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Grand canonical ensemble

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In statistical mechanics, a grand canonical ensemble (also known as the macrocanonical ensemble) is the statistical ensemble that is used to represent the possible states of a mechanical system of particles that are in thermodynamic equilibrium (thermal and chemical) with a reservoir. The system is said to be open in the sense that the system can exchange energy and particles with a reservoir, so that various possible states of the system can differ in both their total energy and total number of particles. The system's volume, shape, and other external coordinates are kept the same in all possible states of the system.

Grand canonical ensemble - Wikipedia Jump to content From Wikipedia, the free encyclopedia Statistical ensemble of particles in thermodynamic equilibrium Statistical mechanics Thermodynamics Kinetic theory Particle statistics Spin–statistics theorem Indistinguishable particles Maxwell–Boltzmann Bose–Einstein Fermi–Dirac Parastatistics Anyonic statistics Braid statistics Thermodynamic ensembles NVE Microcanonical NVT Canonical µVT Grand canonical NPH Isoenthalpic–isobaric NPT Isothermal–isobaric Models Debye Einstein Ising Potts Potentials Internal energy Enthalpy Helmholtz free energy Gibbs fr

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