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
The correct answer is: A
Explanation
Equilibrium is a state of a system where there is no observable change in the properties of the system with respect to time