PHASE CHANGES 1. Using the phase diagram for compound X on the right, answer the following questions. Liquid B: 285 Solid 187 C 101.3 Vapor 10 35 20 Temperature (°C) Pressure (kPa) Gas 1. What is the temperature at the triple point? 2. What is the critical point? 3. At what labeled point does boiling occur? 4. At what point do solid and liquid phases exist in equilibrium? 5. At what point do gas and liquid phases exist in equilibrium?

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