Video: Vim li cas peb thiaj li kho cov coefficients thaum ntsuas cov tshuaj sib npaug thiab tsis yog cov ntawv sau npe?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Thaum twg koj hloov tus coefficients , koj ' tsuas yog hloov tus naj npawb ntawm cov molecules ntawm cov khoom tshwj xeeb. Txawm li cas los xij, thaum koj hloov tus subscripts , koj yog hloov cov khoom nws tus kheej, uas yuav ua koj tshuaj sib npaug yuam kev.
Ib yam li ntawd, vim li cas cov ntawv sau tsis tuaj yeem hloov pauv thaum ntsuas qhov sib npaug tshuaj?
Tsuas yog cov coefficients tuaj yeem ua tau hloov nyob rau hauv thiaj li yuav balance ib chemical equation . Subscripts yog ib feem ntawm cov tshuaj formula rau reactants los yog khoom thiab ua tsis tau ua hloov rau tshuav nyiaj li cas ib kev sib npaug . Hloov ib subscript hloov cov khoom sawv cev los ntawm cov qauv.
Tsis tas li, vim li cas cov coefficients siv los sib npaug sib npaug? Hauv ib sib npaug tshuaj kev sib npaug , tag nrho cov atoms ntawm txhua lub caij tam sim no yog tib yam ntawm ob sab ntawm lub kev sib npaug . Stoichiometric coefficients yog cov coefficients yuav tsum tau tshuav nyiaj li cas ib qho tshuaj kev sib npaug . Cov no yog qhov tseem ceeb vim lawv txheeb cov nqi ntawm cov reactants siv thiab cov khoom tsim.
Kuj tseem xav paub, vim li cas nws tseem ceeb kom txo cov coefficients hauv qhov sib npaug sib npaug kom qis tshaj qhov ua tau?
Teb yog: nws yog tseem ceeb vim hais tias nyob rau hauv txoj kev chemist yuav pom qis tshaj tau tus naj npawb ntawm reactants hauv tshuaj cov tshuaj tiv thaiv xav tau los tsim cov khoom ntawm cov tshuaj tiv thaiv. Coefficients nrog rau qis tshaj ratio qhia qhov txheeb ze ntawm cov tshuaj hauv cov tshuaj tiv thaiv.
Dab tsi tuaj yeem hloov kho thaum ntsuas tshuaj sib npaug?
Thaum koj tshuav nyiaj li cas ib kev sib npaug koj ua tau tsuas yog hloov cov coefficients (tus lej nyob rau hauv pem hauv ntej ntawm molecules los yog atoms). Coefficients yog cov lej nyob rau pem hauv ntej ntawm lub molecule. Subscripts yog cov lej me dua tom qab atoms. Cov no ua tsis tau hloov thaum sib npaug tshuaj sib npaug !
Pom zoo:
Yuav daws qhov tsis sib npaug ntawm cov kab sib npaug thiab cov kab sib npaug sib npaug li cas?
Kev daws qhov tsis sib npaug ntawm qhov sib npaug yog zoo ib yam li kev daws cov kab sib npaug. Qhov sib txawv tseem ceeb yog koj tig lub cim tsis sib xws thaum faib lossis muab faib los ntawm tus lej tsis zoo. Graphing linear inequalities muaj ob peb qhov sib txawv ntxiv. Qhov uas yog qhov ntxoov ntxoo muaj xws li qhov tseem ceeb uas qhov kev tsis sib xws ntawm cov kab tawm muaj tseeb
Vim li cas peb thiaj li hais txog kev txwv tsis pub muaj kev hais tawm thiab thaum twg peb yuav hais cov kev txwv?
Peb hais txog kev txwv vim nws yuav ua rau qhov sib npaug tsis tau txhais hauv qee qhov txiaj ntsig ntawm x. Qhov kev txwv ntau tshaj plaws rau cov lus qhia muaj nuj nqis yog N / 0. Qhov no txhais tau tias txhua tus lej muab faib los ntawm xoom tsis tau txhais. Piv txwv li, rau txoj haujlwm f(x) = 6/x², thaum koj hloov x = 0, nws yuav ua rau 6/0 uas tsis tau txhais
Txoj kev faib cov ntaub ntawv twg muab cov ntaub ntawv sib npaug ntawm cov ntaub ntawv lossis cov kev tshuaj xyuas hauv txhua chav kawm cov ntaub ntawv?
Quantile. txhua chav kawm muaj cov yam ntxwv sib npaug. Ib qho kev faib tawm ntau yog zoo haum rau cov ntaub ntawv faib tawm. Quantile muab tib tus lej ntawm cov ntaub ntawv muaj nuj nqis rau txhua chav kawm
Cov coefficients hauv kev sib npaug tshuaj sib npaug qhia koj li cas txog cov reactants thiab cov khoom?
Cov coefficients ntawm kev sib npaug chemicalequation qhia peb cov txheeb ze ntawm moles ntawm reactants thiab cov khoom. Hauv kev daws teeb meem stoichiometric, kev hloov pauv ntawm moles ntawm reactants rau moles ntawm cov khoom raug siv. Hauv kev suav loj, cov molar loj yog xav tau los hloov cov huab hwm coj mus rau moles
Dab tsi yog qhov sib txawv ntawm cov kab lus sib npaug thiab qhov sib npaug sib npaug?
Cov kab lus sib npaug muaj qhov muaj txiaj ntsig zoo ib yam tab sis tau nthuav tawm nyob rau hauv ib hom ntawv sib txawv uas siv cov khoom ntawm cov lej xws li ax + bx = (a + b) x yog cov kab lus sib npaug. nruj me ntsis, lawv tsis yog 'sib npaug', yog li peb yuav tsum siv 3 kab sib luag hauv 'sib npaug' es tsis yog 2 raws li qhia ntawm no