Components A and B have melting temperatures of 1,000 K and 900 K respectively. Regular solutions form with AHm equal to (20,000/T)XaXb and (200,000/T)XaXb J/mol in the liquid and solid states respectively. The enthalpies of fusion are 6000 J/mol and 5200 J/mol for A and B respectively. (a) Will a minimum occur in the solidus and liquidus? (b) If so, calculate the temperature and composition of the minimum.
Components A and B have melting temperatures of 1,000 K and 900 K respectively. Regular solutions form with AHm equal to (20,000/T)XaXb and (200,000/T)XaXb J/mol in the liquid and solid states respectively. The enthalpies of fusion are 6000 J/mol and 5200 J/mol for A and B respectively. (a) Will a minimum occur in the solidus and liquidus? (b) If so, calculate the temperature and composition of the minimum.
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Transcribed Image Text:Components A and B have melting temperatures
of 1,000 K and 900 K respectively. Regular
solutions form with AHm equal to (20,000/T)XaXb
and (200,000/T)XaXb J/mol in the liquid and solid
states respectively. The enthalpies of fusion are
6000 J/mol and 5200 J/mol for A and B
respectively.
(a) Will a minimum occur in the solidus and
liquidus?
(b) If so, calculate the temperature and
composition of the minimum.
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