reaction rates and equilibrium 10.5- equilibrium constant Kc Flashcards
(4 cards)
1
Q
what is the equilibrium constant?
A
the actual position of equilibrium. Its magnitude indicates whether there are more reactants or products in an equilibrium system.
2
Q
What is the equilibrium law? aA+bB=cC+dD
A
Kc= [C]^c[D]^d / [A]^a [B]^b
or
[products]/ [reactants]
brackets means concentration of.
3
Q
What does the value of Kc tell us?
A
-indicates the position of equilibrium that is halfway between reactants and products.
-value >1 indicates a position of equilibrium that is towards the products.
-value <1 indicates a position of equilibrium towards the reactants.
4
Q
what is Kc measured in?
A
mol dm-3
