reversible reactions & dynamic equilibrium

what is a reversible reaction

a reaction which can go both forwards and backwards

during a reversible reaction, what happens as the reaction progresses and the reactants react

1. the concentrations of reactants fall

2. the forward reaction slows down

3. the concentration of products rise

4. the backwards reaction speeds up

when is a system ‘at equilibrium’

when the rate of the forward reaction is equal to the rate of the backward reaction

what is a dynamic equilibrium

where both the forward and backward reactions are happening, but there is no overall affect, because they are at the same rate.

what condition is required for a reaction to reach equilibrium

the reaction must take place in a closed system

what does it mean if the position of equilibrium lies to the right

the concentration of products is greater than the concentration of the reactants

what does it mean if the position of equilibrium lies to the left

the concentration of the reactants is greater than the concentration of the products

does equilibrium mean the concentration of products and reactants are equal

no

what 3 factors alter the position of equilibrium

1. temperature

2. pressure

3. concentration