A negative value for the standard molar entropy, S°, of a chemical substance indicates that the substance is unstable and may decompose or detonate if mishandled.

Question

Quizplus · Accepted Answer

A negative value for standard molar entropy, S°, is not possible because entropy is a measure of disorder, and absolute entropy values are always positive. Stability and reactivity are not directly related to entropy values.

A Negative Value for the Standard Molar Entropy, S°, of a Chemical