Puas yog cawv cawv thiab ethanol tib yam?
Puas yog cawv cawv thiab ethanol tib yam?

Video: Puas yog cawv cawv thiab ethanol tib yam?

Video: Puas yog cawv cawv thiab ethanol tib yam?
Video: tswv huas tus yawm yij qaug kawg thiab tub nyab cawv hu nkauj rau cov niam tsev las voos 2024, Lub Xya hli ntuj
Anonim

Ethanol yog ib qho xim tsis muaj xim, flammable, me ntsis tshuaj lom tshuaj lom neeg. Ethanol yog siv hauv feem ntau ntawm cov cawv dej haus. Feem ntau ntawm lub sijhawm ethanol hu ua cawv . Ethanol kuj hu ua ethyl cawv yog flamable, tsis muaj xim, thiab me ntsis tshuaj lom.

Tsis tas li, puas yog ethanol tib yam li cawv?

Ethanol (C2H6O), cov cawv hauv cawv dej haus, qee zaum tsuas yog hu ua " cawv . " Isopropyl cawv (C3H8O) yog siv los ua hnyav lossis roj. Ethanol tsim tawm rau lwm lub hom phiaj tsis yog haus yuav muaj cov tshuaj ntxiv thiab yuav tsum tsis txhob haus.

Ib yam nkaus, puas yog cawv cawv tsis zoo rau tawv nqaij? Cov ntaub ntawv tshawb fawb qhia pom txawm tias qhov siab ntawm cawv (50–95% ethanol ) tsis ua rau tawv nqaij ua kom qhuav, ua xua lossis ua xua, thiab tsis nkag mus rau hauv tawv nqaij . Cawv kev siv ntau hauv kev tu tawv nqaij ntuj yog ntau zaus qis dua, uas qhia tias cawv hauv cov khoom kom zoo nkauj muaj kev nyab xeeb rau tawv nqaij.

Ib yam li ntawd, tib neeg nug, ethyl cawv puas nyab xeeb haus?

Ethyl Cawv , los yog ethanol (C2H5OH), yog hom siv hauv kev tsim khoom cawv dej haus. Lwm peb hom, methyl, propyl thiab butyl cawv , yog tias noj tuaj yeem ua rau dig muag thiab tuag, txawm tias nyob hauv cov koob tshuaj me me. Cawv , los yog ethanol , yog tus neeg sawv cev qaug cawv pom hauv npias, cawv thiab cawv.

Puas yog ethanol tib yam li ethyl acetate?

Ethyl acetate hmoov yog ester ntawm ethanol thiab acetic acid; nws yog tsim nyob rau hauv ib tug loj scale siv raws li ib tug hnyav.

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