Vim li cas qhov kev tshawb xav phlogiston tau txais?
Vim li cas qhov kev tshawb xav phlogiston tau txais?

Video: Vim li cas qhov kev tshawb xav phlogiston tau txais?

Video: Vim li cas qhov kev tshawb xav phlogiston tau txais?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
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Cov phlogiston txoj kev xav yog ib qho tshuaj hypothesis uas tau txhawb nqa nyob rau hauv lub xyoo pua 18th. Raws li qhov no kev xav , tag nrho cov khoom siv hluav taws xob muaj cov khoom hu ua phlogiston thiab, thaum ib yam khoom raug hlawv, nws phlogiston raug tso tawm thiab cov tshauv seem yog tuav los ua nws daim ntawv tseeb.

Ua raws li qhov no, vim li cas qhov kev xav ntawm phlogiston tsis lees paub?

Nws yog Antoine Lavoisier uas disproved lub Phlogiston txoj kev xav . Nws tau hloov lub npe hu ua "dephlogisticated air" oxygen thaum nws paub tias cov pa oxygen yog ib feem ntawm cov huab cua uas ua ke nrog cov khoom thaum lawv hlawv. Vim Lavoisier txoj hauj lwm, Lavoisier tam sim no hu ua "Leej Txiv ntawm Niaj Hnub Nyoog Chemistry".

Qhov thib ob, phlogiston txoj kev xav piav qhia txog kev sib xyaw li cas? Kev xav . Phlogiston txoj kev xav hais tias phlogisticated tshuaj yog cov khoom uas muaj phlogiston thiab dephlogisticate thaum hlawv. Yog li phlogiston suav rau combustion ntawm tus txheej txheem uas yog rov qab rau cov pa oxygen kev xav.

Ib sab saum toj no, qhov teeb meem nrog phlogiston txoj kev xav yog dab tsi?

Qhov loj tawm tsam rau lub kev xav , tias cov tshauv ntawm cov organic hnyav dua li qub thaum lub calx hnyav dua cov hlau, tsis tshua muaj txiaj ntsig rau Stahl, uas xav txog. phlogiston raws li ib tug immaterial "txoj cai" es tsis yog ib yam khoom tiag.

Puas yog phlogiston txoj kev xav muaj tseeb?

' Cov kws tshawb fawb zoo siv cov laj thawj los piav qhia qhov tshwm sim thiab txhim kho kev xav Txawm li cas los xij, lawv cov kev xav, kev sib cav, thiab cov lus xaus, tsis tas yuav tsum muaj yog lawm . Cov phlogiston txoj kev xav , piv txwv li, tau txais ntau tshaj 100 xyoo.

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