2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Acetone yog tus tswv cuab tsawg tshaj plaws ntawm pawg ketone, qhov acetaldehyde yog tus tswv cuab tsawg tshaj plaws ntawm pawg aldehyde. Qhov sib txawv tseem ceeb ntawm Acetaldehyde thiab Acetone yog cov pa roj carbon atoms hauv cov qauv; acetone muaj peb Carbon atoms, tab sis acetaldehyde tsuas muaj ob carbon atoms.
Acetaldehyde hloov mus ua acetone li cas?
Txhawm rau hloov acetaldehyde rau acetone, nws yog thawj zaug tshwm sim nrog cov pa thiab ua rau tsim cov kua qaub piv txwv li nws nkag mus rau oxidation thiab tom qab ntawd, cov kua qaub thiaj li tsim tau rau hnov mob nrog calcium hydroxide thiab cov compound thiaj li tsim thaum rhuab, tshwm sim nyob rau hauv tsim ntawm cov khoom kawg piv txwv li cov acetone …
Kev ntsuas twg yog siv los paub qhov txawv acetone thiab acetaldehyde?
Kev daws 1
Tollens 'reagent test : Acetaldehyde ua ib qho aldehyde txo Tollens 'reagent rau ci iav nyiaj, whereas propanone ua acetone tsis.
tshuaj lub npe rau acetone yog dab tsi?
Acetone ( CH3COCH3), kuj hu ua 2-propanone lossis dimethyl ketone, organic hnyav ntawm kev lag luam thiab tshuaj tseem ceeb, qhov yooj yim thiab tseem ceeb tshaj plaws ntawm aliphatic (fat-derived) ketones. Ntshiab acetone yog xim tsis muaj xim, me ntsis aromatic, flammable, mobile kua uas boils ntawm 56.2 ° C (133 ° F).
Koj puas tuaj yeem haus acetone?
Qhov Tseeb 4: Kev haus acetone yuav ua rau koj tsis xav li ntawdzoo tsis muaj ntxiv. Fisher Scientific's MSDS muab cov teebmeem hauv qab no rau acetone: Kev noj haus: Tej zaum yuav ua rau mob plab hnyuv nrog xeev siab, ntuav thiab raws plab. Tej zaum yuav ua rau lub cev toxicity nrog acidosis.
Pom zoo:
Puas yog acetone tib yam?
Tsis yog tag nrho '100%' acetone yog ua tib yam. … Qhov tseeb, lawv txawv ntawm lawv cov purities (99.50% txog 99.99%) thiab cov ntsiab lus ntawm impurities (cov uas ua rau lwm tus 0.01% txog 0.50%). Puas muaj ntau hom acetone? Muaj peb qib dav dav ntawm acetone purity;
Puas yog cov tib neeg ntawm ib hom niaj hnub no txawv dua li cov tib neeg ntawm tib hom?
Puas yog cov tib neeg ntawm ib hom niaj hnub no zoo li txawv dua li cov tib neeg ntawm tib hom tau ntau tiam dhau los? … Yog, txhua tus neeg tuaj yeem hloov pauv me ntsis thiab dhau qhov kev hloov pauv rau lawv cov xeeb ntxwv. Puas muaj qhov sib txawv ntawm cov tib neeg ntawm tib hom?
Thaum ib yam khoom uas tsis yog tib neeg muab rau tib neeg tus yam ntxwv?
Personification yog qhov tshwm sim ntawm tib neeg cov yam ntxwv, yam ntxwv, lossis kev coj tus cwj pwm rau cov tsis yog tib neeg, yog tsiaj txhu, yam tsis muaj sia, lossis txawm tias cov ntsiab lus tsis muaj tseeb. Qhov twg hauv qab no muab tib neeg yam ntxwv rau yam tsis yog tib neeg?
Puas yog kev tsis sib haum xeeb ntawm tus kheej thiab kev puas siab puas ntsws tib yam?
"Sociopath" yog ib lo lus tsis raug cai los piav txog tus neeg uas muaj kev tsis sib haum xeeb ntawm tus kheej (ASPD), qhov kev puas siab puas ntsws piav qhia txog cov cwj pwm ntawm tus kheej. Txawm li cas los xij, ASPD thiab psychopathy tuaj yeem sib tshooj.
Puas yog bing thiab grondahl thiab huab tais copenhagen tib yam?
Txawm li cas los xij, lawv tseem txuas ntxiv nrog B&G hauv xiav mus txog thiab suav nrog xyoo 1947. Lub Hoobkas cim cim Bing & Grondahl qhov kev sib txuas rau Copenhagen thiab peb lub yees tau ua ib qho kev sib txuas nrog Bing & Grondahl tib yam li peb nthwv dej tau dhau los ua qhov sib txawv nrog Royal Copenhagen.
