Question

20 (6) (a) What are the Raoult's law and the Henry's law? What are the assumptions of them, respectively? (b) Consider the dilute solid solution of A in B. Prove that if the solute A obeys Henry's law, then the solvent B obeys Raoult's law. (c) If Ni and Fe strongly attract each other in the Ni-Fe solution, is it positively or negatively deviated? Does it absorb or release heat when mixing? Why? (d) Please plot a schematic activity ($a_B$) vs. composition ($X_B$) curve for the Ni-Fe binary solution. Please indicate the valid range of composition for each law.

          20 (6) (a) What are the Raoult's law and the Henry's law? What are the assumptions of
them, respectively? (b) Consider the dilute solid solution of A in B. Prove that if the
solute A obeys Henry's law, then the solvent B obeys Raoult's law. (c) If Ni and Fe
strongly attract each other in the Ni-Fe solution, is it positively or negatively deviated?
Does it absorb or release heat when mixing? Why? (d) Please plot a schematic activity
($a_B$) vs. composition ($X_B$) curve for the Ni-Fe binary solution. Please indicate the valid
range of composition for each law.

20 (6) (a) What are the Raoult's law and the Henry's law? What are the assumptions of
them, respectively? (b) Consider the dilute solid solution of A in B. Prove that if the
solute A obeys Henry's law, then the solvent B obeys Raoult's law. (c) If Ni and Fe
strongly attract each other in the Ni-Fe solution, is it positively or negatively deviated?
Does it absorb or release heat when mixing? Why? (d) Please plot a schematic activity
(aB) vs. composition (XB) curve for the Ni-Fe binary solution. Please indicate the valid
range of composition for each law.

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