Bismuth and cadmium form a simple eutectic mixture that behaves like that in model 3. Bismuth...

Bismuth and cadmium form a simple eutectic mixture that behaves like that in model 3. Bismuth melts at 271°C and 1 bar, whereas cadmium melts at 321°C and 1 bar. The enthalpy of fusion of bismuth is 11.30 kJ/mol, and that of cadmium is 6.19 kJ/mol. A eutectic point is observed at 55.5 mol% cadmium.

Calculate the melting temperature of the eutectic mixture. Assume ideal behavior.  
Roughly sketch the phase diagram at 1 bar, labeling the points described above for reference.  
Sketch a cooling curve that passes through the eutectic point.

Expert Solution

Amanda K answered 5 months ago

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