Video: Lub npe tshuaj ntawm ch2oh H yog dab tsi?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Hydroxymethyl
Cov npe | |
---|---|
IUPAC npe Hydroxymethyl | |
Cov cim | |
CAS Nr | 2597-43-5 |
3D qauv (JSmol) | Sib tham sib duab |
Ces, lub npe hu li cas?
Tsis muaj molecule nrog cov qauv CH 2 OH . Hauv cov organic Chemistry txawm li cas los xij, nws muaj ib qho npe Tom ntej: Hydroxymethyl
Tsis tas li ntawd, dab tsi ua haujlwm pab pawg yog ch2oh? 24 Daim Npav hauv Cov Txheej Txheem no
Lub npe no Functional Group: R-CH3 | Alkane (lub ntsiab lus nws tsuas muaj ib daim ntawv cog lus xwb) Suffix -ane |
---|---|
Lub npe no Functional Group: R-CH2OH | Thawj Tswj Hwm Cwj Pwm: -ol |
Lub npe no Functional Group: R2-CHOH | Secondary Alcohol Suffix: -ol |
Lub npe no ua haujlwm pab pawg: R3-C-OH | Tertiary Alcohol Suffix: -ol |
Hais txog qhov no, ch2oh sawv rau dab tsi hauv chemistry?
A/S organic cawv
A | B |
---|---|
CH3. CH2. CH2OH hu ua | propan-1-ol |
CH3. CH2. CH2. CH2. OH hu ua | Butan-1-ol |
CH3. CHOH. CH3 npe | propan-2-ol |
CH3. CHOJ. CH2. CH3. | Butan-2-ol |
Lub npe tshuaj ch3oh yog dab tsi?
Methanol
Pom zoo:
Lub npe ntawm lub tsev txhab nyiaj hauv peb lub zej zog yog dab tsi?
Cov tsev tso nyiaj, uas feem ntau tsuas yog hu ua cov txhab nyiaj, tau muab cais raws li qhov vim tias lawv cov peev txheej tseem ceeb yog kev tso nyiaj ntawm cov neeg khaws nyiaj. Lawv cov nyiaj khaws cia tau raug pov hwm los ntawm Tsoom Fwv Teb Chaws Pov Hwm Pov Hwm Pov Hwm (FDIC) txog qee qhov kev txwv
Lub npe dab tsi tau muab rau Wall Street kev sib tsoo ntawm 29th Lub Kaum Hli 1929 tseem hu ua kev lag luam poob ntawm xyoo 1929 uas ua rau muaj Kev Nyuaj Siab Loj nyob rau xyoo 1930 Kev Nyuaj Siab Loj yog lub ntiaj teb loj heev
Kev Nyuaj Siab Loj tau pib hauv Tebchaws Meskas tom qab muaj kev poob loj hauv cov nqi khoom lag luam uas pib thaum lub Cuaj Hlis 4, 1929, thiab tau dhau los ua xov xwm thoob ntiaj teb nrog kev lag luam lag luam poob ntawm Lub Kaum Hli 29, 1929, (lub npe hu ua Dub Tuesday). Nyob nruab nrab ntawm 1929 thiab 1932, thoob ntiaj teb cov khoom lag luam thoob ntiaj teb (GDP) poob los ntawm kwv yees li 15%
Lub npe thiab lub npe ntawm tus neeg saib xyuas FDA yog dab tsi?
Cov neeg ua haujlwm. Stephen Hahn, MD Tus Thawj Saib Xyuas Khoom Noj thiab Tshuaj Hauv Tebchaws Meskas yog tus thawj coj ntawm Food and Drug Administration (FDA), lub koom haum ntawm Tebchaws Meskas Lub Tsev Haujlwm Saib Xyuas Kev Noj Qab Haus Huv thiab Tib Neeg. Tus thawj coj raug xaiv los ntawm Thawj Tswj Hwm ntawm Tebchaws Meskas nrog cov lus qhia thiab kev pom zoo los ntawm Senate
Lub npe ntawm lub koom haum tsim cai lij choj ntawm medieval Fabkis yog dab tsi?
Fabkis Parliament (Fabkis: Parlement français) yog tus tsim cai lij choj bicameral ntawm Fabkis koom pheej, suav nrog Senate (Sénat) thiab National Assembly (Assemblée nationale)
Dab tsi yog qhov txawv ntawm cov saw ntawm lub npe thiab cov ntsiab lus ntawm lub npe?
Ib daim ntawv tso cai muaj cov npe ntawm txhua tus neeg uas tau txais lub npe rau ib qho khoom. Ib txoj hlua ntawm kev tshawb nrhiav lub npe tuaj yeem nthuav tawm me me lossis loj tawg hauv cov saw hlau. Ib qho kev paub daws teeb meem ntawm lub npe suav nrog cov ntaub ntawv los ntawm deeds, mortgages, easements, and debts to provide a condensed history of the title