The concept of ensemble was introduced by____________?
Correct answer: B. Gibbs
- A. Boltzmann
- B. Gibbs
- C. Carnot
- D. Mexwell
Explanation
The ensemble concept in statistical thermodynamics was introduced by J. Willard Gibbs. An ensemble is a large imagined collection of similarly prepared systems used to calculate average microscopic properties. Students may choose Boltzmann because he developed statistical mechanics, but Gibbs specifically introduced the ensemble method.
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About System, Surroundings and State Functions
A system is the part of the universe under study, while everything outside it is the surroundings; the boundary separates them. State functions such as pressure, temperature, volume, internal energy and enthalpy depend only on the state, unlike heat and work, which depend on the path taken.
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