ceev faj kom tsis txhob kis tus kab mob tshuaj ncaj qha rau ntawm daim tawv nqaij, yog tias ua tau. Ceev nrooj tshem tawm tag nrho cov kab mob khaub ncaws thaum siv da dej kev nyab xeeb. Dej nyab lub cev nrog dej txias li 15 feeb.
Yuav ua li cas thiaj li tua hluav taws me me tuaj yeem tua tau yooj yim tshaj plaws?
Smother tus hluav taws nrog a me me thawv (piv txwv li, lub beaker) Nco ntsoov qhov no yog tua hluav taws me me !
Pom zoo:
Dab tsi yog tsib yam pov thawj uas koj tuaj yeem siv los txiav txim seb puas muaj tshuaj lom neeg tshwm sim?
Qee cov cim qhia txog kev hloov tshuaj lom neeg yog kev hloov xim thiab tsim cov npuas. Lub tsib yam kev hloov ntawm tshuaj lom neeg: xim chage, tsim ntawm precipitate, tsim cov roj, tsw hloov, kub hloov
Dab tsi yog cov yam ntxwv ua siab hloov hluav taws xob hloov hluav taws xob LET muaj thaum piv nrog LET hluav taws xob tsawg?
Dab tsi yog cov yam ntxwv ua kom muaj hluav taws xob hloov hluav taws xob siab (LET) hluav taws xob muaj thaum piv nrog cov hluav taws xob qis-LET? Cov huab hwm coj ntau ntxiv, txo qhov nkag mus. (Vim lawv cov nqi hluav taws xob thiab cov khoom loj heev, lawv ua rau ntau ionizations hauv cov ntaub so ntswg, sai sai poob lub zog
Dab tsi yog peb qhov kev soj ntsuam uas yuav qhia tau tias muaj tshuaj lom neeg tshwm sim?
Cov hauv qab no tuaj yeem qhia tau tias kev hloov tshuaj lom neeg tau tshwm sim, txawm hais tias cov pov thawj no tsis muaj tseeb: Hloov cov ntxhiab tsw. Hloov cov xim (piv txwv li, nyiaj rau reddish-xim av thaum hlau xeb). Hloov hauv qhov kub lossis lub zog, xws li kev tsim khoom (exothermic) lossis poob (endothermic) ntawm tshav kub
Puas yog hluav taws xob them nqi hluav taws xob tsuas yog hluav taws xob lossis yog tus nqi ntawm tag nrho cov atoms?
Tus nqi zoo attracts tus nqi tsis zoo thiab ua rau lwm tus nqi zoo. Puas yog hluav taws xob them nqi hluav taws xob tsuas yog hluav taws xob lossis yog tus nqi ntawm tag nrho cov atoms? Cov nqi hluav taws xob yog cov cuab yeej ntawm tag nrho cov atoms
Cov kev soj ntsuam soj ntsuam dab tsi qhia tias muaj kev hloov tshuaj lom neeg tshwm sim?
Kev soj ntsuam uas qhia tias muaj kev hloov pauv tshuaj muaj xws li kev hloov xim, hloov pauv kub, lub teeb muab tawm, tsim ua npuas, tsim cov nag lossis daus, thiab lwm yam