A. The change in concentration of reactants over time
B. The speed at which products are formed
C. The speed at which reactants are consumed
D. All of the above
Answer: All of the above
A. The change in concentration of reactants over time
B. The speed at which products are formed
C. The speed at which reactants are consumed
D. All of the above
Answer: All of the above
Additional Information: The rate of reaction can be expressed as the change in concentration of reactants or products over time.
Subjects: Chemical Kinetics, Chemistry