Question: may you please help me with this homework, thanks a lot Homework Using below given information construct the unary (one component) phase diagram of SiO2.

may you please help me with this homework, thanks a lot

Homework Using below given information construct the unary (one component) phase diagram of SiO2. At 1 atm pressure, when heated, SiO, experiences three polymorphic changes in its crystal structure before it reaches its melting temperature: At room temperature, SiO2 exists in a-quartz form. a-quartz experiences a polymorphic transformation to B-quartz at 573 C. Experiences a second transformation to B-tridymite at 870 C. Experiences a third transformation to B-cristobalite at 1470 C, which finally melts at 1713 C. There are 6 phases in the system: a-quartz, B-quartz, B-tridymite, B-cristobalite, liquid, gas Relative densities of phases are given as follows: Pa quartz > PB quartz > s tridymite > PB-cristobalite Plia > Pgas Equilibrium points in the system are: a-quartz + B-quartz + gas B-quartz + B-tridymite + gas B-tridymite + B-cristobalite + gas B-cristobalite + liquid + gas

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