Equilibria Flashcards
1
Q
2 conditions for dynamic equilibrium
A
constant concentrations of reactants and products
forwards rate = backwards rate
2
Q
Le Chatelier’s principle
A
a reaction at equilibrium will shift to oppose a change in its conditions
3
Q
what happens to an equilibrium when temp. is increased
A
shifts to oppose increase in temp. by decreasing temp.
shifts towards endothermic direction
4
Q
what happens to an equilibrium when pressure is raised
A
shifts to oppose increase in pressure by decreasing it
shits towards the side of least gaseous moles
5
Q
Kc equation
A
[products]moles in eq
[reactants]moles in eq
gaseous moles only
6
Q
what does Kc value show
A
how far towards completion the reaction is
the equilibrium position is further right when Kc is larger
7
Q
what effects Kc value
A
only temperature
