Thaum lub sijhawm muaj kev kub ntxhov, lub zog raug muab tawm tas li, feem ntau nyob rau hauv daim ntawv ntawm tshav kub. Txhua qhov kev tawm tsam combustion yog cov tshuaj tiv thaiv exothermic. Thaum lub sij hawm combustion, ib yam khoom kub hnyiab raws li nws ua ke nrog oxygen, tso lub zog nyob rau hauv daim ntawv ntawm tshav kub thiab lub teeb.
3 qhov kev tawm tsam sab nraud yog dab tsi?
Piv txwv ntawm cov tshuaj tiv thaiv exothermic suav nrog cov tshuaj tiv thaiv combustion, cov tshuaj tiv thaiv oxidation (xws li xeb), thiab theem hloov ntawm cov kua mus rau lub xeev ruaj khov
- yuav ua li cas combustion.
- a neutralization tshuaj tiv thaiv.
- xeb hlau (xeb steel ntaub plaub nrog vinegar)
- thermite tshuaj tiv thaiv.
- tshuaj tiv thaiv ntawm dej thiab calcium chloride.
Yuav ua li cas cov tshuaj tiv thaiv exothermic?
Exothermic reactions: Khaub tawm .2) Rain: Condensation of water vapor into rain release energy in the heat is an example of exothermic. txheej txheem.
5 qhov kev tawm tsam sab nraud yog dab tsi?
Ntawm no yog qee qhov piv txwv ntawm cov tshuaj tiv thaiv exothermic:
- Kev ua ib lub thawv dej khov. Ua cov dej khov nab kuab yog txheej txheem ntawm cov kua hloov nws lub xeev mus rau cov khoom. …
- daus tsim hauv huab. …
- Kub tswm ciab. …
- Xov tooj cua. …
- Kub qab zib. …
- Tsim cov ion khub. …
- Reaction ntawm Cov kua qaub thiab dej. …
- Dej thiab calcium chloride.
Qhov twg yogExothermic Quizlet?
Txhua qhov kev tawm tsam combustion yog exothermic. Yuav ua li cas rau lub zog nyob rau hauv ib tug endothermic cov tshuaj tiv thaiv? Lub zog tso tawm hauv cov tshuaj tiv thaiv endothermic ib txwm tsawg dua li lub zog xav tau. Muab ib qho piv txwv ntawm qhov sib npaug endothermic tshuaj tiv thaiv.
