3. Based on the data (composition, temperature) of the precipitation of the first crystal, construct a state diagram for a conditional system of substances.
2) Determine the qualitative and quantitative composition of the eutectic mixture.
3) Draw schematically all types of cooling curves possible in the given system. Indicate which compositions in the diagram these curves correspond to.
4) Calculate the number of degrees of freedom for the system given by the figurative point coordinate.
5) "Arrows" show the processes of cooling the system until complete solidification. All processes occurring in this case are described in detail.

variant system of substances coordinates of a configurable point temperature of the system, С0 wt.% w-va K system temperature, С0 wt.% w-va K
3K


C T=1270 C

wt.% (K)=60% 1210 0 810 25
1110 6.2 960 42
1020 8.4 1080 58
930 12.4 1155 72.5
790 16.1 1225 85
730 16.9 1270 100

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