plyny Flashcards

1
Q

co je idealni plyn

A

zjednoduseny model k popisu vhovani plynu

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2
Q

jake jsou predpoklady idealniho plynu

A
  1. je dokonale stlacitelny
  2. srazky molekul jsou dokonale pruzne
  3. krome vzajemnych srazek na sebe molekuly nepusobi
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3
Q

jakym pohybem se pohybuje prevazna cast molekul

A

rovnomernym primocarym

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4
Q

jak velka je potencialni energie castic

A

nulova (vnitri energie je tvorena jen pohybovou)

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5
Q

jak velka je potencialni energie castic

A

nulova (vnitri energie je tvorena jen pohybovou)

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6
Q

pri jakych podminkach se skutecne plyny blizi vlastnostem idealniho plynu?

A

pri velmi vysokych teplotach a velmi nizkem tlaku

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7
Q

jake jsou hodnoty normalni teploty a normalniho tlaku

A

pn=1013,25 hPa = 10 napatou Pa
tn=0 stupnu C

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8
Q

jak se znaci stredni kvadraticka rychlost

A

vk

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9
Q

co charakterizuje vk

A

cely soubor molekul

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10
Q

jak se pocita vk

A

viz fotky

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11
Q

rychlost pohybu molekul se s rostouci teplotou……. ->………..

A

zvetsuje->zvetsuje se i stredni Ek

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