2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Hauv Carius txoj kev kwv yees ntawm halogen, 0.15 g ntawm cov organic compound muab 0.12 g ntawm AgBr. Tshawb nrhiav qhov feem pua ntawm bromine hauv qhov sib xyaw. Tab sis qhov ntau npaum li cas ntawm bromine muaj nyob rau hauv 0.15 g ntawm cov organic compound. ∴ Feem pua ntawm bromine=80188 × 0.120.15 × 100=34.04.
Carius txoj kev kwv yees ntawm halogen yog dab tsi?
Txoj Kev Carius halogen hauv kev tshuaj ntsuam chemistry yogtxoj hauv kev rau kev txiav txim siab ntau ntawm halogens hauv tshuaj lom neeg. Ib tug paub loj ntawm cov organic compound yog rhuab nrog fuming nitric acid nyob rau hauv lub xub ntiag ntawm silver nitrate muaj nyob rau hauv ib tug nyuaj iav raj hu ua carius raj, nyob rau hauv lub cub tawg.
Cov ntsiab lus twg yuav kwv yees hauv Carius txoj kev?
Solution: Halogen yog kwv yees los ntawm txoj kev carius.
Koj suav li cas bromine feem pua?
Cov feem pua ntawm bromine hauv cov compound yog: (atomic mass Ag=108; Br=80) A. 24.
Koj suav halogen li cas?
Kev kwv yees ntawm halogens
- 1) Txoj Kev Carius. …
- % ntawm Br=73.36 % Ans. …
- % ntawm kuv=81.41 % Ans. …
- % ntawm chlorine=88.80% Ans. …
- % ntawm C=22.01 % Ans. …
- % ntawm H=4.58 % Ans. …
- % ntawm Bromine=73.39 Ans.
Pom zoo:
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.
Puas tau kwv yees lossis tau kwv yees?
Txawm hais tias ob leeg siv, forecast yog daim ntawv nyiam . Kev kwv yees yog ib qho lus qhia tsis xwm yeem, txhais tau hais tias nws cov ntawv yav dhau los yav dhau los Cov ntawv preterite lossis preterit (/ˈprɛtərɪt/; abbreviated PRET los yog PRT) yog ib daim ntawv grammatical tense lossis verb form ua haujlwm rau denote cov xwm txheej uas tshwm sim lossis ua tiav hauv yav dhau los.
Kev ceeb toom hauv txoj kev ntawm txoj kev hla kev?
Yog siv, Lub Teeb Ceeb Toom Hauv Txoj Kev yuav tsum muab tso rau hauv thaj chaw nruab nrab ntawm sab nraud ntawm txoj kab hla kevthiab 3 m (10 ft) ntawm ntug sab nraud ntawm kev hla kev. Nyob rau hauv txoj kev ceeb toom teeb yuav tsum fim deb ntawm txoj kev crosswalk yog unidirectional, los yog yuav tsum fim deb ntawm thiab hla txoj kev hla yog bidirectional.
Vim li cas cov phiaj xwm tseem ceeb siv rau hauv kev siv nyiaj txiag thiab kev kwv yees?
Lub Rooj Milestones yog ib qho tseem ceeb tshaj plaws hauv koj txoj kev npaj ua lag luam. Nws teeb txoj kev npaj rau hauv cov tswv yim, cov ntsiab lus tseem ceeb, nrog cov peev txheej tiag, hnub kawg, thiab kev tswj xyuas lub luag haujlwm. Nws pab koj ua kom pom tseeb thaum koj tab tom sau koj txoj kev npaj ua lag luam, thiab tom qab ntawd, cov lus Milestones thiab cov phiaj xwm-vs.
Nyob hauv lub voj voog tub yees qhov ntws ntawm cov tub yees yog tswj los ntawm?
CompressorNws txoj haujlwm yog los tswj cov dej ntws ntawm cov tub yees los ntawm kev ua lub cev muaj zog thiab lub twj tso kua mis. Qhov no tso cai rau nws kom pressurize lub tub yees thiab txo nws cov ntim. Muaj tsib hom compressors siv nyob rau hauv ob qho tib si coj mus muag thiab domestic tub yees.
