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Homework Help: Point of Clarification about Phase Changes

  1. Oct 17, 2004 #1
    When a problem states that 3 combined substances are at thermal equilibrium at atmospheric temperature, and then we add in another substance; how do we determine the temperature of thermal equilibrium? Do I even need it?
  2. jcsd
  3. Oct 17, 2004 #2
    Well if the 4th substance is at the same temperature as the other 3 then the 4 substance mixture is already at thermal equilibrium. I guess I would need to know more about the problem to give you a better answer.
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