Cov txheej txheem:

Cov kev soj ntsuam soj ntsuam dab tsi qhia tias muaj kev hloov tshuaj lom neeg tshwm sim?
Cov kev soj ntsuam soj ntsuam dab tsi qhia tias muaj kev hloov tshuaj lom neeg tshwm sim?

Video: Cov kev soj ntsuam soj ntsuam dab tsi qhia tias muaj kev hloov tshuaj lom neeg tshwm sim?

Video: Cov kev soj ntsuam soj ntsuam dab tsi qhia tias muaj kev hloov tshuaj lom neeg tshwm sim?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Kev soj ntsuam uas qhia txog kev hloov tshuaj tshwm sim muaj xws li xim hloov , kub hloov , lub teeb muab tawm, tsim ntawm npuas, tsim ntawm precipitate, thiab lwm yam.

Ib yam li ib tug yuav nug, peb qhov kev soj ntsuam yog dab tsi uas yuav qhia tau tias muaj tshuaj lom neeg tshwm sim?

Hauv qab no tuaj yeem qhia tias a tshuaj hloov tau tshwm sim , txawm hais tias qhov pov thawj no tsis yog qhov tseeb: Hloov cov ntxhiab tsw. Hloov cov xim (piv txwv li, nyiaj rau reddish-xim av thaum hlau xeb). Hloov hauv qhov kub lossis lub zog, xws li kev tsim khoom (exothermic) lossis poob (endothermic) ntawm tshav kub.

Qhov thib ob, 5 cov cim qhia txog kev hloov tshuaj lom neeg yog dab tsi? Qee cov cim qhia txog kev hloov tshuaj lom neeg yog kev hloov hauv xim thiab tsim cov npuas. Tsib yam xwm txheej ntawm kev hloov tshuaj lom neeg: xim chage, formation of ib precipitate, formation of a gas , tsw hloov, kub hloov.

Tom qab ntawd, dab tsi qhia txog kev hloov lub cev?

Kev hloov ntawm lub cev yog kev hloov cuam tshuam rau daim ntawv ntawm cov tshuaj, tab sis tsis yog nws cov tshuaj muaj pes tsawg leeg. Piv txwv ntawm lub cev cov khoom muaj xws li melting, hloov mus rau ib qho roj, hloov ntawm lub zog, hloov ntawm durability, kev hloov mus rau crystal daim ntawv, textural hloov , puab, loj, xim, ntim thiab ntom.

Koj ua li cas thiaj paub tias muaj tshuaj lom neeg tshwm sim?

Cov hauv qab no yog cov cim qhia txog kev hloov tshuaj lom neeg:

  1. Hloov hauv Kub.
  2. Hloov hauv Xim.
  3. Cov ntxhiab tsw ntxhiab (tom qab pib qhov tshwm sim)
  4. Tsim ib tug Precipitate.
  5. Tsim cov npuas.

Pom zoo: