

Avogadrov zakon i pojam mola
Presentation
•
Mathematics, Science, Chemistry
•
1st Grade
•
Hard
Veronika Župan
FREE Resource
6 Slides • 0 Questions
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Avogadrov zakon i pojam mola
by Veronika Župan
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Avogadrov zakon
jednaki volumeni različitih plinova na istim tlakovima i temperaturama imaju isti broj molekula
Avogadrova konstanta
NA=6,0221 x 1023 mol-1
3
mol
broj molekula tvari
označavamo ga sa Z
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Molarna jednadžba stanja
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Zadatci:
1. Koliki je volumen 1 kmola nekog plina na temperaturi od 2I0 °C i tlaku od 1,5 bar?
2. Ako u posudi volumena 2 m3 nalazi vodik pod tlakom od 10 bara i temperature 10 °C, koliko se kilograma i kilomola vodika nalazi u posudi?
3. Kolika je temperatura zraka u posudi u kojoj se nalazi 0,625 kmola zraka pod predtlakom od 20 bara, ako je volumen posude 1,5 m3, a barometarski tlak 1,03 bara?
4. U čeličnoj posudi volumena 6 m3 nalazi se kisik pod tlakom od 2 bara i temperature 30 °C. Koliko se kilograma, kilomola i normnihh kubnih metara nalazi u posudi?
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Avogadrov zakon i pojam mola
by Veronika Župan
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