Answer the following about Josiah Williard Gibbs, for 10 points each:
[10e] Gibbs wrote the textbook Elementary Principles in this subject that arose from thermodynamics. This subject applies probability theory to analyze large collections of microscopic entities.
ANSWER: statistical mechanics [or stat mech]
[10m] Gibbs formulated this statement, which states that over a long period of time, all available microstates are equally likely to be accessed.
ANSWER: ergodic hypothesis
[10h] Gibbs also names a statistical ensemble that allows for mechanical work but not chemical work, unlike the grand canonical ensemble. Name all three variables held constant in the Gibbs ensemble.
ANSWER: N, P, and T [or NPT; or number of particles, pressure, and temperature]
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