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Specific heat capacity of liquid form of permanent gases.

  1. Sep 11, 2014 #1

    The permanent gases like Nitrogen, Helium etc. have more specific heat capacity as liquid than their gases. Seemingly degree of freedom should reduce in liquid form, and therefore, specific heat capacity must reduce in liquid form. But this isn't the case.

    I remember reading somewhere that in liquid form some energy is stored as potential energy due to the vibrations of the molecules and therefore more specific heat capacity in liquid form.

    Question - Why isn't this the case with liquid hydrogen? I looked up at the NIST site and every other permanent gas has more specific heat capacity than their gaseous form, but Hydrogen.

  2. jcsd
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