Trivial question – the lowest azeotrope temperature
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I’ve almost forgotten the basic concepts, so could everyone please explain why the lowest constant boiling point occurs when the deviation of a positive-deviation solution is large? Why does the highest constant boiling point occur when the deviation of a negative-deviation solution is large? Don’t boiling points appear when the deviation is not that large? What size counts as large?
Please help me understand this. It’s a basic theoretical issue, but I don’t know how to deal with it now; maybe I didn’t know either back then.