According to the Phase Diagram Given, Which of the Following

question 7

Multiple Choice

According to the phase diagram given, which of the following statements is INCORRECT?

• A) At the temperature and pressure of point 2, substance Z exists as a three-phase equilibrium system.
• B) At the temperature and pressure of point 3, substance Z exists as a one-phase gaseous system.
• C) If the Z(s) = Z(l) = Z(g) system is maintained at the temperature of point 2 while pressure is decreased, more Z will vaporize.
• D) If liquid Z is maintained at the pressure of point 4 while the temperature is decreased to 30°C, the liquid will vaporize.
• E) The existence of liquid Z at -50°C and 2 atm represents the metastable condition of "supercooling."

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