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  1. predaylight

    Graduate De Broglie wavelength and ideal gas entropy derivation

    When the ideal gas entropy is derived, we consider N atoms in a box of volume=Lx*Ly*Lz. Then, we make the assumption that Lx,Ly,Lz >>de Broglie wavelength of atoms. I am not sure why we need to make this assumption? Thanks!
    • predaylight
    • Thread
    • De broglie De broglie wavelength Derivation Entropy Gas Ideal gas Wavelength
    • Replies: 1
    • Forum: Thermodynamics