Cov txheej txheem:

Cov kev hloov ntawm lub cev txawv ntawm cov tshuaj hloov pauv li cas muab ib qho piv txwv ntawm txhua tus?
Cov kev hloov ntawm lub cev txawv ntawm cov tshuaj hloov pauv li cas muab ib qho piv txwv ntawm txhua tus?

Video: Cov kev hloov ntawm lub cev txawv ntawm cov tshuaj hloov pauv li cas muab ib qho piv txwv ntawm txhua tus?

Video: Cov kev hloov ntawm lub cev txawv ntawm cov tshuaj hloov pauv li cas muab ib qho piv txwv ntawm txhua tus?
Video: Saib Mis paub Poj niam (hluas nkauj) tus yam ntxwv lub siab 2024, Kaum ib hlis
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A tshuaj hloov tau los ntawm a tshuaj tshuaj tiv thaiv, thaum a hloov lub cev yog thaum tseem ceeb kev hloov cov ntawv tab sis tsis yog tshuaj tus kheej. Piv txwv ntawm tshuaj hloov pauv yog hlawv, ua noj, xeb, thiab rotting. Piv txwv ntawm kev hloov ntawm lub cev yog boiling, melting, freezing, thiab shredding.

Ua li no, qhov txawv ntawm lub cev thiab tshuaj hloov pauv yog dab tsi?

Cov qhov sib txawv ntawm ib lub cev tshuaj tiv thaiv thiab a tshuaj tshuaj tiv thaiv yog muaj pes tsawg leeg. Hauv ib tshuaj tshuaj tiv thaiv, muaj ib hloov nyob rau hauv muaj pes tsawg leeg ntawm cov tshuaj nyob rau hauv nqe lus nug; hauv a hloov lub cev muaj ib txawv nyob rau hauv tsos, tsis hnov tsw, los yog yooj yim tso saib ntawm ib tug qauv ntawm cov teeb meem tsis muaj a hloov nyob rau hauv muaj pes tsawg leeg.

Tom qab ntawd, lo lus nug yog, qhov txawv ntawm lub cev thiab tshuaj hloov pauv rau cov menyuam yaus yog dab tsi? Hauv kev hloov tshuaj , ib yam khoom tshiab yog tsim, zoo li thaum koj hlawv tswm ciab. Hauv kev hloov ntawm lub cev , tsis muaj cov khoom tshiab tsim, zoo li thaum dej tig mus rau dej khov.

Tom qab ntawd, lo lus nug yog, 3 qhov sib txawv ntawm lub cev thiab tshuaj hloov pauv li cas?

Hauv ib hloov lub cev , cov molecules yog rearranged thaum lawv muaj pes tsawg leeg tseem zoo ib yam. Hauv ib tshuaj hloov , molecular muaj pes tsawg leeg ntawm ib yam khoom kiag li kev hloov thiab ib qho khoom tshiab raug tsim. Ib qho piv txwv ntawm lub cev hloov ua khov ntawm dej, yaj ntawm wax, ua ntawm dej, etc.

10 chemical pauv piv txwv yog dab tsi?

Kaum piv txwv ntawm kev hloov tshuaj lom neeg yog:

  • Hlawv cov thee, ntoo, ntawv, kerosene, thiab lwm yam.
  • Tsim cov curd los ntawm mis nyuj.
  • Electrolysis ntawm dej los tsim hydrogen thiab oxygen.
  • Rusting ntawm hlau.
  • Kev tawg ntawm cracker.
  • Ua noj ua haus.
  • Kev zom zaub mov.
  • Germination ntawm noob.

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