Video: Koj ua li cas rau ib tus neeg txo qis?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Txo cov neeg ua haujlwm tuaj yeem yog qeb los ntawm kev nce zog los ntawm qeb duas lawv txo muaj peev xwm. Cov txo tus neeg sawv cev muaj zog dua thaum nws muaj qhov tsis zoo txo muaj peev xwm thiab tsis muaj zog thaum nws muaj qhov zoo dua txo peev xwm.
Ib yam li ntawd, koj tuaj yeem nug, koj yuav txheeb xyuas cov oxidizing thiab txo cov neeg ua haujlwm li cas?
A txo tus neeg sawv cev yog ib yam khoom uas ua rau lwm yam khoom txo . Yog li ntawd rau txheeb xyuas ib oxidizing tus neeg sawv cev , tsuas yog saib tus lej oxidation ntawm ib lub atom ua ntej thiab tom qab cov tshuaj tiv thaiv. Yog tias tus lej oxidation ntau dua hauv cov khoom, ces nws poob electrons thiab cov khoom raug oxidized.
Tsis tas li ntawd, cov ntsiab lus twg yog cov tshuaj txo qis zoo? Cov tshuaj txo kom zoo muaj xws li cov hlau ua haujlwm, xws li sodium , magnesium , aluminium, thiab zinc, uas muaj cov ionization me me thiab tsis tshua muaj electronegativities. Hlau hydrides, xws li NaH, CaH2, and LiAlH4, uas raug cai muaj H- ion, kuj zoo txo tus neeg sawv cev.
Tsis tas li lo lus nug yog, koj ua li cas thiaj nrhiav tau tus neeg saib xyuas qis tshaj plaws?
Kev piav qhia: Ntawm no yog ib lub rooj ntawm tus qauv txo muaj peev xwm. Cov tsiaj nyob rau sab laug sab laug muaj qhov loj tshaj "muaj peev xwm" txo qis, yog li lawv yog cov muaj zog oxidizing. tus neeg sawv cev . Qhov muaj zog tshaj oxidizing tus neeg sawv cev Hauv daim ntawv teev npe yog F2, ua raws li H2O2, thiab lwm yam mus rau hauv tsis muaj zog oxidizing tus neeg sawv cev , Li+.
Puas yog HCl muaj zog txo tus neeg sawv cev?
HCl (Cl^-) tuaj yeem oxidized rau chlorine gas (Deacon cov tshuaj tiv thaiv) siv a muaj zog dua oxidizing tus neeg sawv cev tshaj HCl (TiO 2). HCl (H^+) tuaj yeem txo qis rau hydrogen gas los ntawm kev tsis muaj zog oxidizing tus neeg sawv cev tshaj HCl ( muaj zog txo tus neeg sawv cev ) zoo li Zn. Tsis muaj qhov kawg oxidizing tus neeg sawv cev los yog txo tus neeg sawv cev.
Pom zoo:
Koj puas siv cov hlua khi kom nce thiab txo qis?
Lub sijhawm sau ntawv yuav zoo li no: (-∞, 2) u (2, ∞). Ib txwm siv lub voj voog, tsis yog ib qho bracket, nrog infinity lossis tsis zoo infinity. Koj kuj siv cov kab lus rau 2 vim tias ntawm 2, daim duab tsis yog nce lossis txo qis - nws yog tiaj tus
Koj piav qhia txog oxidation thiab txo qis li cas?
Oxidation-Reduction Reactions. Ib qho oxidation-txo (redox) cov tshuaj tiv thaiv yog ib hom tshuaj tiv thaiv uas muaj kev hloov ntawm electrons ntawm ob hom. Ib qho oxidation-txo cov tshuaj tiv thaiv yog cov tshuaj tiv thaiv uas cov oxidation naj npawb ntawm cov molecule, atom, los yog ion hloov los ntawm kev txais los yog poob ib tug electron
Cov dej puas txav los ntawm qhov siab mus rau qis qis?
Osmosis: Hauv osmosis, dej ib txwm txav los ntawm thaj tsam ntawm cov dej siab dua mus rau ib qho ntawm cov concentration qis dua. Nyob rau hauv daim duab qhia, lub solute tsis tuaj yeem dhau los ntawm cov xim permeable, tab sis cov dej tuaj yeem. Dej muaj ib tug concentration gradient nyob rau hauv no system
Thaum twg qhov kev faib yog tus lej chromosome txo qis hauv meiosis?
Thawj qhov kev faib yog hu ua kev txo qis - lossis meiosis I - vim tias nws txo cov chromosomes ntawm 46 chromosomes lossis 2n rau 23 chromosomes lossis n (n piav qhia txog ib qho chromosomes)
Qhov twg tuaj yeem ua rau txo qis ntawm lub zog ntawm cov khoom txav?
Momentum ntawm ib yam khoom yog sib npaug rau nws cov huab hwm coj multiplied los ntawm nws tshaj tawm. (Momentum yog vector kom muaj nuj nqis vim qhov nrawm yog vector). Txo qhov loj lossis qhov nrawm yuav txo qis zog. Qee lossis tag nrho ntawm lub zog ntawm ib qho khoom tuaj yeem hloov mus rau lwm yam khoom los ntawm kev sib tsoo nrog nws