Tus qauv ntawm ethanol yog dab tsi?
Tus qauv ntawm ethanol yog dab tsi?

Video: Tus qauv ntawm ethanol yog dab tsi?

Video: Tus qauv ntawm ethanol yog dab tsi?
Video: Kev hlub yog dab tsi Nquab Tsab 2020 2024, Cuaj hlis
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C2H5OH

Qhov tseeb, cawv yog dab tsi?

Hauv chemistry, cawv yog cov organic sib txuas uas nqa tsawg kawg ib pab pawg ua haujlwm hydroxyl (−OH) khi rau cov pa roj carbon saturated. Lub sij hawm cawv xub xub xa mus rau thawj cawv ethanol (ethyl ua cawv ), uas yog siv ua tshuaj thiab yog lub hauv paus cawv nthuav qhia hauv cawv dej haus.

Ib sab saum toj no, kev ua haujlwm ntawm ethanol yog dab tsi? Ethanol yog ib qho tseem ceeb muaj tshuaj lom neeg; nws yog siv los ua hnyav, hauv kev sib xyaw ntawm lwm cov tshuaj organic, thiab ntxiv rau cov roj av tsheb (tsim kev sib xyaw hu ua gasohol). Ethanol kuj tseem yog cov tshuaj ua kom muaj cawv ntau xws li npias, cawv, thiab cawv cawv.

Tom qab ntawd, qhov xwm txheej ntawm ethanol yog dab tsi?

Khoom. Ntshiab ethanol yog cov nplaim hluav taws, tsis muaj xim tsis muaj xim nrog lub rhaub dej kub ntawm 78.5 ° C. Nws qhov qis qis ntawm -114.5 ° C tso cai rau nws siv rau hauv cov khoom ua kom khov. Nws muaj cov ntxhiab tsw ntxhiab tsw qab ntawm whiskey. Nws qhov ceev yog 789 g/l txog 20% tsawg dua li cov dej.

Dab tsi yog ethanol soluble hauv?

Ethanol yog cov kuab tshuaj ntau yam, miscible nrog dej thiab nrog ntau cov kuab tshuaj organic, suav nrog acetic acid, acetone, benzene, carbon tetrachloride, chloroform, diethyl ether, ethylene glycol, glycerol, nitromethane, pyridine, thiab toluene.

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