Phase Rule
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phase rule & phase diagram
Phase Equilibria. Olivine and Clinopyroxene (Augite) follow Bowen’s Reaction Series, Discontinuous Side. Olivine appears first, then decreases as pyroxenes.
Phase diagram Need to represent how mineral reactions at equilibrium vary with P and T.
Gibbs Phase Rule The number of variables which are required to describe the state of a system: p+f=c+2 f=c-p+2 –Where p=# of phases, c= # of components,
Chapt. 8 Phase diagrams In this chapter we describe a systematic way of discussing the physical changes mixtures undergo when they are heated or cooled.
1 CHEM 212 Chapter 6 PHASE EQUILIBRIA Dr. A. Al-Saadi.
Phase diagram
