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IXklasis

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14<br />

1.4 airis moluri moculoba<br />

daikavebs Tu ara tol moculobas erTnair fizikur pirobebSi<br />

sxvadasxva airis:<br />

a) aTi molekula; b) milioni molekula; g) 6 . 10 23 molekula?<br />

SesaZlebelia Tu ara davaskvnaT, rom erTi moli sxvadasxva<br />

airis moculoba tolia? daasabuTeT Tqveni varaudi.<br />

axla varaudi gaangariSebiT SeamowmeT.<br />

iangariSeT erTi moli Semdegi airebis moculoba:<br />

a) N b) He g) O d) H .<br />

2<br />

2 2<br />

Tu cnobilia, rom:<br />

ρ(N )=1,25 g/l ρ(He)=0,1784 g/l<br />

2<br />

ρ(O )=1,429 g/l ρ(H )=0,08988 g/l.<br />

2 2<br />

emTxveva Tqven mier miRebuli pasuxebi erT maneTs?<br />

gveTanxmebiT Tu ara, rom TiTo moli wyalbadis, Jangbadis, azotis<br />

da heliumis mier dakavebuli moculobebi erTmaneTis tolia?<br />

yvela airis erTi moli, erTsa da imave pirobebSi, ikavebs erTsa<br />

da imave moculobas.<br />

eqsperimentulad dadginda, rom nebismieri airis erTi moli, norma lur<br />

fizikur pirobebSi ikavebs daax loebiT 22,4 l mocu lobas. maSasadame,<br />

V(erTi moli airis)=22,4 l.<br />

vinaidan, airadi niv Ti ere bis moculoba damo k idebulia wnevasa<br />

da te mperaturaze, moluri mo culoba mniSvnelovnad da moki debulia<br />

im fizikur pirobebze, ro melSic is izomeba. airis sim kvrive<br />

gazomilia no rmalur fizikur pi robebSi _ 101,3 kpa wne vasa da<br />

0 0 C-ze. amitom moluri moculobac 22,4 l-is to lia normalur<br />

fizikur pirobebSi.<br />

normaluri fizikuri pirobebi ase aRiniSneba _ n.p.<br />

radgan erTi moli airis mo cu lobaze vsaubrobT, SesaZle belia davweroT:<br />

V M =22,4 l/moli.<br />

V M -iT airadi nivTierebis moluri moculoba aRiniSneba.<br />

dagveTanxmebiT, gaangariSebi saTvis xSi rad ufro mosaxerxe belia ara<br />

niv Tierebis moculo biT an masiT, aramed misi raodenobiT sargebloba.<br />

rogor viangariSoT magaliTad, ramdeni molia 112 l Jangbadi? Zalian<br />

advilad _ Jangbadis es moculoba unda gavyoT molur moculobaze.

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