Question

Which system has a higher entropy?

   Which system has a higher entropy?

Chemistry: The Molecular Nature of Matter

Chemistry: The Molecular Nature of Matter

Neil D. Jespersen,… 7th Edition

Chapter 18, Problem 70

Instant Answer

Solved by Expert David Collins

08/24/2021

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Entropy is a measure of the disorder or randomness in a system. In thermodynamics, it is often associated with the number of ways a system can be arranged. Show more…

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Which system has a higher entropy?

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Key Concepts

Entropy

Entropy is a thermodynamic quantity that measures the degree of disorder or randomness in a system. It quantifies the number of microscopic configurations that correspond to a system's macroscopic state. In essence, higher entropy indicates a state with a larger number of possible arrangements of particles, leading to a greater level of disorder.

Second Law of Thermodynamics

The Second Law of Thermodynamics states that for an isolated system, the total entropy can never decrease over time; it either increases or remains constant in equilibrium. This principle explains the natural tendency of systems to progress towards thermodynamic equilibrium, where entropy is maximized.

Microstates and Macrostates

Microstates refer to the specific detailed arrangements of particles within a system, whereas a macrostate is defined by macroscopic properties like temperature and pressure. The entropy of a system is related to the number of microstates that correspond to a given macrostate—more microstates mean higher entropy, making it a key tool in comparing different systems.

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