The rate of a chemical reaction may be expressed as

Question

Quizplus · Accepted Answer

The rate of a chemical reaction can be expressed in multiple ways: as the instantaneous rate at a specific moment after the reaction has started (A), as the average change in concentration of a reactant or product over a certain time period (B), and as the instantaneous rate at the very beginning of the reaction, when time equals 0 (C). Therefore, all these descriptions are valid ways to express the rate of a chemical reaction.

The Rate of a Chemical Reaction May Be Expressed as