Nyob rau theem gaseous phosphorus pentachloride?

Cov txheej txheem:

Nyob rau theem gaseous phosphorus pentachloride?
Nyob rau theem gaseous phosphorus pentachloride?
Anonim

Nyob rau hauv cov roj theem, phosphorus pentachloride exist as cais molecules. Hauv cov theem khoom, txawm li cas los xij, qhov sib xyaw yog tsim los ntawm kev sib hloov PC4 + thiab PCl6- ions.

Puas yog phosphorus pentachloride yog roj?

Phosphorus pentachloride yog greenish-daj crystalline khoom nrog cov ntxhiab tsw ntxhiab. Nws yog decomposed los ntawm dej los tsim hydrochloric thiab phosphoric acid thiab tshav kub. Qhov cua sov no yuav txaus rau ignite ib puag ncig combustible khoom.

YPuas yog phosphorus yog Pentachloride?

Phosphorus pentachloride yog cov tshuaj sib xyaw nrog formula PCl 5 . Nws yog ib qho tseem ceeb tshaj plaws phosphorus chlorides, lwm tus yog PCl3 thiab POCl3. … Nws yog cov khoom tsis muaj xim, dej-rhiab thiab noo noo-rhiab heev, txawm hais tias cov qauv coj mus muag tuaj yeem ua daj thiab kis nrog hydrogen chloride.

Kev ua ntawm phosphorus pentachloride yog dab tsi?

Phosphorus pentachloride dissolving hauv dej tsim phosphoric acid thiab hydrogen chloride. Cov tshuaj tiv thaiv yog muab hauv qab no.

Phosphorus pentachloride ua li cas?

Phosphorus pentachloride yog cov khoom dawb dawb uas tau npaj los ntawm oxidizing lub trichloride nrog ntau cov chlorine. Lub pentachloride sublimes thaum sov thiab tsim ib qho kev sib npaug nrog cov trichloride thiab chlorine thaum rhuab.

Pom zoo:

Nyob rau hauv lub voj voog estrous lub diestrus theem yog ib lub sij hawm ntawm?

Nyob rau hauv lub voj voog estrous lub diestrus theem yog ib lub sij hawm ntawm?

Proestrus yog lub sijhawm npaj rau cov tsiaj txhu los rau hauv tshav kub, metestrus uas yog lub sijhawm luv luv uas ua rau muaj kev poob qis ntawm corpus luteum ua haujlwm thaum tsis muaj kev xav thaum cov dej num ntawm cov kab mob hauv lub cev xeeb tub maj mam txo qis, diestrus uas yogsijhawm so luv luv thaum lub caij yug me nyuam, thiab … Lub sijhawm Diestrus yog dab tsi?

Nyob hauv lub xeev phosphorus pentachloride muaj nyob li?

Nyob hauv lub xeev phosphorus pentachloride muaj nyob li?

Cov phosphorus pentachloride yog cov dej rhiab heev uas yog soluble hauv ntau cov kuab tshuaj organic. Nyob rau hauv lub xeev khoom, nws tshwm sim li ionic khoomuas muaj ob ions, cation [[PCl4] +] thiab anion [[PCl6]

Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?

Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?

Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.

Yuav tsum muaj lub cev muaj zog ohms theem mus rau theem?

Yuav tsum muaj lub cev muaj zog ohms theem mus rau theem?

Kuaj xyuas lub cev muaj zog winding tsis kam lossis ohms nyeem siv lub tshuab hluav taws xob lossis ohmmeter rau theem mus rau theem davhlau ya nyob twg (U rau V, V rau W, W rau U). Lub ohms nyeem rau txhua qhov cua yuav tsum yog tib yam(los yog ze li qhov qub).

Leej twg detering nyob rau hauv tag nrho cov nyob ntsiag to nyob rau sab hnub poob pem hauv ntej?

Leej twg detering nyob rau hauv tag nrho cov nyob ntsiag to nyob rau sab hnub poob pem hauv ntej?

Detering yog tus neeg ua liaj ua teb los ntawm Txhua Tus Neeg Tsis Txaus Siabntawm Sab Hnub Poob los ntawm Erich Maria Remarque. Nws muaj siab mos siab muag, tshwj xeeb tshaj yog thaum nws los txog rau nees. Nws muaj kev kub ntxhov loj heev thaum nws hnov cov nees quaj thiab txawm sim tua lawv kom kawg lawv txoj kev txom nyem.