【Daily Question】Theoretical Foundation 2019.7.4
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Multiple-choice question: Regarding the triple point, which of the following statements is correct? (A) Both pure substances and multi-component systems have a triple point. (B) The triple point is the intersection of three two-phase equilibrium lines. (C) The temperature at the triple point can change with pressure. (D) The triple point is a phase point determined by the temperature and pressure at which the three phases of a pure substance coexist in equilibrium. Answer: D Hint: The answer can be seen in the response
(D) The triple point is the phase point determined by the temperature and pressure at which three phases of a pure substance coexist in equilibrium