• Question: how cold is liquid nitrogen?

    Asked by dolphindiver to Philip on 27 Jun 2012. This question was also asked by thomo99.
    • Photo: Philip Glasson

      Philip Glasson answered on 27 Jun 2012:

      Liquid Nitrogen 77 degrees Kelvin = -196 degrees C
      Liquid helium 4 degrees Kelvin = -269 degrees C
      absolute zero 0 degrees Kelvin = -273 degrees C

      and you can go no lower because that’s as low as it goes…
      Absolute Zero !!

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