
Ligevægte I in progress
Authored by Sussss San
Chemistry
9th - 12th Grade

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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Når der er kemisk ligevægt gælder
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad sker der med koncentrationen af reaktanter ved kemisk ligevægt?
Den falder konstant.
Den stiger konstant.
Den forbliver konstant.
Den varierer uregelmæssigt.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvilken faktor påvirker ikke kemisk ligevægt?
Reaktantkoncentration.
Katalysator.
Tryk.
Temperatur.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad beskriver Le Chateliers princip?
Ligevægten flytter sig mod den side med færre molekyler.
Ligevægten kan ændres ved at ændre betingelserne.
Reaktioner kan kun gå én vej.
Katalysatorer ændrer ligevægten.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvilken af følgende faktorer kan ændre ligevægtskonstanten for en kemisk reaktion?
Tryk.
Reaktantkoncentration.
Katalysator.
Temperatur.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvad sker der, når en reaktion når kemisk ligevægt?
Produkter dannes hurtigere end reaktanter.
Reaktanter og produkter dannes i samme hastighed.
Reaktionen stopper helt.
Reaktanterne forsvinder helt.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hvilken af følgende udsagn er korrekt i forhold til kemisk ligevægt?
Reaktionens ligevægt kan påvirkes af ændringer i temperatur.
Alle reaktioner kan nå ligevægt.
En ændring i tryk påvirker kun gasreaktioner.
En katalysator ændrer ligevægtspositionen.
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