Gases yog compressible vim tias feem ntau ntawm cov roj ntim tau tsim los ntawm ntau qhov chaw khoob ntawm cov pa. Nyob rau hauv chav tsev kub thiab tus qauv siab, qhov nruab nrab qhov deb ntawm cov roj molecules yog li kaum npaug ntawm txoj kab uas hla ntawm cov molecules lawv tus kheej.
Dab tsi yog compressibility rau roj?
Lub hauv paus tsis muaj txheej txheem hu ua "compressibility" (cim "Z") uas yog fundamentally ib qho kev ntsuas ntawm cov roj uas txawv txav los ntawm kev coj noj coj ua zoo tagnrho Huab cua ze heev ib tug zoo tagnrho gas qhov twg Z=1.0. methane thiab CO 2 nthuav tawm qhov tsis sib xws (thiab feem ntau tsis tseem ceeb) cov lus teb rau kev siv quab yuam.
Yuav ua kua compressed?
Zoo li cov roj, cov kua muaj peev xwm ntws tau thiab ua kom zoo li lub thawv. Feem ntau cov kua tiv thaiv compression, txawm tias lwm tus tuaj yeem compressed. Tsis zoo li cov pa roj, cov kua tsis tawg mus puv txhua qhov chaw ntawm lub thawv, thiab tuav qhov ntom ntom ntom ntom.
Puas roj yuav tsum tau compressed infinitely?
2 yam ncaj nraim tawm ntawm kuv lub taub hau, qhov dub "txoj kev xav" compress teeb meem rau hauv qhov chaw ntawm xoom ntim kom koj tuaj yeem hais tias compressibility yog infinite hauv qhov system. Qhov zoo tshaj plaws gases kuj yuav infinitely compressible vim lawv hais tsis muaj ntim. Txawm hais tias tsis muaj roj zoo hauv lub neej tiag tiag.
Vim li cas koj thiaj tuaj yeem tso cov pa tiag tiag tsis muaj sijhawm?
Tsis muaj qhov chaw nruab nrab ntawm tus kheej cov khoom, yog li lawv tsis tuaj yeem ntim ua ke. Txoj kev tshawb xav kinetic-molecular piav qhia vim li cas cov pa roj carbon monoxide compressible ntau dua li cov kua lossis cov khoom khib nyiab. Gases yog compressible vim feem ntau ntawm cov ntim ntawm cov pa yog tsim los ntawm cov khoom loj ntawm qhov chaw khoob ntawm cov pa roj
