版权所有：华东理工大学物理化学教研室 11 The system has three constituents but only two components (C = 2). The number of components: C = 2 At the equilibrium 3 ↔ CaO(s) (s)CaCO + 2 (g)CO Phase 1 Phase 2 Phase 3 Cst 1 Cst 2 Cst 3 Answer: Example版权所有：华东理工大学物理化学教研室 11 The system has three constituents but only two components (C = 2). The number of components: C = 2 At the equilibrium 3 ↔ CaO(s) (s)CaCO + 2 (g)CO Phase 1 Phase 2 Phase 3 Cst 1 Cst 2 Cst 3 Answer: Example