Q. The phase diagram for the A-B system shows retrograde solubility in the α solution portion of the diagram. Both α and
Posted: Wed May 04, 2022 3:26 pm
Q. The phase diagram for the A-B system shows retrograde
solubility in the α solution portion of the diagram. Both α and
liquid behave as regular solutions with ΔHB equal
to 3250 J/mol in the liquid. The heat of fusion of B is 6000 J/mol,
and the melting points of A and B are 1000 K and 1200 K,
respectively.
a) Calculate the minimum possible value of
ΔHαB in α.
α a a + liquid id è Liquid he a + B X₁ B + liquid B
solubility in the α solution portion of the diagram. Both α and
liquid behave as regular solutions with ΔHB equal
to 3250 J/mol in the liquid. The heat of fusion of B is 6000 J/mol,
and the melting points of A and B are 1000 K and 1200 K,
respectively.
a) Calculate the minimum possible value of
ΔHαB in α.
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