ES.4 Flashcards
Dynamic equilibrium and the equilibrium constant Kc
Apart from its use to extract bromine, what can chlorine also be used to make?
Bleach.
What is meant by the term equilibrium?
The state of balance where nothing changes.
What is chemical equilibrium also known as?
Dynamic equilibrium.
Why is a reaction described as dynamic equilibrium?
Although nothing seems to happen on the macroscopic scale, on the microscopic level molecules are constantly changing between the phases of a reversible reaction.
What it the full definition of dynamic equilibrium in three statements?
- Concentrations of reactants and products stay constant.
- Forward and backward reactions are both happening.
- The rate of the forward and backward reactions are equal to each other.
What is Kc?
The equilibrium constant.
How do you calculate Kc?
[Products] / [Reactants].
ps: [ ] means concentration of.
Kc of a reaction is always the same for what condition?
The temperature is constant.
What does it mean if Kc is greater than one?
It means that there is more products than reactants at equilibrium.
What does it mean if Kc is smaller than one?
It means that there is more reactants than products at equilibrium.
