Ethyl cawv, tseem hu ua ethanol, yog qhov paub zoo tshaj plaws alcohol Nws yog hom cawv uas tib neeg haus cawv. Cov qauv tshuaj ntawm ethanol yog C2H5OH. Ethyl cawv yog ib txwm tsim los ntawm cov poov xab thaum lawv ferment qab zib.
Qhov txawv ntawm ethanol thiab ethyl cawv yog dab tsi?
Ethyl cawv lossis ethanol yog ib hom cawv ntau. Nws tseem hu ua haus cawv vim nws muaj nyob rau hauv ntau hom dej haus. … Qhov sib txawv tseem ceeb ntawm cov ntsiab lus ethyl cawv thiab ethanol yog uas ethyl cawv yog lub npe nrov whereas ethanol yog lub npe IUPAC muab rau tib lub ntsiab lus
Puas ethanol tseem hu ua ethyl cawv?
ethanol, tseem hu ua ethyl cawv, cawv cawv, lossis cawv , ib tug tswv cuab ntawm chav kawm ntawm cov organic tebchaw uas tau muab lub npe dav dav cawv; nws cov mis molecular yog C2H5OH. … Ethanol kuj yog cov khoom muaj zog ntawm ntau yam dej cawv xws li npias, cawv, thiab cawv.
Dab tsi yog qhov txawv ntawm ethyl cawv thiab isopropyl cawv ntxuav tes?
Ethanol yog lub cev qhuav dej ntau dua, thiab peb tuaj yeem hnov tias thaum peb siv ntawm peb cov tawv nqaij. Nws tuaj yeem ua rau peb cov tawv nqaij nruj thiab qhuav. Isopropyl cawv evaporates sai dua, tab sis nws tsis qhuav peb ob txhais tes ua phem heev. (Qhov tib yam evaporation nrawm dua yog vim li cas peb siv cawv los ntxuav cov khoom siv hluav taws xob.)
Puas ethanol muaj zog dua li cawv?
Isopropyl cawv muaj txiaj ntsig tiv thaiv kab mob xws li FCV ntawm 40% - 60% concentrations. Ethanol txawm li cas los xij, yog qhov ua tau zoo dua ntawm 70% - 90% concentrations tawm tsam FCV.
