2024 Tus sau: Luke Adderiy | [email protected]. Kawg hloov kho: 2024-01-10 19:34
Ib lub cev khoom yog ib yam ntawm cov khoom uas tuaj yeem soj ntsuam lossis ntsuas yam tsis hloov tus kheej ntawm cov khoom. Lub cev muaj xws li xim, ntom, hardness, thiab melting thiab boiling cov ntsiab lusCov khoom siv tshuaj piav qhia txog lub peev xwm ntawm ib yam khoom los hloov pauv tshuaj lom neeg.
Lub cev thiab tshuaj lom neeg ntawm txhua lub ntsiab yog dab tsi?
Cov piv txwv paub ntawm lub cev muaj xws li ntom, xim, hardness, melting thiab boiling point, thiab hluav taws xob conductivity. … Piv txwv ntawm cov khoom siv tshuaj muaj xws li flammability, toxicity, acidity, thiab ntau lwm yam reactivity.
7 tshuaj muaj dab tsi?
Ntawm no yog qee qhov piv txwv ntawm cov khoom siv tshuaj:
- Reactivity nrog lwm cov tshuaj.
- Txoj kev phem.
- coordination number.
- Flammability.
- Enthalpy of formation.
- Kub kub combustion.
- Oxidation xeev.
- tshuaj ruaj khov.
5 yam tshuaj muaj dab tsi?
Piv txwv ntawm cov tshuaj muaj xws li flammability, toxicity, acidity, reactivity (ntau hom), thiab kub ntawm combustion. Hlau, piv txwv li, ua ke nrog oxygen nyob rau hauv lub xub ntiag ntawm dej los ua xeb; chromium tsis oxidize (Daim duab 2).
Yuav ua li cas yog tshuaj lom neeg?
Ib yam khoom muaj tshuaj lom neeg yog ib yam ntxwv ntawm ib yam khoom uas tuaj yeem pom hauv tshuaj tiv thaiv. Qee yam tshuaj lom neeg muaj xws li flammability, toxicity, kub ntawm combustion, pH nqi, tus nqi ntawm radioactive decay, thiab tshuaj stability.
Pom zoo:
Puas yog centrifuging hloov pauv lub cev lossis tshuaj lom neeg?
CENTRIFUGING yog txheej txheem ntawm kev sib cais tshem tawm cov khoom los ntawm cov kua los ntawm nplawm qhov sib tov ntawm kev kub ceev. SUBLIMATION yog cov cuab yeej ntawm lub cev ntawm qee yam khoom kom dhau ncaj qha los ntawm cov khoom hauv lub xeev mus rau lub xeev gaseous yam tsis muaj lub cev ua kua .
Tus neeg sawv cev oxidizing thiab txo tus neeg sawv cev yog dab tsi?
Tus neeg sawv cev oxidizing yog ib yam khoom uas ua rau oxidation los ntawm kev txais electrons; Yog li ntawd, nws lub xeev oxidation txo. Tus neeg sawv cev txo qis yog ib yam khoom uas ua rau txo qis los ntawm kev poob electrons; yog li ntawd nws lub xeev oxidation nce .
Lub sijhawm twg ntawm lub sijhawm tom qab lub cev puas tsuaj lub cev ua paug nrog roj?
Theem 1: Tshiab - kwv yees li ib nrab ntawm lub cev qhia cov cim ntawm kev ua neej thiab tsis muaj kab. Stage 2: Thaum Ntxov Decomposition - Cov kab mob loj hlob thoob plaws hauv lub cev, tso pa tawm, suav nrog cadaverine, uas ua rau lub cev ua rau lub cev thiab ua rau muaj ntxhiab tsw .
Qhov txawv ntawm lub cev thiab tshuaj lom neeg yog dab tsi?
lub cev khoom: Txhua yam yam ntxwv uas tuaj yeem txiav txim tau yam tsis hloov pauv cov tshuaj lom neeg tus kheej. Cov khoom siv tshuaj lom neeg: Txhua tus yam ntxwv uas tuaj yeem txiav txim tau tsuas yog los ntawm kev hloov cov khoom siv molecular .
Puas luster yog lub cev lossis tshuaj lom neeg?
Lub Lub cev muaj zog ntawm kub yog cov yam ntxwv uas tuaj yeem soj ntsuam yam tsis hloov cov tshuaj mus rau lwm yam khoom. Lub cev lub cev feem ntau yog cov uas tuaj yeem pom tau siv peb qhov kev xav xws li xim, luster, khov taw tes, boiling point, melting point, ntom, hardness thiab tsw .