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Question

In an exothermic reaction, the energy profile diagram shows:

Options

Choose one · Correct answer highlighted

Explanation

Products have lower energy than reactants is the scientifically accurate answer to this question. Within the study of Kinetics and Thermodynamic, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Products have lower energy than reactants directly address what is being asked. Among the other options, Products have higher energy than reactants, Activation energy is zero, and Reaction proceeds at a constant energy level do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.