A. Change in energy over time
B. Change in concentration of reactants or products over time
C. Change in volume over time
D. Change in temperature over time
Answer: Change in concentration of reactants or products over time
Which of the following best describes the rate of a chemical reaction?
Additional Information: The rate of a chemical reaction is defined by how quickly the concentrations of reactants or products change over time.
Subjects: Chemical Kinetics, Chemistry