Video: Dab tsi yog pov thawj ntawm cov tshuaj tiv thaiv tshuaj?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Ib xim hloov , tsim los ntawm precipitate los yog ib tug roj, los yog kub hloov yog cov pov thawj ntawm a tshuaj tiv thaiv.
Ua li no, ua pov thawj tias muaj tshuaj lom neeg tshwm sim li cas?
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 xim (rau piv txwv , silver 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.
Kuj Paub, 7 cov cim qhia ntawm cov tshuaj tiv thaiv tshuaj yog dab tsi? Xya yam uas qhia tias muaj kev hloov tshuaj lom neeg tshwm sim
- Gas npuas tshwm. Gas npuas tshwm tom qab muaj tshuaj lom neeg cov tshuaj tiv thaiv tau tshwm sim thiab cov sib tov ua saturated nrog roj.
- Tsim ib tug Precipitate.
- Xim hloov.
- Kub Hloov.
- Kev tsim lub teeb.
- Hloov ntim.
- Hloov hauv tsw lossis saj.
Ntawm no, 5 qhov pov thawj ntawm cov tshuaj tiv thaiv tshuaj lom neeg yog dab tsi?
Tshuaj tiv thaiv kuj hu ua tshuaj kev hloov. Muaj ntau ntau txoj hauv kev los pom a tshuaj hloov . Tsib txawv cov cim xws li tsw, kub hloov , precipitate tsim, zus tau tej cov pa npuas, thiab ib tug xim hloov.
Dab tsi yog 6 cov cim qhia ntawm cov tshuaj tiv thaiv tshuaj?
Qee cov cim qhia txog kev hloov tshuaj lom neeg yog kev hloov hauv xim thiab tsim cov npuas. Tsib yam xwm txheej ntawm kev hloov tshuaj lom neeg: xim chage, tsim ntawm precipitate, tsim cov pa roj, tsw hloov, kub hloov.
Pom zoo:
Dab tsi yog cov khoom pov tseg ntawm cov tshuaj tiv thaiv lub teeb?
Dej, thaum tawg, ua rau oxygen, hydrogen, thiab electrons. Cov electrons txav los ntawm cov qauv hauv chloroplasts thiab los ntawm chemiosmosis, ua ATP. Cov hydrogen hloov mus rau NADPH uas yog tom qab ntawd siv rau hauv cov tshuaj tiv thaiv lub teeb. Oxygen diffuses tawm ntawm cov nroj tsuag raws li cov khoom pov tseg ntawm photosynthesis
Vim li cas cov tshuaj tiv thaiv kev zom zaub mov hu ua hydrolysis cov tshuaj tiv thaiv?
Thaum lub sij hawm zom mov, piv txwv li, decompositionreactions zom cov zaub mov loj rau hauv cov me me los ntawm kev ntxiv cov dej molecules. Hom tshuaj no hu ua hydrolysis. Raws li dej absorbs heatenergy, qee lub zog yog siv los rhuav tshem hydrogenbonds
Dab tsi pov thawj siv cov duab ntawm lub dav hlau sib koom ua pov thawj cov khoom geometric?
Cov ntaub ntawv pov thawj uas siv cov duab ntawm lub dav hlau sib koom ua pov thawj geometric zog yog hu ua trigonometric
Cov tshuaj tiv thaiv dab tsi yog qhov tshuaj tiv thaiv neutralization?
Neutralization yog ib hom tshuaj tiv thaiv nyob rau hauv uas muaj zog acid thiab muaj zog puag react nrog ib leeg los tsim dej thiab ntsev
Dab tsi yog tshuaj lom neeg cov tshuaj tiv thaiv thiab cov tshuaj tiv thaiv lub cev?
Qhov sib txawv ntawm cov tshuaj tiv thaiv lub cev thiab cov tshuaj tiv thaiv tshuaj yog muaj pes tsawg leeg. Hauv cov tshuaj tiv thaiv tshuaj, muaj kev hloov pauv ntawm cov tshuaj hauv nqe lus nug; nyob rau hauv ib qho kev hloov ntawm lub cev muaj qhov sib txawv ntawm qhov tsos, tsis hnov tsw, los yog cov duab yooj yim ntawm cov qauv ntawm cov teeb meem yam tsis muaj kev hloov pauv hauv cov ntsiab lus