Video: Koj tuaj yeem ua li cas yog tias koj tsis paub tias txheej twg yog nyob rau hauv cov txheej txheem rho tawm?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Koj tuaj yeem ua dab tsi yog tias koj tsis paub tias txheej twg yog nyob rau hauv cov txheej txheem extraction ? Tso dej me me rau hauv lub caj dab ntawm qhov sib cais funnel. Saib nws ua tib zoo: yog nws tseem nyob rau sab sauv txheej , uas txheej yog cov dej txheej.
Raws li, koj yuav ua li cas qhia tias txheej twg yog nyob rau hauv ib qho extraction?
Rau txiav txim seb txheej twg yog qhov twg, ib tus tuaj yeem ntxiv cov dej distilled rau lub funnel. Qhov twg txheej nce nyob rau hauv loj yuav tsum yog lub aqueous txheej thiab lwm yam yog cov organic txheej . Hauv qhov no, ob qho tib si txheej tuaj yeem muab cais rau hauv lawv cov beakers.
Qhov thib ob, vim li cas nws yog ib lub tswv yim zoo kom txuag tau tag nrho cov txheej txheem ntawm koj cov extraction mus txog thaum kawg ntawm kev sim? Kev ua yuam kev thaum lub sij hawm rho tawm (piv txwv li nqa nrog qhov tsis ncaj ncees lawm txheej ), tuaj yeem daws tau yog tias cov kev daws teeb meem tsis tau muab tso rau hauv lub thawv pov tseg! Cov txheej yuav tsum tau txais kev cawmdim mus txog thaum tom qab evaporation vim hais tias qhov xav tau compound yuav tsis soluble heev nyob rau hauv cov kuab tshuaj siv.
Yog li ntawd, dab tsi yog qhov aqueous txheej hauv kev rho tawm?
Tom qab rho tawm Nrog cov kuab tshuaj ntawm ether thiab dej, 2 polar compounds yuav pom nyob rau hauv aqueous txheej (ib tug polar solvent dissolves polar solute) thiab cov nonpolar compound yuav pom nyob rau hauv nonpolar theem (ether). Nco tseg: theem muaj H2O npe dej theem.
Ib qho piv txwv ntawm kev rho tawm yog dab tsi?
Kev rho tawm yog tus txheej txheem ntawm kev xaiv tshem tawm ib qho kev txaus siab los ntawm kev sib tov siv cov kuab tshuaj. Ua tshuaj yej yog qhov zoo piv txwv ntawm extraction . Dej yog muab tso rau hauv kev sib cuag nrog tshuaj yej hnab thiab "tshuaj yej" yog rho tawm los ntawm cov tshuaj yej nplooj mus rau hauv dej.
Pom zoo:
Yuav ua li cas cov txheej txheem ntawm cell faib nyob rau hauv eukaryotes feem ntau zoo ib yam li cell faib nyob rau hauv prokaryotes?
Tsis zoo li eukaryotes, prokaryotes (uas suav nrog cov kab mob) tau txais ib hom kev faib cell hu ua binary fission. Hauv qee qhov, cov txheej txheem no zoo ib yam li mitosis; Nws yuav tsum tau rov ua dua ntawm cov cell chromosomes, cais ntawm cov theej DNA, thiab kev sib cais ntawm niam txiv cell cytoplasm
Tus qauv atomic twg hais tias nws tsis tuaj yeem paub qhov tseeb qhov chaw ntawm electrons nyob ib ncig ntawm lub nucleus?
Cov lus teb yog tus qauv electron-cloud. Erwin Schrodinger tus qauv, tsis zoo li lwm cov qauv, qhia cov hluav taws xob ua ib feem ntawm 'huab' qhov twg txhua tus electrons nyob hauv tib qhov chaw ib zaug
Txoj cai thermodynamic twg hais tias koj Tsis tuaj yeem hloov 100 feem pua ntawm cov cua sov rau hauv cov khoom siv hluav taws xob ntawm cov lus teb xaiv?
Txoj Cai thib ob
Dab tsi yog lub zog tso tawm cov txheej txheem uas rhuav tshem cov molecules loj rau hauv cov me?
Catabolic Reactions. Cov tshuaj tiv thaiv Catabolic rhuav tshem cov organic molecules loj rau hauv cov molecules me, tso tawm lub zog uas muaj nyob rau hauv cov tshuaj bonds
Cov tshuaj dab tsi tuaj yeem txav mus rau hauv lossis tawm ntawm cov hlwb los ntawm kev nthuav tawm?
Dej, carbon dioxide, thiab oxygen yog ib qho ntawm ob peb yam yooj yim molecules uas muaj peev xwm hla lub cell membrane los ntawm diffusion (los yog ib hom diffusion hu ua osmosis). Diffusion yog ib txoj hauv kev ntawm kev txav ntawm cov khoom nyob rau hauv cov hlwb, nrog rau txoj kev rau cov me me molecules tseem ceeb hla lub cell membrane