Combustion yog cov tshuaj tiv thaiv oxidation uas ua rau cov cua sov, thiab nws yog li ntawd ib txwm exothermicTxhua yam tshuaj lom neeg ua ntej tawg cov ntawv cog lus thiab tom qab ntawd ua cov tshiab los tsim cov ntaub ntawv tshiab. … Yog hais tias lub zog tso tawm los ntawm cov ntawv cog lus tshiab ntau dua li lub zog xav tau los rhuav tshem cov ntawv cog lus qub, cov tshuaj tiv thaiv yog exothermic.
Puas combustion ib txwm exothermic?
Cov tshuaj tiv thaiv combustion yog yuav luag ib txwm exothermic(piv txwv li, lawv muab cov cua sov). Piv txwv li thaum ntoo hlawv, nws yuav tsum ua li ntawd nyob rau hauv lub xub ntiag ntawm O2 thiab ntau tshav kub yog tsim: Ntoo thiab ntau yam khoom uas combust yog organic (piv txwv li, lawv yog ua los ntawm carbon, hydrogen thiab oxygen).
Vim li cas combustion exothermic GCSE?
Thaum muaj tshuaj lom neeg tshwm sim, lub zog xa mus rau lossis los ntawm ib puag ncigThaum lub zog xa mus rau ib puag ncig, qhov no hu ua cov tshuaj tiv thaiv exothermic, thiab qhov kub ntawm qhov chaw ib puag ncig. nce. Piv txwv ntawm exothermic cov tshuaj tiv thaiv muaj xws li: combustion reactions.
Puas combustion exothermic lossis endothermic piav?
Combustion as an Exothermic Reaction Txhua yam kev sib combustion yog exothermic tshua. Thaum lub sij hawm combustion cov tshuaj tiv thaiv, ib yam khoom kub hnyiab raws li nws ua ke nrog oxygen. Thaum cov khoom kub hnyiab, lawv feem ntau muab lub zog ua kom sov thiab lub teeb.
Vim li cas enthalpy hloov ntawm combustion yog ib txwm exothermic?
Yuav muaj yim daim ntawv cog lus hauv cov reactants thiab yim hauv cov khoom, yog li yog tias qhov nruab nrab enthalpy ib daim ntawv cog lus siab dua hauv cov reactants, cov tshuaj tiv thaiv yog exothermic.
