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    whats the difference between an ideal gas at absolute zero and a non ideal one?

    thanks
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    This is a total guess, but is it to do with volume? Would an ideal gas have zero volume at absolute zero, although absolute zero is a theoretical thing anyway.
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    Yeah - that's it: ideal gases would have no volume because an ideal gas obeys the ideal gas law, which arranges to V=nRT/P - if T were 0, V would have to be 0 too. Real gases have interactions between their molecules which prevent this.
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    Not exactly volume you should think about an ideal gas with respect to pressure. An ideal gas at absolute zero would not exert any pressure on its container (therefore it wudnt have a volume)
 
 
 
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