A reaction that can work in both directions
i.e. reactants can form products and those
products can then react to form the
reactants again
EXAMPLE 1 -
THERMAL
DECOMPOSITION
OF AMMONIUM
CHLORIDE
The concentrations of the
reactants and products in a
reversible reaction remain constant
if the system is closed. Thowever,
the reactions are contiuining
continuously in both directions.
The point of equilibrium=Proportion of
components in the equilibrium mixture.
Factors that affect it
Temperature
Pressure
only applies to
gases
<pressure = shifted
equilibrium position to
direction producing
fewer moles of gas
There are two main
characteristics of a
reaction that has
reached dynamic
equilibrium:
1. The forward and
reverse reactions occur
at the same rate.
2.. The concentrations
of reactants and
products remain
constant.
A reversible reaction will reach
dynamic equilibrium in a sealed
container (a closed system)