WAEC - Chemistry (2022 - No. 24)
Which of the following statements about an equilibrium system is correct?
Forward and backward reactions occur
at the same rate
The concentrations of reactants must
equal that of the products
The concentrations of, reactants and products can be changed by adding a catalyst,
The concentrations of reactants and
products are not affected by a change in temperature
Wyjaśnienie
Equilibrium is a state of a system where there is no observable change in the properties of the system with respect to time