Video: Dab tsi yog Dalton hauv chemistry?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lub npe tom qab: John Dalton
Cov lus nug tseem yog, Dalton's atomic theory yog dab tsi?
Dalton's atomic txoj kev xav tau hais tias txhua qhov teeb meem yog tsim los ntawm atoms , indivisible thiab indestructible tsev blocks. Thaum tag nrho atoms ntawm ib lub ntsiab yog zoo tib yam, txawv cov ntsiab lus muaj atoms ntawm txawv qhov loj thiab loj.
Ib yam li ntawd, Daltons 5 lub hauv paus ntsiab lus yog dab tsi? 1) Cov ntsiab lus yog ua los ntawm indivisible atoms. 2) Tag nrho cov atoms ntawm tib lub caij muaj tib lub zog thiab tib lub zog. 3) Cov tshuaj yog tsim los ntawm atoms ntawm cov khoom sib txawv ua ke. 4) Cov tshuaj lom neeg muaj feem cuam tshuam txog kev tsim kho ntawm cov atoms. 5 ) Atoms tsis tuaj yeem tsim lossis rhuav tshem.
Yog li ntawd, Dalton qhov kev sim yog dab tsi?
Dalton qhov kev sim ntawm gases coj mus rau nws nrhiav pom tias tag nrho cov siab ntawm ib tug sib tov ntawm gases npaum li cas rau cov sum ntawm ib feem ntawm lub siab uas txhua tus neeg gas exerted thaum nyob rau tib qhov chaw. Nyob rau hauv 1803 no scientific txoj cai officially tuaj mus rau lub npe hu ua Dalton tus Txoj Cai Ntawm Ib Feem Siab.
Dab tsi yog 5 lub tswv yim tseem ceeb ntawm Dalton txoj kev xav?
Cov ntsiab lus hauv cov teeb no ( 5 ) Cov tshuaj muaj xws li cov atoms ntawm ntau tshaj 1 lub caij. Tus txheeb ze tus lej ntawm atoms ntawm txhua lub ntsiab lus hauv ib qho chaw muab yog ib txwm zoo ib yam. Cov tshuaj tiv thaiv tsuas yog cuam tshuam nrog kev hloov pauv ntawm atoms. Atoms tsis raug tsim lossis puas tsuaj thaum muaj tshuaj lom neeg.
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