
Kemijska ravnoteža - ponavljanje 1.m
Authored by Snježana Conar
Chemistry
1st Grade
10 Questions
Used 10+ times

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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dinamička ravnoteža je
stanje u kojem je brzina trošenja reaktanata i brzina nastajanja produkata jednaka.
stanje u kojem se ništa ne događa.
stanje u kojem se povećava brzina stvaranja reaktanata.
stanje u kojem se smanjuje brzina stvaranja produkata.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reakcija koja napreduje u oba smjera naziva se
ireverzibilna reakcija.
reverzibilna reakcija.
nepovratna reakcija.
reakcija analize.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Položaj ravnoteže određen je
konstantom ravnoteže.
tlakom reakcije.
koncentracijom.
brzinom ravnoteže.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ako je vrijednost konstante ravnoteže velika onda
reakcija napreduje do kraja.
reakcija ne napreduje do kraja.
se ne događa ništa.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Za reakciju prikazanu na slici odredi konstantu ravnoteže
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Katalizator utječe na pomak kemijske ravnoteže.
Točno.
Netočno.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
____________________ glasi: Ako se sustavu u ravnoteži promjene uvjeti u kojima je uspostavljena ravnoteža (temperatura, tlak ili koncentracija), ravnoteža se pomiče uvijek tako da se smanji vanjski utjecaj i uspostave prethodni uvjeti.
Zakon o očuvanju mase
Le Chatelierovo načelo
Markovnikovljevo pravilo
Lavoisierov zakon
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