pritisak id. gasa Flashcards

(5 cards)

1
Q

pritisak (oznaka, jedinica, merni instrument)

A

p
Pa(N/m²)
barometar i manometar

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2
Q

šta je pritisak (posledica…)

A

pritisak je posledica elastičnih sudara molekula gasa sa zidovima suda u kojem se gas nalazi

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3
Q

formula za pritisak

A

p=Fn/s
Fn-normalna komp. sile
s-površina

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4
Q

F=

A

F=ma
F=∆p/∆t
p(tj. m×υ)

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5
Q

osnovna j-na kinetičke teorije gasova

A

_
p=2×no×Ek/3
no-koncentracija molekula gasa
_
Ek-srednja kinezička energ. translatirnog kretanja molekula

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