Video: Dab tsi yog et2o hauv chemistry?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Diethyl ether hmoov , los yog yooj yim ether, yog ib qho organic compound hauv chav kawm ether nrog cov qauv (C.
Dhau li ntawm no, dab tsi yog ether ua los ntawm?
Ethyl ether , kuj hu ua Diethyl ether , zoo-paub tshuaj loog, feem ntau hu ua yooj yim ether, ib qho organic compound teej tug mus rau ib pawg loj ntawm cov tebchaw hu ua ethers; nws cov qauv molecular muaj ob pawg ethyl txuas los ntawm cov pa atom, xws li hauv C2H5OC2H5.
Kuj Paub, yog ch3ch2och2ch3 polar lossis nonpolar? Plan: CH3CH2OCH2CH3 yog polar nrog dipole - dipole kev sib cuam tshuam raws li qhov tseem ceeb ntawm lub zog intermolecular. Tshawb xyuas cov kuab tshuaj kom txiav txim siab seb leej twg muaj lub zog intermolecular ntau dua li cov hauv Diethyl ether . Qhov no solute yog ib qho uas yuav ntau soluble.
Tsis tas li lo lus nug yog, puas yog diethyl ether tsis raug cai?
Ether yog siv los ua ib qho hnyav los ntawm cov kws tshawb fawb rau cov tshuaj tiv thaiv. Cov neeg siv coj ether raws li cov tshuaj lom neeg ua si (tshuaj siv rau kev lom zem, xws li cawv) hauv 1800s. Nws los ua txhaum cai muag ether Hauv tebchaws Poland xyoo 1923. Ether yog ua los ntawm cov khoom siv thaum ethanol ua, yog li nws tsis kim heev.
Puas tseem siv ether niaj hnub no?
Kev siv ntawm ether thiab chloroform tom qab poob qis tom qab kev txhim kho ntawm kev nyab xeeb, kev nqus tshuaj loog zoo dua, thiab lawv tsis muaj lawm. siv hauv kev phais hnub no.
Pom zoo:
Dab tsi yog bureaucracy thiab nws cov haujlwm yog dab tsi?
Cov haujlwm ntawm Tsoom Fwv Teb Chaws Bureaucracy. Tsoom fwv teb chaws bureaucracy ua peb lub luag haujlwm tseem ceeb hauv tsoomfwv: kev siv, kev tswj hwm, thiab kev tswj hwm. Kev ua haujlwm niaj hnub ntawm bureaucracy - sau nqi, muab ntawv tso cai, muab xeem, thiab ntxiv rau - yog kev tswj hwm ntawm nws lub hom phiaj
Dab tsi yog rau lub tshuab yooj yim thiab cov piv txwv ntawm lawv yog dab tsi?
Cov no yog rau lub tshuab yooj yim: cov nplais, lub log thiab lub qag, qib, lub dav hlau inclined, ntsia hlau, thiab lub log
Kev tswj hwm kev paub yog dab tsi nws lub hom phiaj yog dab tsi?
Lub hom phiaj ntawm kev tswj hwm kev paub yog muab cov ntaub ntawv txhim khu kev qha thiab ruaj ntseg, nrog rau ua kom muaj thoob plaws hauv koj lub koom haum lub neej. Muaj peb lub hom phiaj tseem ceeb ntawm KM thiab lawv yog: Ua kom lub koom haum ua haujlwm zoo dua. Xyuas kom txhua tus neeg ua haujlwm muaj kev nkag siab meej thiab sib koom ua ke
Dab tsi txaus ntshai zoo kawg li nws yog qhov peb yuav tsum tau khawb trenches thiab sim cov roj npog qhov ncauj qhov ntswg ntawm no vim muaj kev sib cav nyob hauv lub tebchaws nyob deb ntawm cov neeg uas peb tsis paub dab tsi?
Qhov txaus ntshai npaum li cas, zoo heev, zoo kawg yog tias peb yuav tsum tau khawb trenches thiab sim roj-qhov ncauj qhov ntswg ntawm no vim muaj kev sib cav nyob rau hauv ib lub teb chaws nyob deb ntawm cov neeg uas peb tsis paub dab tsi. Nws zoo nkaus li tseem tsis yooj yim dua tias kev sib cav uas twb tau hais tseg hauv txoj cai yuav tsum yog kev ua tsov rog
Dab tsi yog peb txoj kab hauv qab peb lub hauv paus koom ua ke rau hauv Lub Ntiaj Teb Kev Tshaj Tawm Kev Tshaj Tawm Txoj Haujlwm?
Dab tsi yog peb txoj kab hauv qab kab hauv qab tau muab tso rau hauv Lub Ntiaj Teb Kev Tshaj Tawm Kev Tshaj Tawm Txoj Haujlwm? kev coj ncaj ncees thiab kev cai lij choj. cov thawj coj lossis cov neeg ua haujlwm ncaj ncees. Kev soj ntsuam kev sib raug zoo thiab kev soj ntsuam kev coj ncaj ncees ua tau zoo ib yam, yog li cov koom haum tuaj yeem siv lawv sib pauv