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Unformatted text preview: The difficult part can be finding the values for the coefficients once we reach pressure regimes that are not reachable in the Lab, as then we have to rely on theory alone. If we combine all the information we have about the behaviour of hydrogen under pressure and then use theory to try to extrapolate to great pressures we can predict what will happen as a body grows by accumulating more and more Hydrogen: This calculation is very complex and difficult so for this diagram we have had to make some simplifying assumptions. Thus this is for a body at 0K, and it is a spherical, nonrotating body composed of pure hydrogen. Bodies at nonzero temperature would be larger and so the curve would move to the right....
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 Fall '10
 EmilyHoward
 Astronomy, Thermodynamics, Critical Point, Fundamental physics concepts, van der, der Waals equation

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