Practice question

ΔH is negative is the scientifically accurate answer to this question. Within the study of Thermodynamics, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of ΔH is negative directly address what is being asked. Among the other options, They absorb heat, They have high activation energy, and They are never spontaneous 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.