2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Sodium chloride, feem ntau hu ua ntsev, yog ib qho ionic compound nrog cov tshuaj formula NaCl, sawv cev rau 1: 1 piv ntawm sodium thiab chloride ions. Nrog molar pawg ntawm 22.99 thiab 35.45 g / mol raws li, 100 g ntawm NaCl muaj 39.34 g Na thiab 60.66 g Cl.
NaCl yaj hauv dej li cas?
Ntshav (sodium chloride) yog tsim los ntawm cov sodium ions zoo sib txuas rau cov tshuaj tsis zoo chloride ions. Dej tuaj yeem yaj ntsev vim tias qhov zoo ntawm cov dej molecules nyiam cov chloride ions tsis zoothiab qhov tsis zoo ntawm cov dej molecules nyiam cov sodium ions zoo.
NaCl puas yaj tag nrho hauv dej?
Yog tias koj muab ob yam tshuaj thiab qhov tshwm sim yog qhov sib xyaw ua ke, koj tab tom daws nrog kev daws teeb meem. Nyob rau hauv rooj plaub ntawm ntsev tov nrog dej, Na thiab Cl atoms, pib sib koom ua ke nyob rau hauv daim ntawv ntawm crystal, yog yaj los ntawm molecules ntawm dej. … Cov txheej txheem no txuas ntxiv mus txog thaum cov ntsev yaj tag nrho.
Vim li cas NaCl thiaj yaj?
Dej tuaj yeem yaj ntsev vim tsis zoo chloride ions tau nyiam los ntawmqhov zoo ntawm cov dej molecules thiab cov sodium ions zoo yog nyiam los ntawm qhov tsis zoo ntawm cov dej molecules. … Txawm li cas los xij, NaCl tau hais kom yaj hauv dej, txij li cov crystalline NaCl rov qab los ntawm cov kuab tshuaj evaporation.
Yuav ua li cas yog NaCl tov nrog dej?
Thaum ntsev tov nrog dej,
ntsev dissolves vimcovalent bonds ntawm dej muaj zog tshaj cov ionic bonds nyob rau hauv cov ntsev molecules. … Cov dej molecules rub cov sodium thiab chloride ions sib nrug, rhuav cov ionic bond uas tuav lawv ua ke.
Pom zoo:
Ccl4 puas yuav yaj hauv dej?
Carbon tetrachloride, tseem paub los ntawm ntau lwm lub npe yog cov organic compound nrog cov tshuaj formula CCl₄. Nws yog cov kua xim tsis muaj xim nrog cov ntxhiab tsw "qab zib" uas tuaj yeem kuaj pom ntawm qib qis. Nws yog xyaum tsis flammable ntawm qhov kub thiab txias.
Puas yog lipophilic yaj hauv dej?
Cov kuab tshuaj uas tsis yog-polar no yog lawv tus kheej lipophilic (txhais tias "fat-loving" lossis "fat-like" - axiom uas dissolves. … Yog li lipophilic tshuaj zoo li dej tsis txaus. YPuas lipophilic txhais li lipid soluble?
Puas yog kev yaj ntsev hauv dej puas hloov lub cev?
Piv txwv li ntsev yaj hauv dej feem ntau suav tias yog a lub cev hloov pauv, txawm li cas los xij cov hom tshuaj hauv ntsev (hydrated sodium thiab chlorine ions) txawv ntawm hom hauv ntsev. Vim li cas cov ntsev yaj hauv dej hloov tshuaj?
Koj puas tuaj yeem ua luam dej hauv pas dej hauv tsev?
Nrog cov dej num xws li kev noj mov, ua luam dej, ntaus pob thiab nuv ntses, lub tiaj ua si yog nrov rau tsev neeg sib sau ua ke thiab lwm yam txheej xwm loj. Stillhouse Hollow Lake tau tsim los ntawm US Army Corps of Engineers nrog kev tsim kho Stillhouse Hollow Dam hauv xyoo 1968.
Puas cov uas tsis yog cov yaj yaj hauv qhov cub?
Quins yog qhov lom zem heev uas tuaj yeem ua ntau yam duab, qhov ntau thiab tsawg, thiab xim. Lawv kuj hu ua Sequins lossis Qab Zib Shapes thiab siv los kho cov khoom ci. Lawv tsis ua hauj lwm zoo heev rau ci nrog, raws li lawv yuav yaj thiab plam lawvcov duab lom zem.
